Features Mount Type: C Focal Length: 25mm Aperture: F1.4-C Iris & Focus Operation: Manual Lens size: 36mm (dia) x 44mm Minimum Object Distance (M.O.D.): 30cm Focus: focus to infinity Image plane size (Format): 1 / 2 inch Condition: New with high quality Package: 1x 25mm f/1.4 Lens(black) with front and rear cap Net weight (Weight): 83g Suitable forMicro Four Thirds system(M43/MFT), such as for Olympus: Pen E-PM1 E-PM2 E-PL1 E-PL2 E-PL3 E-PL5 E-PL6 E-PL7 E-PL8 E-PL9 E-PL10 E-P1 E-P2 E-P3 E-P5 PEN-F .