I got to thinking about which lenses are compatible.
Pentax full frame compatible lenses.
Pros strong center sharpness.
The newer da 60 250 unlike other da tele zooms has an image circle covers full frame also although the vignetting is serious from 135mm and onwards.
This classic pentax lens from 1991 has been given a new lease of life thanks to the full frame pentax k 1.
While the lens does fit the body the lens will always stop down to its smallest aperture during exposure for example f22 which limits practical shooting.
Find the right dslr lens for every photographic opportunity.
Browse sigma lenses including over 45 camera lenses available for most major mounts including sigma canon nikon sony pentax and micro four thirds systems.
Pentax s real autofocus lenses began with the f series the ill fated af series consisted of only one lens and one camera body that could use it f series lenses are fully compatible with all the capabilities of pentax digital slr s except for the transfer of mtf data from the lens.
I understand pentax are producing new lenses but a more interested in the lenses i own already as given the cost of the full frame it s unlikely i ll be able to afford more than the cheapest of the new lenses for a long period.
But it seems that pentax has lately decided that their new da lenses should be made to be full frame compatible as the latest da zoom the da 55 300 has shown to be usable on full frame.
The pentax hd d fa 28 105mm f3 5 5 6ed dc wr is a solid full frame starter zoom but it makes the compromises you expect from a kit lens.
Some users report that the da 40mm does cover the full frame and that some da zooms at least at some focal lengths also cover the full frame.
It s one of the few full frame lenses still available from the film era.