LensTip.com

Lens review

Canon EF 24-85 mm f/3.5-4.5 USM

22 September 2007
Arkadiusz Olech

8. Vignetting

As we expected for a full frame lens, the vignetting with the APS-C detector is not a problem. In the most difficult combination of 24mm focal length and f/3.5 the light fall off reaches 15% (-0.4 value of the diaphragm). Slightly stopping down the lens improves the situation to 10%.

Canon EF 24-85 mm f/3.5-4.5 USM - Vignetting


At the 50mm focal length the situation is even better. At f/4.5 the vignetting reaches 12% and at f/5.6 it is 7%. At 85mm the situation is similar. At the open aperture it is 13% and at f/5.6 it is only 8%.


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

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

When we observe the weak performance of the small digital detector lenses, the vignetting seems to be a clear reason to invest in a full frame lens. Besides, in the future, when all of us will be using the FF, the EF class lenses will serve us as much as they do now.