02-05-2013, 03:28 PM
[quote name='Mistral75' timestamp='1360077107' post='21786']
I presume this lens covers the 24x36 image circle. The problem is rather that this kind of long-focus lens (it is definitely not a telephoto lens: its length + flange distance equals its focal length), deriving from a telescope formula, usually suffers from poor borders; in such case the APS-C format would be the "sweet spot" of the lens.
[/quote]
Hi,
No-one is certain whether it covers FF,I think if I remember rightly at Photokina Pentax when asked,gave an evasive answer which indicated that maybe it just did, but with strong vignetting. Pentax Forums will be testing the lens and then we will know for sure. Anyway as a Pentax user, I feel relatively insulted that after all the calls for a long telephoto,instead of bringing out an affordable telephoto around the 400-500 mark at say $1500-2000 they decide to bring out a monster for $7000 that very few Pentaxians can afford.But it dates back to the days of Hoya.
Dave's clichés
I presume this lens covers the 24x36 image circle. The problem is rather that this kind of long-focus lens (it is definitely not a telephoto lens: its length + flange distance equals its focal length), deriving from a telescope formula, usually suffers from poor borders; in such case the APS-C format would be the "sweet spot" of the lens.
[/quote]
Hi,
No-one is certain whether it covers FF,I think if I remember rightly at Photokina Pentax when asked,gave an evasive answer which indicated that maybe it just did, but with strong vignetting. Pentax Forums will be testing the lens and then we will know for sure. Anyway as a Pentax user, I feel relatively insulted that after all the calls for a long telephoto,instead of bringing out an affordable telephoto around the 400-500 mark at say $1500-2000 they decide to bring out a monster for $7000 that very few Pentaxians can afford.But it dates back to the days of Hoya.
Dave's clichés