Hi,
I'm thinking about buying a bargain FD 28mm F2.8 S.C lens, but I have one question - on the backside of the lens, there is a little 'switch' that points to either a red "L" or a white dot. What exactly does this 'switch' do? I haven't seen it on any other FD lenses.
Thanks!
I'm thinking about buying a bargain FD 28mm F2.8 S.C lens, but I have one question - on the backside of the lens, there is a little 'switch' that points to either a red "L" or a white dot. What exactly does this 'switch' do? I haven't seen it on any other FD lenses.
Thanks!