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-Mil2518NLens focal length: 25mmMaximum aperture: 1.8Minimum aperture: 16Aperture: ManualFocusing: manualDistortion: q <3%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/1.7inFilter size: Approx. 43mm/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