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Forum: Pentax SLR Lens Discussion 03-15-2019, 08:57 PM  
DA12-24 on Full Frame
Posted By BruceBanner
Replies: 7
Views: 651
Yeah I thought of that, they are kinda hard to come by. I'd appreciate the consistent F4 across the frame, and by all accounts the 12-24 is sharp wide open at F4. Comparing with the FAJ 18-35 would be interesting to see. Of course the 12-24 has Quickshift as well, a nice touch.
Forum: Pentax SLR Lens Discussion 03-15-2019, 06:03 PM  
DA12-24 on Full Frame
Posted By BruceBanner
Replies: 7
Views: 651
I gather this lens is actually compatible with the K-1 from around 16-24mm. That's kinda attractive being a KP/K-1 kinda guy. I could see me using it on both systems from time to time. What does seem to be hard to find however is the performance of the lens on the K-1 at 18-24mm, specifically comparing with a crop lens at equivalent ranges.

Example, tripod up the KP or K3, use the 12-24 at 12-16mm (equivalent to using at 18-24), take some shots (f4, f8 etc). Then take the KP/K3 off, put on the K-1 and use at 18mm-24mm, test at same apertures. The should both offer similar if not identical field of views, one 24mp the other 36mp. How do they compare? Sometimes when these lenses are ff they do poor, other times the additional resolution is welcome!

Anyone have this lens with a crop body and ff sensor to compare? Anyone just simply got ff shots with the 12-24 to share? It seems actually quite hard in the K-1 line up to get a lens from 18-24mm that is reasonably priced and has AF, which is part of my attraction to seeking out this lens in the future.


TIA!

Bruce
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