The iris opens and closes with ease - see photos.
Canon Genuine 50mm FAST f1.4 Standard Prime Lens for Canon FD Fit or DSLR
Canon FD 50mm F/1.4 S.S.C Manual Focus Standard Lens For Canon FD Mount japan
Tokina RMC f8.0 500mm Reflective Mirror Lens Canon FD Fit
RMC Tokina 35-105 mm Lens, 1:3.5, Close Focusing Zoom, Good Without Original Packaging #47103
Vintage Super Ozeck ii 28 135mm f.8 Telephoto Lens. Canon FD Fit - For Parts
Vivitar (Komine) Classic 55mm F/2.8 Canon FD Fit True 1:1 Macro Lens
