Feature: 1. The multi-layer coating of the lens, effectively improves the light transmittance, and suppresses ghosts and lens flare during backlight shooting. 2. There are up to 12 aperture blades, can shoot almost circular diffuse spots. 3. The lens structure is 5 elements in 3 groups. 4. The closest focusing distance is 20cm/7.9in. 5. Suitable for Olympus E-M5 E-M5II E-M10 E-M10II E-M10III camera, for GH1,GH2,GH3,GH4 camera. Specification: Condition: 100% Brand NewItem Type: Mirrorless Camera LensMaterial: Metal + optical glassOptional Color: black, silverWeight: Approx. 300gLens model: CC-Mil2518N Lens focal length: 25mm Maximum aperture: 1.8 Minimum aperture: 16 Aperture: Manual Focusing: manual Distortion: q <3% Farthest focusing: ∞ Recent focusing: about 20cm Shooting angle: 57.4º Optical structure: 5 elements in 3 groups Lens coating: MC multilayer Aperture blade: 12 pcs Anti-shake function: without anti-shake Lens type: pure manual Frame: half frame Hood size: Approx. 43mm/1.7in Filter size: Approx. 43mm/1.7in Fitment: fit for Olympus M43 mount: EPM1,EPM2,EPM1,E-PL1,E-PL2,E-PL3,E-PL5,E-PL6,E-PL7,E-PL8,E-PL9,E-P1,E-P2,E-P3,E-P5,E-M1,E-M1II, E-M5,E-M5II,E-M10,E-M10II,E-M10IIIMFit for M43 mount: G1,G2,G3,G5,G6,G7,G9,GF1,GF2,GF3,GF5,GF6,GF7,GF8,GF9,GF10 GM1,GM5,GM7,GX1,GX7,GX8,GX9,GX85,GH1,GH2,GH3,GH4 . Package List: 1 x Lens1 x Lens bag