Posted 13 October 2010 - 12:21 PM
Has anyone else experienced these problems and can anything be done?
In simple terms please.
Posted 13 October 2010 - 01:11 PM
Posted 13 October 2010 - 08:37 PM
It isn't that the sensor is too big for the camera, it is that that particular lense is not suppose to be used on full frame sensor cameras like the 5d mark ii. This particular 18mm lense is for ANSI super 35 and normal 35 image format and would work better on something like the 7D. Only the CP.2 lenses with focal lengths from 21 - 100mm work without vignetting on the mark ii and are made for full frame cameras. If you need to use this lense without the vignetting problem put it on a 7D.
Yup. The 5D mkII is a full size sensor camera (6 perf 35 mm) and your lens is designed for APS-C size sensors, which are closer to S35mm aperture. Some extremely wide angle zooms (18-28mm) designed for the APS-C sensor will vignette on the 5D at the widest setting, but will be fine closer to 22mm. Still incredibly wide angle, IMO.
Edited by Saul Rodgar, 13 October 2010 - 08:40 PM.
Posted 14 October 2010 - 09:36 AM