compact lens 25mm f / 1.4 and fine in C-mount for all TV / CCTV / Cinema C-mount cameras and mirrorless cameras (such as Mini Four Thirds / Sony NEX) adapter (not included) This is a compact and fine objective, which is provided with a focal length of 25 mm and an f / 1.4 aperture and provided suitable for use in low light conditions. This high-resolution lens is perfectly compatible with sensors and cameras mirrorless Mini Four Thirds and Sony NEX. You are covered for approximately 95% MAF sensors, dhnur about 5% vineta (a sample taken from the sample images esteem, but more or less already) Parameter Computers. C-Mount Focal Length: 25 mm Aperture: F1.4 - C The manual control of aperture and focal length Mass of the lens: 36 x 44 mm Minimum Object Distance (MOD): 30 cm Infinity focus Image plane size: 1/2 inch Condition: and good quality Suitable for C-Mount Camera: Olympus y Panasonic M4 / 3 Camara: Olympus PEN E-PL5, E-PM3, E-PM2, E-P3, E-PL3, E-PM1, E-PL2, E-PL1s, E-PL1, E-P2, E P1 y Panasonic Lumix DMC-GH3, G5, GF5, GX1, GF3, G3, GH2, GF2, G2, G10, G1, GH1, GF1 Camara Sony NEX: NEX-6, NEX-5R, NEX-F3, NEX-7, NEX-5C NEX-5N, NEX-C3, NEX-5, NEX-3 for Samsung NX Camara: NX1000, NX210, NX20, NX200, NX11, NX100, NX5, NX10 for Nikon1: V1, J1, V2, J2 Pentax Q,Q10, for Canon EOS M Fujifilm X-E1,X-Pro1 Nota: The product should be used along with a corresponding C-Mount adapter ring. Delivery no C-Mount adapter ring. package:1 x Lens Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm.