LensTip.com

Lens review

Olympus Zuiko Digital 25 mm f/2.8

8 June 2009
Arkadiusz Olech

8. Vignetting

For a lens moderately fast, the ZD 2.8/25 has a significant falloff. This is the price you have to pay for the compact dimensions.

At maximum relative aperture the corner illumination loss is 31 % (-1.06 EV). On stopping down to f/4.0 its level decreases to 23% and by closing by one more stop it reaches 16%. Only by f/8.0 it becomes imperceptible (10%).

Olympus Zuiko Digital 25 mm f/2.8 - Vignetting


Please Support Us

The coronavirus crisis has been adversely affecting many businesses and, sad but true, ours is not an exception. Despite that difficult situation we would like to preserve continuity and high quality of publications available on all our websites. Still, we are now aware it might be impossible without additional financial help. That's why we would like to ask all those who visit, read, and care about Optyczne.pl, LensTip.com i Allbinos.com for support - it's enough you send us a small sum of money via PayPal. If a lot people decide to support our websites we think we'll stand a chance and survive next months without any lasting harm. We count on your support and understanding, stay safe and be healthy.

- - - - - - - - - - - - - - - - - advertisement - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -


The results don't position the Olympus well when compared with other “pancakes”. The Pentax 2.8/40, which works on a significantly bigger 1.5x detector, had practically the same results.


Olympus Zuiko Digital 25 mm f/2.8 - Vignetting