|
Forum: Pentax Lens Articles
04-03-2015, 11:02 AM
|
| |
The best solution would be if the Pentax FF had four options:
a) No crop. Photos taken at FF, even if lens' image circle is too small. Basically like shooting film.
b) Always crop. Photos cropped to APSC regardless of image circle. This would allow for smaller file size, maybe even faster burst mode and extra "sensor shift".
c) Auto-crop to APSC. For FF Pentax lenses and manual lenses, the camera would use FF area. For certain Pentax lenses, camera would crop to APSC
d) Auto-crop to fit. If lens is okay at 60mm, no crop. If the same lens is not okay at 250mm, then crop it to whatever dimensions it requires at that focal length (not necessarily APSC crop, might be 1.2x or whatever Pentax engineers determined would make sense.).
c and d would probably only work for Pentax lenses. Third parties would just be assumed to be FF.
Focus also affects the size of image circle. I don't think the camera can know where exactly the focus is set, so it would just assume worst case scenario for that part of the image circle equation
|
|
Forum: Pentax Lens Articles
02-05-2015, 05:46 PM
|
| |
The Samyang 14mm had no filter threads and the hood is not detachable. Samyang learned from that lens (and the 8mm, which was more critical) and the later Samyang lenses (as far as I know) have detachable hoods and regular filter threads. The hood of the Samyang 14mm does indeed fit onto the lens cap. If you cut off the hood, you cannot use that cap anymore. Also, you have to be careful not to damage the protruding front element, while hacking away at the plastic! But isn't the 14mm an FF design anyway? I thought only 8mm, 10mm, and 16mm are APSC
|
