Discussion:
[Lensfun-users] rectification of crop factor error for Pentax K-01 and KP bodies
Julien Moreau
2017-05-28 08:43:50 UTC
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Hello,

I did wrong in my previous message in March and gave information based on an antic version of lensfun, where crop factors where rounded to 1.5.
I did a check with current git master version (2017-05-28), and reported three errors in the file slr-pentax.xml.
I am unable to commit changes, so, here are the rectifications :

- crop factor of Pentax K-01 body, line 342 :
<cropfactor>1.522</cropfactor>

- crop factor of Pentax KP body, line 350 :
<cropfactor>1.534</cropfactor>

- crop factor used for HD Pentax-DA 18-50mm f/4-5.6 DC WR RE lens calibration (with K-01 body), line 1620 :
<cropfactor>1.522</cropfactor>


Tschuss
--
Julien Moreau
Graeme Leese
2017-05-30 20:31:20 UTC
Permalink
Hi,

I'm reluctant to change information that Torsten has put into the database
without knowing where those original numbers came from. The changes
certainly look correct to me based on what I can find on Google though, and
I've created a pull request. If Torsten's OK with the changes then I'll
merge it.

Thanks,
Graeme
Post by Julien Moreau
Hello,
I did wrong in my previous message in March and gave information based on
an antic version of lensfun, where crop factors where rounded to 1.5.
I did a check with current git master version (2017-05-28), and reported
three errors in the file slr-pentax.xml.
<cropfactor>1.522</cropfactor>
<cropfactor>1.534</cropfactor>
- crop factor used for HD Pentax-DA 18-50mm f/4-5.6 DC WR RE lens
<cropfactor>1.522</cropfactor>
Tschuss
--
Julien Moreau
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