1The multi-layer coating of the lens, effectively improves the light transmittance, and suppresses ghosts and lens flare during backlight shooting. 2There are up to 12 aperture blades, can shoot almost circular diffuse spots. 3The lens structure is 5 elements in 3 groups. 4The closest focusing distance is 20cm/7.9in. 5Suitable for Olympus E-M5 E-M5II E-M10 E-M10II E-M10III camera, for GH1,GH2,GH3,GH4 camera.Condition: 100% Brand NewItem Type:Mirrorless Camera LensMaterial:Metal + opticalglassOptional Color: black, silverWeight: Approx. 300g Lens model: CC-Mil2518N Lens focal length: 25mm Maximum aperture: 1.8 Minimum aperture: 16 Aperture: Manual Focusing: manual Distortion: q Fit 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 1 x Lens1 x Lens bag