Olympus 50mm F3.5 Macro Zuiko

Angle of view: Diagonal: 46° Vertical: 27° Horizontal: 40° Distance scale: (m) 0.23 to infinity (OO) Focusing mechanism: Helicoid Magnification: 0.5X for lens used alone, 1X (1:1) with Auto Extension Tube 25mm Minimum aperture: f/22; Diaphragm: Automatic; Filter size: 49mm; Length: 40mm; Weight: 200g (7.1oz); Recommended Focusing Screens: 1:1*, 1:2*, 1:3*, 1:4*, 1:5#, 1:10*, 1:13*, 1:14* * Compatible. Focusing and exposure accuracy remains. # Can be used, they provide accurate focusing but exposure error may occur in manual mode for OM1 and OM2 series models.