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/usr/share/lensfun/slr-tamron.xml is in liblensfun-data 0.2.8-3.

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<lensdatabase>

    <lens>
        <maker>Tamron</maker>
	    <model>Tamron SP AF 10-24mm F/3.5-4.5 Di II LD Aspherical IF</model>
	    <mount>Canon EF</mount>
        <mount>Nikon F AF</mount>
        <mount>Pentax KAF</mount>
        <mount>Sony Alpha</mount>
        <cropfactor>1.5</cropfactor>
        <calibration>
            <distortion model="poly3" focal="10" k1="-0.02452" />
            <distortion model="poly3" focal="12" k1="-0.03732" />
            <distortion model="poly3" focal="15" k1="-0.023" />
            <distortion model="poly3" focal="17" k1="-0.01204" />
            <distortion model="poly3" focal="24" k1="-0.00673" />
            <tca model="poly3" focal="10" br="-0.0010404" cr="0.0020275" vr="0.9995749" bb="0.0009303" cb="-0.0018018" vb="1.0010352" />
            <tca model="poly3" focal="12" br="-0.0007314" cr="0.002109" vr="0.9993352" bb="0.0004953" cb="-0.0011687" vb="1.0007539" />
            <tca model="poly3" focal="15" br="-0.0001484" cr="0.000925" vr="0.9997811" bb="0.0001986" cb="-0.0006209" vb="1.0005421" />
            <tca model="poly3" focal="17" br="0.0005667" cr="-0.0006233" vr="1.0004042" bb="0.0000267" cb="-0.000269" vb="1.0004302" />
            <tca model="poly3" focal="18" br="0.0002315" cr="-0.0001694" vr="1.0002462" bb="-0.0000242" cb="-0.0001424" vb="1.000351" />
            <tca model="poly3" focal="24" br="0.00027" cr="-0.0002972" vr="1.0002846" bb="-0.0000645" cb="-0.0000806" vb="1.0003365" />
        </calibration>
    </lens>

    <lens>
        <maker>Tamron</maker>
        <model>Tamron 17-35mm f/2.8-4 Di LD</model>
        <mount>Canon EF</mount>
        <mount>Nikon F AF</mount>
        <mount>Pentax KAF</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="17" a="0.023029" b="-0.056393" c="0" />
            <distortion model="ptlens" focal="18" a="0.021257" b="-0.051504" c="0" />
            <distortion model="ptlens" focal="19" a="0.018234" b="-0.043262" c="0" />
            <distortion model="ptlens" focal="20" a="0.017656" b="-0.040559" c="0" />
            <distortion model="ptlens" focal="21" a="0.015106" b="-0.033986" c="0" />
            <distortion model="ptlens" focal="22" a="0.014043" b="-0.030629" c="0" />
            <distortion model="ptlens" focal="23" a="0.014764" b="-0.030599" c="0" />
            <distortion model="ptlens" focal="24" a="0.012702" b="-0.025685" c="0" />
            <distortion model="ptlens" focal="26" a="0.010132" b="-0.019341" c="0" />
            <distortion model="ptlens" focal="28" a="0.003497" b="-0.003995" c="0" />
            <distortion model="ptlens" focal="30" a="0.002043" b="0" c="0" />
            <distortion model="ptlens" focal="32" a="0.002246" b="0" c="0" />
            <distortion model="ptlens" focal="35" a="0.002673" b="0" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Tamron</maker>
        <model>Tamron 17-50mm f/2.8 XR Di II LD</model>
        <mount>Canon EF</mount>
        <mount>Nikon F AF</mount>
        <mount>Pentax KAF</mount>
        <mount>Sony Alpha</mount>
        <cropfactor>1.5</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="17" a="0.02667" b="-0.07161" c="0.02012" />
            <distortion model="ptlens" focal="24" a="0.02791" b="-0.08057" c="0.07132" />
            <distortion model="ptlens" focal="35" a="-0.01098" b="0.0448" c="-0.04755" />
            <distortion model="ptlens" focal="50" a="-0.00372" b="0.01796" c="-0.01334" />
            <tca model="poly3" focal="17" br="0.0000205" vr="1.0005975" bb="-0.0001325" vb="1.0008428" />
            <tca model="poly3" focal="24" br="-0.0000073" vr="1.0004585" bb="-0.0000382" vb="1.0004269" />
            <tca model="poly3" focal="35" br="-0.0000351" vr="1.0002419" bb="-0.0000228" vb="1.0001575" />
            <tca model="poly3" focal="50" br="-0.0000294" vr="1.0000100" bb="-0.0000149" vb="0.9999915" />
        </calibration>
    </lens>

    <lens>
        <maker>Tamron</maker>
        <model>Tamron 18-200mm f/3.5-6.3 XR Di II LD</model>
        <mount>Canon EF</mount>
        <mount>Nikon F AF</mount>
        <mount>Pentax KAF</mount>
        <mount>Sony Alpha</mount>
        <cropfactor>1.5</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="18" a="0.01364" b="-0.042157" c="0" />
            <distortion model="ptlens" focal="28" a="0.010678" b="-0.016742" c="0" />
            <distortion model="ptlens" focal="35" a="0.009558" b="-0.008863" c="0" />
            <distortion model="ptlens" focal="50" a="0" b="0.011197" c="0" />
            <distortion model="ptlens" focal="72" a="0" b="0.010552" c="0" />
            <distortion model="ptlens" focal="102" a="0" b="0.007166" c="0" />
            <distortion model="ptlens" focal="135" a="0" b="0.007026" c="0" />
            <distortion model="ptlens" focal="150" a="0" b="0.006778" c="0" />
            <distortion model="ptlens" focal="200" a="0" b="0.006016" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Tamron</maker>
        <model>Tamron AF 18-250mm F3.5-6.3 Di II LD Aspherical [IF] MACRO</model>
        <mount>Canon EF</mount>
        <mount>Nikon F AF</mount>
        <mount>Pentax KAF</mount>
        <mount>Sony Alpha</mount>
        <cropfactor>1.5</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="18" a="0.020360" b="-0.059050" c="0" />
            <distortion model="ptlens" focal="20" a="0.020770" b="-0.052400" c="0" />
            <distortion model="ptlens" focal="23" a="0.016230" b="-0.032540" c="0" />
            <distortion model="ptlens" focal="29" a="0.012160" b="-0.015480" c="0" />
            <distortion model="ptlens" focal="35" a="0" b="0.037550" c="-0" />
            <distortion model="ptlens" focal="47" a="0" b="0.033220" c="-0" />
            <distortion model="ptlens" focal="70" a="0" b="0.017510" c="-0.014350" />
            <distortion model="ptlens" focal="100" a="0" b="0.018700" c="-0.018810" />
            <distortion model="ptlens" focal="120" a="0" b="0.018400" c="-0.019970" />
            <distortion model="ptlens" focal="155" a="0" b="0.009580" c="-0.002450" />
            <distortion model="ptlens" focal="200" a="0" b="0.001230" c="0.013960" />
            <distortion model="ptlens" focal="250" a="0" b="-0.000110" c="0.008560" />
            <tca model="poly3" focal="18" br="0.0000455" cr="0.0001324" vr="1.0003247" bb="-0.0002737" cb="0.0006098" vb="1.0000266" />
            <tca model="poly3" focal="23.1" br="-0.0000830" cr="0.0002635" vr="1.0002333" bb="-0.0001797" cb="0.0007033" vb="0.9999820" />
            <tca model="poly3" focal="26.9" br="-0.0003871" cr="0.0008622" vr="0.9999533" bb="-0.0001398" cb="0.0006987" vb="0.9999226" />
            <tca model="poly3" focal="29.4" br="-0.0003218" cr="0.0007089" vr="0.9999775" bb="0.0001630" cb="-0.0000255" vb="1.0003434" />
            <tca model="poly3" focal="35" br="-0.0001337" cr="0.0002671" vr="1.0000620" bb="-0.0000737" cb="0.0004179" vb="1.0001761" />
            <tca model="poly3" focal="55" br="-0.0000006" cr="-0.0000747" vr="1.0000795" bb="-0.0000202" cb="0.0002275" vb="1.0002342" />
            <tca model="poly3" focal="70" br="-0.0000020" cr="-0.0000449" vr="0.9999473" bb="-0.0002686" cb="0.0006367" vb="1.0000025" />
            <tca model="poly3" focal="100" br="0.0000928" cr="-0.0002755" vr="0.9998440" bb="-0.0001632" cb="0.0002535" vb="1.0000525" />
            <tca model="poly3" focal="142.5" br="0.0001761" cr="-0.0004582" vr="0.9996290" bb="-0.0003233" cb="0.0005660" vb="0.9996693" />
            <tca model="poly3" focal="220" br="0.0001387" cr="-0.0004467" vr="0.9993390" bb="0.0000952" cb="-0.0001185" vb="0.9997363" />
            <tca model="poly3" focal="250" br="0.0005417" cr="-0.0013082" vr="0.9997014" bb="-0.0007442" cb="0.0015463" vb="0.9988026" />
        </calibration>
    </lens>

    <lens>
        <maker>Tamron</maker>
        <model>Tamron 19-35mm f/3.5-4.5</model>
        <mount>Canon EF</mount>
        <mount>Nikon F AF</mount>
        <mount>Pentax KAF</mount>
        <cropfactor>1.6</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="19" a="0.013926" b="-0.041094" c="0" />
            <distortion model="ptlens" focal="24" a="0.005657" b="-0.020982" c="0" />
            <distortion model="ptlens" focal="27" a="0.003315" b="-0.014095" c="0" />
            <distortion model="ptlens" focal="35" a="0.004475" b="-0.013489" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Tamron</maker>
        <model>Tamron SP 24-70mm F/2.8 Di VC USD</model>
        <mount>Canon EF</mount>
        <mount>Nikon F AF</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="24" a="0.03519" b="-0.10395" c="0.06092" />
            <distortion model="ptlens" focal="35" a="0.01436" b="-0.0404" c="0.03983" />
            <distortion model="ptlens" focal="50" a="0.01112" b="-0.02223" c="0.02177" />
            <distortion model="ptlens" focal="70" a="0.00625" b="-0.00862" c="0.00987" />
            <tca model="poly3" focal="24" br="-0.0000913" vr="1.0008446" bb="0.0000181" vb="0.9998653" />
            <tca model="poly3" focal="35" br="0.0000457" vr="1.0004519" bb="-0.0000735" vb="0.9998598" />
            <tca model="poly3" focal="50" br="0.0000118" vr="1.0000938" bb="-0.0000862" vb="0.9998401" />
            <tca model="poly3" focal="70" br="-0.0000161" vr="0.9997567" bb="-0.0000354" vb="0.9997991" />
        </calibration>
    </lens>

    <lens>
        <maker>Tamron</maker>
        <model>Tamron 24-135mm f/3.5-5.6 SP AD</model>
        <mount>Canon EF</mount>
        <mount>Nikon F AF</mount>
        <mount>Pentax KAF</mount>
        <cropfactor>1.6</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="24" a="0.004951" b="-0.019509" c="0" />
            <distortion model="ptlens" focal="28" a="0.002141" b="-0.010335" c="0" />
            <distortion model="ptlens" focal="35" a="0.001649" b="-0.003387" c="0" />
            <distortion model="ptlens" focal="41" a="0" b="0.002775" c="0" />
            <distortion model="ptlens" focal="52" a="0" b="0.00443" c="0" />
            <distortion model="ptlens" focal="62" a="0" b="0.004818" c="0" />
            <distortion model="ptlens" focal="74" a="0" b="0.004729" c="0" />
            <distortion model="ptlens" focal="85" a="0" b="0.00486" c="0" />
            <distortion model="ptlens" focal="99" a="0" b="0.005128" c="0" />
            <distortion model="ptlens" focal="135" a="0" b="0.004635" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Tamron</maker>
        <model>Tamron 28-75mm f/2.8 XR Di</model>
        <mount>Canon EF</mount>
        <mount>Nikon F AF</mount>
        <mount>Pentax KAF</mount>
        <mount>Sony Alpha</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="28" a="0.01469" b="-0.034774" c="0" />
            <distortion model="ptlens" focal="30" a="0.012441" b="-0.026997" c="0" />
            <distortion model="ptlens" focal="35" a="0.009958" b="-0.018577" c="0" />
            <distortion model="ptlens" focal="50" a="0" b="0.005421" c="0" />
            <distortion model="ptlens" focal="60" a="0" b="0.00752" c="0" />
            <distortion model="ptlens" focal="75" a="0" b="0.007321" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Tamron</maker>
        <model>Tamron 28-105mm f/2.8 SP LD IF</model>
        <mount>Canon EF</mount>
        <mount>Nikon F AF</mount>
        <mount>Pentax KAF</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="28" a="0.020983" b="-0.054749" c="0" />
            <distortion model="ptlens" focal="32" a="0.018015" b="-0.042871" c="0" />
            <distortion model="ptlens" focal="35" a="0.01094" b="-0.02352" c="0" />
            <distortion model="ptlens" focal="39" a="0.010993" b="-0.016341" c="0" />
            <distortion model="ptlens" focal="44" a="0.007493" b="-0.007606" c="0" />
            <distortion model="ptlens" focal="63" a="0.002757" b="0.006995" c="0" />
            <distortion model="ptlens" focal="75" a="0" b="0.012653" c="0" />
            <distortion model="ptlens" focal="93" a="0" b="0.011546" c="0" />
            <distortion model="ptlens" focal="105" a="0" b="0.012148" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Tamron</maker>
        <model>Tamron 28-300mm f/3.5-6.3 XR Di LD</model>
        <mount>Canon EF</mount>
        <mount>Nikon F AF</mount>
        <mount>Pentax KAF</mount>
        <mount>Sony Alpha</mount>
        <cropfactor>1.5</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="30" a="-0.00171" b="-0.003088" c="0" />
            <distortion model="ptlens" focal="38" a="0" b="-0.000956" c="0" />
            <distortion model="ptlens" focal="50" a="0" b="0.003328" c="0" />
            <distortion model="ptlens" focal="78" a="0" b="0.005468" c="0" />
            <distortion model="ptlens" focal="100" a="0" b="0.004829" c="0" />
            <distortion model="ptlens" focal="135" a="0" b="0.005605" c="0" />
            <distortion model="ptlens" focal="220" a="0" b="0.006124" c="0" />
            <distortion model="ptlens" focal="300" a="0" b="0.006507" c="0" />
        </calibration>
    </lens>

    <lens>
        <maker>Tamron</maker>
        <model>Tamron 35-70mm F/3.5 CF MACRO</model>
        <mount>Nikon F</mount>
        <mount>Pentax K</mount>
        <cropfactor>1.5</cropfactor>
        <calibration>
            <distortion model="poly3" focal="35" k1="-0.00768" />
            <distortion model="ptlens" focal="40" a="0.0012" b="-0.00676" c="0.00204" />
            <distortion model="ptlens" focal="50" a="-0.00143" b="0.00459" c="-0.00465" />
            <distortion model="poly3" focal="70" k1="0.00233" />
	        <tca model="poly3" focal="35" br="-0.00004" vr="1.00018" bb="0.00007" vb="0.999835" />
	        <tca model="poly3" focal="40" br="-0.00003" vr="1.00011" bb="0.000021" vb="0.999909" />
            <tca model="poly3" focal="50" br="-0.0000088" vr="1.0000432" bb="0.0000117" vb="0.9999312" />
            <tca model="poly3" focal="70" br="-0.0000079" vr="1.0000614" bb="-0.0000911" vb="1.000192" />
            <vignetting model="pa" focal="40" aperture="11" distance="1000" k1="-0.11121" k2="0.08366" k3="-0.10313" />
            <vignetting model="pa" focal="35" aperture="11" distance="1000" k1="-0.07601" k2="0.00922" k3="-0.04755" />
	        <vignetting model="pa" focal="70" aperture="11" distance="1000" k1="-0.25218" k2="0.278" k3="-0.15618" />
            <vignetting model="pa" focal="50" aperture="11" distance="1000" k1="-0.21197" k2="-0.08795" k3="0.07518" />
        </calibration>
    </lens>

    <lens>
        <maker>Tamron</maker>
        <model>Tamron AF70-300mm F/4-5.6 LD MACRO</model>
        <mount>Canon EF</mount>
        <mount>Nikon F AF</mount>
        <mount>Pentax KAF2</mount>
        <mount>Sony Alpha</mount>
        <cropfactor>1.5</cropfactor>
        <calibration>
	        <distortion model="ptlens" focal="70" a="0.00168" b="-0.00649" c="0.0021" />
 	        <distortion model="ptlens" focal="100" a="-0.00287" b="0.01075" c="-0.00716" />
	        <distortion model="ptlens" focal="133" a="0.00404" b="-0.0061" c="0.00845" />
	        <distortion model="ptlens" focal="180" a="0.0" b="0.00388" c="0.0" />
	        <distortion model="ptlens" focal="300" a="0.0" b="0.00442" c="0.0" />
            <tca model="poly3" focal="70" br="-0.0000487" vr="1.0002053" bb="0.0000352" vb="0.9998612" />
            <tca model="poly3" focal="100" br="-0.0000402" vr="1.0000889" bb="0.0000026" vb="0.9998133" />
            <tca model="poly3" focal="133" br="-0.0000210" vr="0.9999776" bb="0.0000067" vb="0.9998469" />
            <tca model="poly3" focal="180" br="-0.0000139" vr="0.9998566" bb="0.0000295" vb="0.999785" />
            <tca model="poly3" focal="300" br="-0.000011" vr="0.9996417" bb="0.000022" vb="0.9998125" />
            <vignetting model="pa" focal="70" aperture="11" distance="1000" k1="-0.05486" k2="0.04427" k3="-0.01908" />
            <vignetting model="pa" focal="100" aperture="11" distance="1000" k1="-0.07719" k2="0.13209" k3="-0.09579" />
            <vignetting model="pa" focal="133" aperture="11" distance="1000" k1="-0.05807" k2="0.07773" k3="-0.05601" />
            <vignetting model="pa" focal="180" aperture="11" distance="1000" k1="-0.03723" k2="0.02431" k3="-0.02236" />
            <vignetting model="pa" focal="300" aperture="11" distance="1000" k1="-0.03866" k2="0.05966" k3="-0.04464" />
        </calibration>
    </lens>

    <lens>
        <maker>Tamron</maker>
        <model>Tamron SP 70-300mm F4-5.6 Di VC USD</model>
        <mount>Canon EF</mount>
        <mount>Nikon F AF</mount>
        <mount>Sony Alpha</mount>
        <cropfactor>1.0</cropfactor>
        <calibration>
            <distortion model="ptlens" focal="70" a="0" b="-0.006" c="0.002" />
            <distortion model="ptlens" focal="85" a="-0.006" b="0.009" c="-0.001" />
            <distortion model="ptlens" focal="100" a="0.018" b="-0.042" c="0.037" />
            <distortion model="ptlens" focal="170" a="-0.008" b="0.022" c="0.017" />
            <distortion model="ptlens" focal="250" a="-0.002" b="0.013" c="-0.004" />
            <distortion model="ptlens" focal="300" a="0.002" b="0.001" c="0.007" />
        </calibration>
    </lens>

    <lens>
        <maker>Tamron</maker>
        <model>Tamron AF 18-270mm f/3.5-6.3 Di II VC PZD</model>
        <mount>Canon EF</mount>
        <mount>Nikon F AF</mount>
        <mount>Sony Alpha</mount>
        <!-- FixMe: Actually cropfactor 1.613 -->
        <cropfactor>1.6</cropfactor>
        <calibration>
            <!-- Taken with Canon EOS 550D -->
            <distortion model="ptlens" focal="18" a="0.01861" b="-0.05313" c="-0.00391" />
            <distortion model="ptlens" focal="25" a="0.01981" b="-0.05231" c="0.03436" />
            <distortion model="ptlens" focal="33" a="0.01589" b="-0.03236" c="0.03109" />
            <distortion model="ptlens" focal="35" a="0.01503" b="-0.02899" c="0.03321" />
            <distortion model="ptlens" focal="46" a="0.00509" b="0.00394" c="0.00394" />
            <distortion model="ptlens" focal="76" a="0.00322" b="0.00008" c="0.01944" />
            <distortion model="ptlens" focal="85" a="0.01472" b="-0.04063" c="0.0667" />
            <distortion model="ptlens" focal="142" a="0.00302" b="0.01586" c="-0.03011" />
            <distortion model="ptlens" focal="270" a="-0.00126" b="0.02251" c="-0.0319" />
        </calibration>
    </lens>

    <lens>
	    <maker>Tamron</maker>
	    <model>TAMRON SP AF 90mm f/2.8 (172E)</model>
	    <focal value="90" />
	    <aperture value="2.8" />
	    <aperture>2.8-32</aperture>
	    <mount>Nikon F AF</mount>
        <mount>Canon EF</mount>
        <mount>Pentax KAF2</mount>
        <mount>Sony Alpha</mount>
	    <cropfactor>1.5</cropfactor>
	    <calibration>
	        <distortion focal="90" model="ptlens" a="-0.00126953" b="0.00404399" c="-0.0027782" />
            <tca model="poly3" focal="90" br="-0.0000152" vr="1.0000471" bb="-0.0000061" vb="0.9998509" />
            <vignetting model="pa" focal="90" aperture="2.8" distance="0.29" k1="0.0414" k2="-0.1677" k3="0.1199" />
            <vignetting model="pa" focal="90" aperture="2.8" distance="0.6" k1="-0.0576" k2="-0.2887" k3="0.2065" />
            <vignetting model="pa" focal="90" aperture="2.8" distance="1.5" k1="-0.2170" k2="-0.0857" k3="0.1121" />
            <vignetting model="pa" focal="90" aperture="2.8" distance="1000" k1="-0.2146" k2="-0.1791" k3="0.1820" />
            <vignetting model="pa" focal="90" aperture="4" distance="0.29" k1="-0.0298" k2="-0.0754" k3="0.0582" />
            <vignetting model="pa" focal="90" aperture="4" distance="0.6" k1="-0.0172" k2="-0.2229" k3="0.1321" />
            <vignetting model="pa" focal="90" aperture="4" distance="1.5" k1="-0.1334" k2="-0.1854" k3="0.1342" />
            <vignetting model="pa" focal="90" aperture="4" distance="1000" k1="-0.1590" k2="-0.2373" k3="0.1870" />
            <vignetting model="pa" focal="90" aperture="5.6" distance="0.29" k1="-0.0117" k2="-0.0517" k3="0.0491" />
            <vignetting model="pa" focal="90" aperture="5.6" distance="0.6" k1="0.0148" k2="-0.1274" k3="0.0910" />
            <vignetting model="pa" focal="90" aperture="5.6" distance="1.5" k1="0.0117" k2="-0.1416" k3="0.0988" />
            <vignetting model="pa" focal="90" aperture="5.6" distance="1000" k1="0.0290" k2="-0.1878" k3="0.1275" />
            <vignetting model="pa" focal="90" aperture="8" distance="0.29" k1="-0.0197" k2="-0.0350" k3="0.0395" />
            <vignetting model="pa" focal="90" aperture="8" distance="0.6" k1="-0.0280" k2="-0.0312" k3="0.0299" />
            <vignetting model="pa" focal="90" aperture="8" distance="1.5" k1="-0.0190" k2="-0.0579" k3="0.0448" />
            <vignetting model="pa" focal="90" aperture="8" distance="1000" k1="-0.0084" k2="-0.0916" k3="0.0666" />
            <vignetting model="pa" focal="90" aperture="32" distance="0.29" k1="-0.0394" k2="0.0075" k3="0.0130" />
            <vignetting model="pa" focal="90" aperture="32" distance="0.6" k1="-0.1223" k2="0.1561" k3="-0.0806" />
            <vignetting model="pa" focal="90" aperture="32" distance="1.5" k1="-0.0777" k2="0.0766" k3="-0.0380" />
            <vignetting model="pa" focal="90" aperture="32" distance="1000" k1="-0.0557" k2="0.0276" k3="-0.0118" />
	        <field_of_view focal="90" fov="15.1702" />
	    </calibration>
    </lens>

</lensdatabase>