On Sat, 8 Apr 2017 at 11:50 Kelvie Wong <kel...@kelvie.ca> wrote:
> I'm still investigating if TCA correcions are baked in even if they are
> turned off in-camera; a preliminary test shows a difference of only about
> +/- 0.0001, not sure that's significant or not (see attached diff;
> generated using tca_correct with raws with CA correction on auto, to CA
> correction off).
>
Forgot to attach the diff, here it is for the SEL2470GM.
- tca_correct values with CA compensation set to Auto
+ tca_correct values with CA compensation set to Off
--
--
Kelvie Wong
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diff --git a/data/db/mil-sony.xml b/data/db/mil-sony.xml
index 75fce80..abd2a5b 100644
--- a/data/db/mil-sony.xml
+++ b/data/db/mil-sony.xml
@@ -1280,22 +1280,21 @@
<distortion model="ptlens" focal="62" a="0" b="0.012975" c="0" />
<distortion model="ptlens" focal="67" a="0" b="0.012876" c="0" />
<distortion model="ptlens" focal="70" a="0" b="0.010834" c="0" />
- <tca model="poly3" focal="24" br="0.0000280" vr="1.0001157" bb="-0.0000026" vb="1.0003012" />
- <tca model="poly3" focal="26" br="0.0000069" vr="1.0001074" bb="-0.0000156" vb="1.0003653" />
- <tca model="poly3" focal="28" br="0.0000113" vr="1.0000653" bb="-0.0000023" vb="1.0003397" />
- <tca model="poly3" focal="29" br="0.0000182" vr="1.0000558" bb="-0.0000031" vb="1.0003795" />
- <tca model="poly3" focal="30" br="0.0000104" vr="1.0000409" bb="-0.0000050" vb="1.0003255" />
- <tca model="poly3" focal="31" br="0.0000128" vr="1.0000290" bb="-0.0000188" vb="1.0003442" />
- <tca model="poly3" focal="35" br="0.0000092" vr="1.0000006" bb="-0.0000063" vb="1.0002595" />
- <tca model="poly3" focal="39" br="0.0000115" vr="0.9999638" bb="-0.0000682" vb="1.0003224" />
- <tca model="poly3" focal="42" br="0.0000160" vr="0.9999415" bb="-0.0000977" vb="1.0003133" />
- <tca model="poly3" focal="45" br="0.0000141" vr="0.9999263" bb="-0.0000857" vb="1.0002602" />
- <tca model="poly3" focal="49" br="0.0000155" vr="0.9999006" bb="-0.0000853" vb="1.0002136" />
- <tca model="poly3" focal="54" br="0.0000131" vr="0.9998833" bb="-0.0000542" vb="1.0001306" />
- <tca model="poly3" focal="58" br="0.0000031" vr="0.9998812" bb="-0.0000567" vb="1.0001052" />
- <tca model="poly3" focal="62" br="0.0000059" vr="0.9998707" bb="-0.0000384" vb="1.0000548" />
- <tca model="poly3" focal="67" br="0.0000213" vr="0.9998648" bb="-0.0000461" vb="1.0000560" />
- <tca model="poly3" focal="70" br="0.0000299" vr="0.9997865" bb="-0.0000614" vb="1.0000734" />
+ <tca model="poly3" focal="24" br="0.0000359" vr="1.0001023" bb="-0.0000971" vb="1.0003258" />
+ <tca model="poly3" focal="29" br="0.0000278" vr="1.0000249" bb="-0.0000869" vb="1.0003035" />
+ <tca model="poly3" focal="32" br="0.0000189" vr="1.0000174" bb="-0.0000811" vb="1.0002650" />
+ <tca model="poly3" focal="36" br="0.0000181" vr="1.0000004" bb="-0.0000459" vb="1.0001693" />
+ <tca model="poly3" focal="40" br="0.0000072" vr="0.9999998" bb="-0.0000207" vb="1.0000946" />
+ <tca model="poly3" focal="42" br="0.0000158" vr="0.9999750" bb="-0.0000285" vb="1.0001036" />
+ <tca model="poly3" focal="45" br="0.0000135" vr="0.9999604" bb="-0.0000354" vb="1.0000957" />
+ <tca model="poly3" focal="47" br="0.0000101" vr="0.9999516" bb="-0.0000541" vb="1.0001266" />
+ <tca model="poly3" focal="51" br="0.0000200" vr="0.9999218" bb="-0.0000671" vb="1.0001343" />
+ <tca model="poly3" focal="53" br="0.0000243" vr="0.9999052" bb="-0.0000660" vb="1.0001204" />
+ <tca model="poly3" focal="58" br="0.0000179" vr="0.9999062" bb="-0.0000707" vb="1.0001000" />
+ <tca model="poly3" focal="62" br="0.0000206" vr="0.9998910" bb="-0.0000835" vb="1.0000828" />
+ <tca model="poly3" focal="65" br="0.0000112" vr="0.9998957" bb="-0.0000781" vb="1.0000575" />
+ <tca model="poly3" focal="69" br="0.0000115" vr="0.9998785" bb="-0.0000865" vb="1.0000386" />
+ <tca model="poly3" focal="70" br="0.0000125" vr="0.9998788" bb="-0.0000640" vb="1.0000042" />
</calibration>
</lens>
