Originally Posted by falconeye
Hi everybody,
I would like to open up a thread dedicated to one topic:
DA lens on Full Frame: a sticky test shots thread.
This thread shall be dedicated to test shots of a DA lens mounted to a full frame body (e.g., a film camera body). By test shot, I mean shots dedicated to evaluate the performance. Shots of ordinary subjects aren't suitable to this task, normally, and should not be posted. So, these are the rules:
- K mount lens dedicated to the APS-C form factor is used.
- Image is taken full frame 36mm x 24mm.
- Lens hood was removed.
- The aperture used is specified (note that film cameras don't record EXIF...).
- Sample image shows the entire field of view.
- Sample image(s) show(s) corner, border and center performance at 10MP-100% (multiple crops, or single not-resized image).
- The subject is such that resolution and vignetting at the borders can be compared to the center.
The idea behind this thread is obvious: To compile enough data to assess the spectrum of available lenses for a forthcoming full frame DSLR in K mount.
It would be a good idea to have your tests shot both wide open and stopped down to perhaps f/11, as image circles can get bigger as the aperture gets smaller. Some lenses that vignette slightly wide open may be somewhat usable stopped down a bit.