Canon 100 mm f2.8 macro lens stupid questions
Canon 100 mm f2.8 macro lens stupid questions I bought this lens used, and I'm a beginner so I don't know if it's normal.
Is it normal that the end of the lens is open? I thought there would be glass at the very front. Is it normal that I can't manually focus the whole range from infinity to close up? I have to autofocus to get it close, then I can switch to manual. But just moving the foc...