|
Olympus 24mm f/2.8 Zuiko (multi-coated) |
|
Written by Ken Norton
|
|
Nov 22, 2008 at 02:19 PM |
|
(multi-coated)
OM-4T with mirror and aperture prefire Vignetting = B- @ f/2.8, B+ @ f/4, A- @ f/5.6, A @ f/8 Distortion = slight waveforming with distinct barrel Aperture Center Corner f/2.8 B- C f/4 B+ B f/5.6 A- A- f/8 A- A f/11 A- A f/16 A- A- Notes: Moderately low contrast at f/2.8 and f/16, moderate contrast elsewise.
OM-4 with mirror and aperture prefire, different sample than above Distortion = slight waveforming with distinct barrel Aperture Center Corner f/2.8 A- C+ f/4 A- B- f/5.6 A- B+ f/8 A- B+ f/11 B+ B+ f/16 B+ A-
|