[quote name='fotovino' timestamp='1321110785' post='12877']
The picture on top shows the lens with a AF/M switch. Not on the picture below.
[/quote]
The lower picture shows the Nikon mount version, which doesn't have the AF/M switch, but an aperture ring. The Canon mount version always has the switch, but no aperture ring.
[quote name='fotovino' timestamp='1321110785' post='12877']
Is there an optical difference between both lenses?
[/quote]
No.
-- Markus
The picture on top shows the lens with a AF/M switch. Not on the picture below.
[/quote]
The lower picture shows the Nikon mount version, which doesn't have the AF/M switch, but an aperture ring. The Canon mount version always has the switch, but no aperture ring.
[quote name='fotovino' timestamp='1321110785' post='12877']
Is there an optical difference between both lenses?
[/quote]
No.
-- Markus
Editor
opticallimits.com
opticallimits.com