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Forum: Digital Processing, Software, and Printing
10-05-2015, 10:31 PM
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It seems that all new Pentax lenses are supported by LR/Camera Raw, even the new full frame 24-70: https://helpx.adobe.com/x-productkb/multi/lens-profile-support.html#Pentax
But what I found is that for HD 20-40/2.8-4 the JPEG profile is not there, in my case only with RAW it works.
Also, there's a bug because even if HD 15/4 is not supported, I cannot even select manually the supported smc 15/4 (which for distorsion/vignetting should have the same behaviour), because Pentax does not appear in the list of selectable brands.
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Forum: Digital Processing, Software, and Printing
10-05-2015, 06:01 AM
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I've just purchased a copy of LR 6 (then updated to ver. 6.1.1). I am newbie with this software, and I've discovered that there some odd behaviours with Pentax lenses.
I can manually choose the Pentax brand and the supported lenses in DNG files shot with smc DA 17-70/4, which appears in the metadata in the Library tab and either in the Development tab for lens correction options.
HD DA 20-40/2.8-4 does not appear in the Library's metadata section, but in Development tab the lens appears and it is supported for distortion/vignetting corrections. But in JPG shots the 20-40 is not available and neither can be manually selected since there's not Pentax brand in the list of lens available for manual selection!
The DNG and JPG shots with other 'HD' lenses I have (15, 70, 55-300) do not show up neither in metadata info in Library, neither it is possible to select them manually in Development tab since you can not select Pentax (it would be possible to select manually at least the older 'smc' versions of the lenses for vignetting and distortion correction).
With older LR version (e.g. 5.7) have you the same behaviour?
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Forum: Pentax SLR Lens Discussion
04-11-2014, 11:55 PM
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It seems too perfect, too "geometric" to me. But it is a matter of taste. Like bokeh. In my opinion there is not a universal good bokeh. For instance, sometimes I like a more "fragmented" bokeh, others prefer the smoothest one.
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Forum: Pentax SLR Lens Discussion
04-05-2014, 03:12 PM
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Thank you for your post. I am also struggling between the SMC and the HD versions. I was thinking to find a used SMC version, but the second set of pictures, at F13, has revealed to me the idea that the HD version starburst is more "natural", although less spectacular. If you see, the starburst rays of SMC at F13 are so long that goes even over the pavement. This is not natural, in my opinion. The starburst of the human eyes (e.g. when you squeeze the eyelids) is nearer to the HD version.
In facts, in the film ages I remember the Cokin filters were popular to create the starburst effect!
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