new 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 / NEX) adapter (not included) This high-resolution lens is perfectly compatible with sensors and cameras mirrorless Mini Four Thirds and NEX. This is a compact and fine objective, which is provided with a length of 25 mm and an f / 1.4 aperture and provided suitable for in low light conditions. You are covered for approximately 95% sensors, dhnur about 5% vineta (a sample taken from the sample images esteem, but already)