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 or 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 percent Brand NewItem Type: Mirrorless Camera LensMaterial: Metal and optical glassOptional Color: black, silverWeight: Approx. 300gLens model: CC-Mil2518NLens focal length: 25mmMaximum aperture: 1.8Minimum aperture: 16Aperture: ManualFocusing: manualDistortion: q andlt 3 percent Farthest focusing: Recent focusing: about 20cmShooting angle: 57.4Optical structure: 5 elements in 3 groupsLens coating: MC multilayerAperture blade: 12 pcsAnti-shake function: without anti-shakeLens type: pure manualFrame: half frameHood size: Approx. 43mm or 1.7inFilter size: Approx. 43mm or 1.7inFitment: 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,GF10GM1,GM5,GM7,GX1,GX7,GX8,GX9,GX85,GH1,GH2,GH3,GH4.Package List:1 x Lens1 x Lens bag