<lensdatabase>

    <mount>
        <name>canonG3</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonG2</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonG1</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonG7</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonG9</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonG10</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonG11</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonG12</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonSD500</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonA510</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonPro90</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonIxusI</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonIxusII</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonIxus400</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonS1</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonS2</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonS5</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonA610</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonA70</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonS70</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonS30</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonPro1</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonPro70</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonSD200</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonA80</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonSX1</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonS90</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonD2000C</name>
        <compat>Generic</compat>
    </mount>

    <mount>
        <name>canonA650IS</name>
        <compat>Generic</compat>
    </mount>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot Pro1</model>
        <model lang="en">PowerShot Pro1</model>
        <mount>canonPro1</mount>
        <cropfactor>3.933</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot Pro70</model>
        <model lang="en">PowerShot Pro70</model>
        <mount>canonPro70</mount>
        <cropfactor>5.47</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot G6</model>
        <model lang="en">PowerShot G6</model>
        <mount>canonG3</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot G5</model>
        <model lang="en">PowerShot G5</model>
        <mount>canonG3</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot G3</model>
        <model lang="en">PowerShot G3</model>
        <mount>canonG3</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot G2</model>
        <model lang="en">PowerShot G2</model>
        <mount>canonG2</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot G1</model>
        <model lang="en">PowerShot G1</model>
        <mount>canonG1</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot G7</model>
        <model lang="en">PowerShot G7</model>
        <mount>canonG7</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot G9</model>
        <model lang="en">PowerShot G9</model>
        <mount>canonG9</mount>
        <cropfactor>4.605</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot G10</model>
        <model lang="en">PowerShot G10</model>
        <mount>canonG10</mount>
        <cropfactor>4.605</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot G11</model>
        <model lang="en">PowerShot G11</model>
        <mount>canonG11</mount>
        <cropfactor>4.605</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot G12</model>
        <model lang="en">PowerShot G12</model>
        <mount>canonG12</mount>
        <cropfactor>4.63</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot SD550</model>
        <model lang="en">PowerShot SD550</model>
        <mount>canonSD500</mount>
        <cropfactor>4.8</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon DIGITAL IXUS 750</model>
        <model lang="en">IXUS 750</model>
        <mount>canonSD500</mount>
        <cropfactor>4.8</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>IXY Digital 700</model>
        <mount>canonSD500</mount>
        <cropfactor>4.8</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot SD500</model>
        <model lang="en">PowerShot SD500</model>
        <mount>canonSD500</mount>
        <cropfactor>4.8</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon DIGITAL IXUS 700</model>
        <model lang="en">IXUS 700</model>
        <mount>canonSD500</mount>
        <cropfactor>4.8</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>IXY Digital 600</model>
        <mount>canonSD500</mount>
        <cropfactor>4.8</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot SD450</model>
        <model lang="en">PowerShot SD450</model>
        <mount>canonSD200</mount>
        <cropfactor>6.05</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon DIGITAL IXUS 55</model>
        <model lang="en">IXUS 55</model>
        <mount>canonSD200</mount>
        <cropfactor>6.05</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot SD400</model>
        <model lang="en">PowerShot SD400</model>
        <mount>canonSD200</mount>
        <cropfactor>6.05</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon IXY DIGITAL 55</model>
        <model lang="en">IXY 55</model>
        <mount>canonSD200</mount>
        <cropfactor>6.05</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon DIGITAL IXUS 50</model>
        <model lang="en">IXUS 50</model>
        <mount>canonSD200</mount>
        <cropfactor>6.05</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot SD300</model>
        <model lang="en">PowerShot SD300</model>
        <mount>canonSD200</mount>
        <cropfactor>6.05</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon IXY DIGITAL 50</model>
        <model lang="en">IXY 50</model>
        <mount>canonSD200</mount>
        <cropfactor>6.05</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon DIGITAL IXUS 40</model>
        <model lang="en">IXUS 40</model>
        <mount>canonSD200</mount>
        <cropfactor>6.05</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot SD200</model>
        <model lang="en">PowerShot SD200</model>
        <mount>canonSD200</mount>
        <cropfactor>6.05</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon IXY DIGITAL 40</model>
        <model lang="en">IXY 40</model>
        <mount>canonSD200</mount>
        <cropfactor>6.05</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon DIGITAL IXUS 30</model>
        <model lang="en">IXUS 30</model>
        <mount>canonSD200</mount>
        <cropfactor>6.05</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot S200</model>
        <model lang="en">PowerShot S200</model>
        <mount>canonIxusII</mount>
        <cropfactor>6.5</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon DIGITAL IXUS v2</model>
        <model lang="en">IXUS v2</model>
        <mount>canonIxusII</mount>
        <cropfactor>6.5</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon IXY DIGITAL 200a</model>
        <model lang="en">IXY 200a</model>
        <mount>canonIxusII</mount>
        <cropfactor>6.5</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot SD110</model>
        <model lang="en">PowerShot SD110</model>
        <mount>canonIxusII</mount>
        <cropfactor>6.5</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon DIGITAL IXUS II</model>
        <model lang="en">IXUS II</model>
        <mount>canonIxusII</mount>
        <cropfactor>6.5</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon IXY DIGITAL 30</model>
        <model lang="en">IXY 30</model>
        <mount>canonIxusII</mount>
        <cropfactor>6.5</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot SD100</model>
        <model lang="en">PowerShot SD100</model>
        <mount>canonIxusII</mount>
        <cropfactor>6.5</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon DIGITAL IXUS i</model>
        <model lang="en">IXUS i</model>
        <mount>canonIxusI</mount>
        <cropfactor>6.144</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot SD10</model>
        <model lang="en">PowerShot SD10</model>
        <mount>canonIxusI</mount>
        <cropfactor>6.144</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot S500</model>
        <model lang="en">PowerShot S500</model>
        <mount>canonIxus400</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon DIGITAL IXUS 500</model>
        <model lang="en">IXUS 500</model>
        <mount>canonIxus400</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon IXY DIGITAL 500</model>
        <model lang="en">IXY 500</model>
        <mount>canonIxus400</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot S410</model>
        <model lang="en">PowerShot S410</model>
        <mount>canonIxus400</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon DIGITAL IXUS 430</model>
        <model lang="en">IXUS 430</model>
        <mount>canonIxus400</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon IXY DIGITAL 450</model>
        <model lang="en">IXY 450</model>
        <mount>canonIxus400</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot S400</model>
        <model lang="en">PowerShot S400</model>
        <mount>canonIxus400</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon DIGITAL IXUS 400</model>
        <model lang="en">IXUS 400</model>
        <mount>canonIxus400</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon IXY DIGITAL 400</model>
        <model lang="en">IXY 400</model>
        <mount>canonIxus400</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot S80</model>
        <model lang="en">PowerShot S80</model>
        <mount>canonS70</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot S70</model>
        <model lang="en">PowerShot S70</model>
        <mount>canonS70</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot S60</model>
        <model lang="en">PowerShot S60</model>
        <mount>canonS70</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot S50</model>
        <model lang="en">PowerShot S50</model>
        <mount>canonS30</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot S45</model>
        <model lang="en">PowerShot S45</model>
        <mount>canonS30</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot S40</model>
        <model lang="en">PowerShot S40</model>
        <mount>canonS30</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot S30</model>
        <model lang="en">PowerShot S30</model>
        <mount>canonS30</mount>
        <cropfactor>4.843</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot A620</model>
        <model lang="en">PowerShot A620</model>
        <mount>canonA610</mount>
        <cropfactor>4.8</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot A610</model>
        <model lang="en">PowerShot A610</model>
        <mount>canonA610</mount>
        <cropfactor>4.8</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot A520</model>
        <model lang="en">PowerShot A520</model>
        <mount>canonA510</mount>
        <cropfactor>6.05</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot A510</model>
        <model lang="en">PowerShot A510</model>
        <mount>canonA510</mount>
        <cropfactor>6.05</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot A95</model>
        <model lang="en">PowerShot A95</model>
        <mount>canonA80</mount>
        <cropfactor>4.85</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot A80</model>
        <model lang="en">PowerShot A80</model>
        <mount>canonA80</mount>
        <cropfactor>4.85</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot A85</model>
        <model lang="en">PowerShot A85</model>
        <mount>canonA70</mount>
        <cropfactor>6.500</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot A75</model>
        <model lang="en">PowerShot A75</model>
        <mount>canonA70</mount>
        <cropfactor>6.500</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot A70</model>
        <model lang="en">PowerShot A70</model>
        <mount>canonA70</mount>
        <cropfactor>6.500</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot A60</model>
        <model lang="en">PowerShot A60</model>
        <mount>canonA70</mount>
        <cropfactor>6.500</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot A40</model>
        <model lang="en">PowerShot A40</model>
        <mount>canonA70</mount>
        <cropfactor>6.500</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot A30</model>
        <model lang="en">PowerShot A30</model>
        <mount>canonA70</mount>
        <cropfactor>6.500</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot A20</model>
        <model lang="en">PowerShot A20</model>
        <mount>canonA70</mount>
        <cropfactor>6.500</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot A10</model>
        <model lang="en">PowerShot A10</model>
        <mount>canonA70</mount>
        <cropfactor>6.500</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot S2 IS</model>
        <model lang="en">PowerShot S2 IS</model>
        <mount>canonS2</mount>
        <cropfactor>6.0</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot S1 IS</model>
        <model lang="en">PowerShot S1 IS</model>
        <mount>canonS1</mount>
        <cropfactor>6.56</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot S5 IS</model>
        <model lang="en">PowerShot S5 IS</model>
        <mount>canonS5</mount>
        <cropfactor>6.0</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot Pro90 IS</model>
        <model lang="en">PowerShot Pro90 IS</model>
        <mount>canonPro90</mount>
        <cropfactor>5.28</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon DIGITAL IXUS 80 IS</model>
        <model lang="en">Canon DIGITAL IXUS 80 IS</model>
        <mount>canonIxus80IS</mount>
        <cropfactor>6.1</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot SX1 IS</model>
        <model lang="en">Canon PowerShot SX1 IS</model>
        <mount>canonSX1</mount>
        <cropfactor>5.5</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot S90</model>
        <model lang="en">Canon PowerShot S90</model>
        <mount>canonS90</mount>
        <cropfactor>4.6</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>EOS D2000C</model>
        <model lang="en">Canon EOS D2000C</model>
        <mount>canonD2000C</mount>
        <cropfactor>1.6</cropfactor>
    </camera>

    <camera>
        <maker>Canon</maker>
        <model>Canon PowerShot A650 IS</model>
        <model lang="en">PowerShot A650 IS</model>
        <mount>canonA650IS</mount>
        <cropfactor>4.67712</cropfactor>
    </camera>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonPro1</mount>
        <cropfactor>3.933</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="7.188" a="0.01839" b="-0.04535" c="0" />
            <distortion model="ptlens" focal="8.875" a="0.016286" b="-0.032262" c="0" />
            <distortion model="ptlens" focal="10.125" a="0.005988" b="-0.010532" c="0" />
            <distortion model="ptlens" focal="11.5" a="0" b="0" c="0" />
            <distortion model="ptlens" focal="50.813" a="0" b="0" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonG3</mount>
        <cropfactor>4.843</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="7.188" a="0.013088" b="-0.036387" c="0" />
            <distortion model="ptlens" focal="8" a="0.013092" b="-0.031149" c="0" />
            <distortion model="ptlens" focal="9.094" a="0.009637" b="-0.019881" c="0" />
            <distortion model="ptlens" focal="10.188" a="0.00983" b="-0.017385" c="0" />
            <distortion model="ptlens" focal="11.188" a="0.005089" b="-0.006514" c="0" />
            <distortion model="ptlens" focal="14.406" a="0.001788" b="0.00205" c="0" />
            <distortion model="ptlens" focal="17.594" a="0.001189" b="0.002614" c="0" />
            <distortion model="ptlens" focal="20.688" a="0.000468" b="0.003817" c="0" />
            <distortion model="ptlens" focal="23" a="0.000298" b="0.00272" c="0" />
            <distortion model="ptlens" focal="25.094" a="0.00274" b="-0.002048" c="0" />
            <distortion model="ptlens" focal="28.813" a="-8.6e-05" b="0.005193" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>WC-DC58N</model>
        <mount>canonG3</mount>
        <cropfactor>4.843</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="7.19" a="0.016762" b="-0.065439" c="0" />
            <distortion model="ptlens" focal="8" a="0.015048" b="-0.055117" c="0" />
            <distortion model="ptlens" focal="9.09" a="0.013772" b="-0.045475" c="0" />
            <distortion model="ptlens" focal="10.2" a="0.008903" b="-0.030862" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonG2</mount>
        <cropfactor>4.843</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="7" a="0.01966" b="-0.051543" c="0" />
            <distortion model="ptlens" focal="7.5" a="0.01713" b="-0.044177" c="0" />
            <distortion model="ptlens" focal="8.313" a="0.013359" b="-0.032611" c="0" />
            <distortion model="ptlens" focal="9.313" a="0.00832" b="-0.020187" c="0" />
            <distortion model="ptlens" focal="10.688" a="0.006918" b="-0.015168" c="0" />
            <distortion model="ptlens" focal="12.5" a="0.002267" b="-0.005193" c="0" />
            <distortion model="ptlens" focal="14.594" a="0.003567" b="-0.007044" c="0" />
            <distortion model="ptlens" focal="16.813" a="0.000696" b="-0.001567" c="0" />
            <distortion model="ptlens" focal="18.813" a="0.000325" b="-0.000456" c="0" />
            <distortion model="ptlens" focal="20.313" a="0.0023" b="-0.003959" c="0" />
            <distortion model="ptlens" focal="21" a="0.001324" b="-0.0012" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Geobartic 0.5x Converter</model>
        <mount>canonG2</mount>
        <cropfactor>4.843</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="7" a="0" b="-0.030599" c="-0.037374" />
            <distortion model="ptlens" focal="7.5" a="0" b="-0.023359" c="-0.040861" />
            <distortion model="ptlens" focal="8.313" a="0" b="-0.016976" c="-0.035516" />
            <distortion model="ptlens" focal="10.688" a="0" b="-0.009919" c="-0.016346" />
            <distortion model="ptlens" focal="12.5" a="0" b="-0.002436" c="-0.026822" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonG1</mount>
        <cropfactor>4.843</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="7" a="0.013759" b="-0.037638" c="0" />
            <distortion model="ptlens" focal="9.344" a="0.006407" b="-0.013665" c="0" />
            <distortion model="ptlens" focal="10.75" a="0" b="0.004427" c="-0.008376" />
            <distortion model="ptlens" focal="12.5" a="0" b="0.001899" c="0" />
            <distortion model="ptlens" focal="18.781" a="0" b="0.003174" c="0" />
            <distortion model="ptlens" focal="21" a="0" b="0.003938" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonG12</mount>
        <cropfactor>4.63</cropfactor>
        <calibration>
            <distortion model="poly5" focal="6.1" k1="-0.030571633" k2="0.004658548" />
            <distortion model="poly5" focal="8.108" k1="-0.015375784" k2="0.001669650" />
            <distortion model="poly5" focal="12.074" k1="-0.010041248" k2="-0.001118356" />
            <distortion model="poly5" focal="18.098" k1="-0.002054377" k2="0.000011075" />
            <distortion model="poly5" focal="30.5" k1="-0.000323237" k2="-0.000346917" />
            <tca model="poly3" focal="6.1" br="-0.0002616" vr="1.0007448" bb="-0.0000455" vb="1.0003314" />
            <tca model="poly3" focal="10.8" br="-0.0000003" vr="1.0004612" bb="0.0000253" vb="1.0001464" />
            <tca model="poly3" focal="30.5" br="0.0000326" vr="0.9996400" bb="-0.0003242" vb="1.0008367" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonSD500</mount>
        <cropfactor>4.8</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="7.7" a="0.006629" b="-0.024613" c="0" />
            <distortion model="ptlens" focal="9.028" a="0.00359" b="-0.017262" c="0" />
            <distortion model="ptlens" focal="10.487" a="0" b="-0.008536" c="0" />
            <distortion model="ptlens" focal="12.523" a="0" b="-0.006646" c="0" />
            <distortion model="ptlens" focal="15.599" a="0" b="-0.003511" c="0" />
            <distortion model="ptlens" focal="18.776" a="0" b="-0.001002" c="0" />
            <distortion model="ptlens" focal="23.1" a="0" b="0.000834" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonSD200</mount>
        <cropfactor>6.05</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="5.8" a="0.009753" b="-0.025366" c="0" />
            <distortion model="ptlens" focal="7.109" a="0" b="-0.008832" c="0" />
            <distortion model="ptlens" focal="8.462" a="0" b="-0.007422" c="0" />
            <distortion model="ptlens" focal="10.093" a="0" b="-0.006845" c="0" />
            <distortion model="ptlens" focal="14.421" a="0" b="0" c="0" />
            <distortion model="ptlens" focal="17.4" a="0" b="0.001424" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonIxusII</mount>
        <cropfactor>6.5</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="5.406" a="0" b="-0.009326" c="0" />
            <distortion model="ptlens" focal="6.719" a="0" b="-0.005177" c="0" />
            <distortion model="ptlens" focal="7.938" a="0" b="-0.005364" c="0" />
            <distortion model="ptlens" focal="9.188" a="0" b="-0.004363" c="0" />
            <distortion model="ptlens" focal="10.813" a="0" b="-0.003325" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonIxusI</mount>
        <cropfactor>4.843</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="6.406" a="0" b="-0.007998" c="-0.009906" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonIxus400</mount>
        <cropfactor>4.843</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="7.406" a="0.009324" b="-0.03174" c="0" />
            <distortion model="ptlens" focal="9.094" a="0.00233" b="-0.016863" c="0" />
            <distortion model="ptlens" focal="10.813" a="0.001054" b="-0.01068" c="0" />
            <distortion model="ptlens" focal="12.875" a="-0.000662" b="-0.005582" c="0" />
            <distortion model="ptlens" focal="15.438" a="-0.001583" b="-0.001308" c="0" />
            <distortion model="ptlens" focal="18.344" a="-0.001857" b="-3.2e-05" c="0" />
            <distortion model="ptlens" focal="22.219" a="0.00044" b="-0.003014" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Tiffen MegaPlus 0.56 Converter</model>
        <mount>canonIxus400</mount>
        <cropfactor>4.843</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="7.406" a="0.020376" b="-0.071126" c="0" />
            <distortion model="ptlens" focal="9.094" a="0.007209" b="-0.039397" c="0" />
            <distortion model="ptlens" focal="10.813" a="0.011956" b="-0.043268" c="0" />
            <distortion model="ptlens" focal="12.875" a="0.004586" b="-0.023343" c="0" />
            <distortion model="ptlens" focal="15.438" a="-0.000285" b="-0.006557" c="0" />
            <distortion model="ptlens" focal="18.344" a="-0.002035" b="-0.002635" c="0" />
            <distortion model="ptlens" focal="22.219" a="0.005671" b="-0.017739" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonS70</mount>
        <cropfactor>4.843</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="5.813" a="0.018497" b="-0.049501" c="0" />
            <distortion model="ptlens" focal="7.281" a="0.009117" b="-0.029053" c="0" />
            <distortion model="ptlens" focal="8.563" a="0.002901" b="-0.013311" c="0" />
            <distortion model="ptlens" focal="9.906" a="0.001689" b="-0.008652" c="0" />
            <distortion model="ptlens" focal="11.406" a="0" b="-0.00346" c="0" />
            <distortion model="ptlens" focal="13.156" a="0" b="-0.001674" c="0" />
            <distortion model="ptlens" focal="15.156" a="0" b="-0.001123" c="0" />
            <distortion model="ptlens" focal="17.469" a="0" b="0" c="0" />
            <distortion model="ptlens" focal="20.688" a="0" b="0.000898" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Canon TC-DC 10 2x Converter</model>
        <mount>canonS70</mount>
        <cropfactor>4.843</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="13.156" a="0" b="0.002149" c="0" />
            <distortion model="ptlens" focal="15.156" a="0" b="0.0023" c="0" />
            <distortion model="ptlens" focal="17.469" a="0" b="0.002178" c="0" />
            <distortion model="ptlens" focal="20.688" a="0" b="0.002601" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonS30</mount>
        <cropfactor>4.843</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="7.094" a="0.007715" b="-0.026731" c="0" />
            <distortion model="ptlens" focal="8.625" a="0.002869" b="-0.017441" c="0" />
            <distortion model="ptlens" focal="10.313" a="-0.002159" b="-0.005133" c="0" />
            <distortion model="ptlens" focal="12.281" a="-0.000263" b="-0.008304" c="0" />
            <distortion model="ptlens" focal="14.719" a="-0.000643" b="-0.004951" c="0" />
            <distortion model="ptlens" focal="17.5" a="-0.000855" b="-0.00274" c="0" />
            <distortion model="ptlens" focal="21.313" a="-0.001024" b="-0.001516" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonA610</mount>
        <cropfactor>4.8</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="7.3" a="0.013142" b="-0.038236" c="0" />
            <distortion model="ptlens" focal="9.565" a="0.011837" b="-0.029698" c="0" />
            <distortion model="ptlens" focal="12.565" a="0.003459" b="-0.005793" c="0" />
            <distortion model="ptlens" focal="14.926" a="0" b="0" c="0" />
            <distortion model="ptlens" focal="17.342" a="0" b="0.001577" c="0" />
            <distortion model="ptlens" focal="21.709" a="0" b="0.001875" c="0" />
            <distortion model="ptlens" focal="29.2" a="0" b="0.004818" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonA510</mount>
        <cropfactor>6.05</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="5.813" a="0.008099" b="-0.03097" c="0" />
            <distortion model="ptlens" focal="7.813" a="0" b="-0.010876" c="0" />
            <distortion model="ptlens" focal="9.813" a="0" b="-0.007821" c="0" />
            <distortion model="ptlens" focal="11.813" a="0" b="-0.006082" c="0" />
            <distortion model="ptlens" focal="13.813" a="0" b="-0.00366" c="0" />
            <distortion model="ptlens" focal="16" a="0" b="-0.001945" c="0" />
            <distortion model="ptlens" focal="18.688" a="0" b="0" c="0" />
            <distortion model="ptlens" focal="23.188" a="0" b="0.001312" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonA80</mount>
        <cropfactor>4.85</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="7.813" a="0.004902" b="-0.021392" c="0" />
            <distortion model="ptlens" focal="9.625" a="0" b="-0.011" c="0" />
            <distortion model="ptlens" focal="11.438" a="0" b="-0.008375" c="0" />
            <distortion model="ptlens" focal="16.219" a="0" b="-0.004156" c="0" />
            <distortion model="ptlens" focal="19.25" a="0" b="-0.002078" c="0" />
            <distortion model="ptlens" focal="23.406" a="0" b="-0" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Tiffen .56x converter</model>
        <mount>canonA80</mount>
        <cropfactor>4.85</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="7.813" a="0.025867" b="-0.072267" c="0" />
            <distortion model="ptlens" focal="9.625" a="0.012406" b="-0.044804" c="0" />
            <distortion model="ptlens" focal="11.438" a="0.005944" b="-0.029328" c="0" />
            <distortion model="ptlens" focal="13.594" a="0.005648" b="-0.024829" c="0" />
            <distortion model="ptlens" focal="16.219" a="0" b="-0.010682" c="0" />
            <distortion model="ptlens" focal="19.25" a="0" b="-0.006784" c="0" />
            <distortion model="ptlens" focal="23.406" a="0" b="-0.004297" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Tiffen 2x converter</model>
        <mount>canonA80</mount>
        <cropfactor>4.85</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="11.438" a="0" b="0.010621" c="0" />
            <distortion model="ptlens" focal="13.594" a="0" b="0.002913" c="0" />
            <distortion model="ptlens" focal="16.219" a="0" b="0.000742" c="0" />
            <distortion model="ptlens" focal="19.25" a="0" b="0.001395" c="0" />
            <distortion model="ptlens" focal="23.406" a="0" b="0.001399" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonA70</mount>
        <cropfactor>6.500</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="5.406" a="0.007133" b="-0.026098" c="0" />
            <distortion model="ptlens" focal="6.594" a="0.002986" b="-0.017472" c="0" />
            <distortion model="ptlens" focal="7.844" a="0" b="-0.009721" c="0" />
            <distortion model="ptlens" focal="9.406" a="0" b="-0.00769" c="0" />
            <distortion model="ptlens" focal="11.313" a="0" b="-0.005908" c="0" />
            <distortion model="ptlens" focal="13.438" a="0" b="-0.003555" c="0" />
            <distortion model="ptlens" focal="16.219" a="0" b="-0.003735" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonS2</mount>
        <cropfactor>6.0</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="6" a="0.019347" b="-0.049194" c="0" />
            <distortion model="ptlens" focal="6.7" a="0.014225" b="-0.033434" c="0" />
            <distortion model="ptlens" focal="7.2" a="0.012654" b="-0.028234" c="0" />
            <distortion model="ptlens" focal="7.6" a="0.011063" b="-0.022491" c="0" />
            <distortion model="ptlens" focal="9" a="0.007561" b="-0.012771" c="0" />
            <distortion model="ptlens" focal="11.6" a="0" b="0.004476" c="0" />
            <distortion model="ptlens" focal="46.3" a="0" b="0" c="0" />
            <distortion model="ptlens" focal="72" a="0" b="0" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>TC-DC58B</model>
        <mount>canonS2</mount>
        <cropfactor>6.0</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="16.4" a="0" b="0.01755" c="0" />
            <distortion model="ptlens" focal="20.7" a="0" b="0.01163" c="0" />
            <distortion model="ptlens" focal="26.8" a="0" b="0.008009" c="0" />
            <distortion model="ptlens" focal="34.3" a="0" b="0.005827" c="0" />
            <distortion model="ptlens" focal="40.3" a="0" b="0.003938" c="0" />
            <distortion model="ptlens" focal="51.8" a="0" b="0.003021" c="0" />
            <distortion model="ptlens" focal="64.7" a="0" b="0.003778" c="0" />
            <distortion model="ptlens" focal="72" a="0" b="0.003404" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonS1</mount>
        <cropfactor>6.56</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="5.8" a="0.020538" b="-0.050896" c="0" />
            <distortion model="ptlens" focal="7.334" a="0.012341" b="-0.02551" c="0" />
            <distortion model="ptlens" focal="10.492" a="0.018784" b="-0.035873" c="0" />
            <distortion model="ptlens" focal="12.5" a="0" b="0.003562" c="0" />
            <distortion model="ptlens" focal="58" a="0" b="0.003236" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonPro90</mount>
        <cropfactor>5.28</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="7" a="0.014317" b="-0.036991" c="0" />
            <distortion model="ptlens" focal="8.7" a="0.007393" b="-0.012077" c="0" />
            <distortion model="ptlens" focal="10" a="0" b="0.007132" c="0" />
            <distortion model="ptlens" focal="12.6" a="0" b="0.00894" c="0" />
            <distortion model="ptlens" focal="14.8" a="0" b="0.006866" c="0" />
            <distortion model="ptlens" focal="18.7" a="0" b="0.004872" c="0" />
            <distortion model="ptlens" focal="22.9" a="0" b="0.003074" c="0" />
            <distortion model="ptlens" focal="50.5" a="0" b="0.000264" c="0" />
            <distortion model="ptlens" focal="70" a="0" b="0" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonS5</mount>
        <cropfactor>6.0</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="6" a="0.019347" b="-0.049194" c="0" />
            <distortion model="ptlens" focal="6.7" a="0.014225" b="-0.033434" c="0" />
            <distortion model="ptlens" focal="7.2" a="0.012654" b="-0.028234" c="0" />
            <distortion model="ptlens" focal="7.6" a="0.011063" b="-0.022491" c="0" />
            <distortion model="ptlens" focal="9" a="0.007561" b="-0.012771" c="0" />
            <distortion model="ptlens" focal="11.6" a="0" b="0.004476" c="0" />
            <distortion model="ptlens" focal="46.3" a="0" b="0" c="0" />
            <distortion model="ptlens" focal="72" a="0" b="0" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>TC-DC58B</model>
        <mount>canonS5</mount>
        <cropfactor>6.0</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="16.4" a="0" b="0.01755" c="0" />
            <distortion model="ptlens" focal="20.7" a="0" b="0.01163" c="0" />
            <distortion model="ptlens" focal="26.8" a="0" b="0.008009" c="0" />
            <distortion model="ptlens" focal="34.3" a="0" b="0.005827" c="0" />
            <distortion model="ptlens" focal="40.3" a="0" b="0.003938" c="0" />
            <distortion model="ptlens" focal="51.8" a="0" b="0.003021" c="0" />
            <distortion model="ptlens" focal="64.7" a="0" b="0.003778" c="0" />
            <distortion model="ptlens" focal="72" a="0" b="0.003404" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonIxus80IS</mount>
        <cropfactor>5.9</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="6.2" a="-0.032" b="0.125" c="-0.188" />
            <distortion model="ptlens" focal="7.2" a="0.047" b="-0.154" c="0.140" />
            <distortion model="ptlens" focal="8.3" a="-0.340" b="1.135" c="-1.264" />
            <distortion model="ptlens" focal="9.7" a="0.025" b="-0.087" c="0.085" />
            <distortion model="ptlens" focal="11.6" a="0.099" b="-0.302" c="0.288" />
            <distortion model="ptlens" focal="18.6" a="0.054" b="-0.169" c="0.179" />
        </calibration>
    </lens>

    <lens>
        <maker>Canon</maker>
        <model>Standard</model>
        <mount>canonA650IS</mount>
        <cropfactor>4.67712</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="7.4" a="0.02" b="-0.06" c="0.021" />
            <distortion model="ptlens" focal="9" a="0.021" b="-0.045" c="0.022" />
            <distortion model="ptlens" focal="10.7" a="-0.013" b="0.036" c="-0.036" />
            <distortion model="ptlens" focal="14.8" a="0.007" b="-0.012" c="0.003" />
            <distortion model="ptlens" focal="18.9" a="-0.002" b="0.02" c="-0.027" />
            <distortion model="ptlens" focal="25" a="-0.004" b="0.013" c="-0.009" />
            <distortion model="ptlens" focal="44.4" a="0.002" b="0.008" c="-0.005" />
        </calibration>
    </lens>

</lensdatabase>
