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06-07-2018, 07:42 AM   #1
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Lens Compatability

This is a suggestion for the administrators. Would it be possible to add a FF or DA tag, to the lens profiles, in lens reviews? It's not always clear, particularly with third party lenses, if they are full frame compatible.
Thank you.

06-07-2018, 09:09 AM - 1 Like   #2
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QuoteOriginally posted by Robin Quote
This is a suggestion for the administrators. Would it be possible to add a FF or DA tag, to the lens profiles, in lens reviews? It's not always clear, particularly with third party lenses, if they are full frame compatible.
Thank you.
This is already supported (and displayed in the spec tables when available). You can quickly filter through full frame only lenses here:

Pentax Lens Search | PentaxForums.com

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06-07-2018, 11:30 AM   #3
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And that're just the offical supported lenses. Some like the DA 35, DA 40, DA 50, DA 70 are FF too.
RiceHigh's Pentax Blog: Compatibility of DA Lenses on Full Frame
06-09-2018, 02:23 AM   #4
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Tanks guys!

06-14-2018, 08:31 PM   #5
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QuoteOriginally posted by angerdan Quote
Some like the DA 35, DA 40, DA 50, DA 70 are FF too.
The DA 40 and DA 70 are not bona fide FF lenses. Some find them usable, in particular in 1:1 crop mode, but they deliver a compromised performance on the full FF frame.

I don't have any problem with people not worrying about the optical shortcomings outside the APS-C image circle, but one cannot simply state that these lenses are FF lenses with a DA moniker.

N.B., for sure some DA lenses could carry a D-FA moniker without any issue because they are based on FF designs, for instance. The DA 40 and DA 70 were always designed for APS-C, though and clearly struggle on FF (beyond benign issues like vignetting).
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