Industar 50-2 features: Focal Length: 50 mm Relative aperture 1: 3.5 Field of view: 45 ° Frame size: 24 × 36 mm Number of lenses / groups: 4/3 The limits of the aperture scale: 1: 3, 5-1: 16 Minimum distance focusing lens: this lens (for SLR cameras) - 0, 65 mThis lens is in a very good condition The lens is clean and clear, no scratches (some cleaning scratches may be found), has no fungus. This lens has no front lens cap. I gu...arantee very good packaging. You will not be disappointed! All photos are actuall, please check it before buying. If you have any questions - please feel free to contact with me.