Feature: 1. 50mm/ F1.8 fixed focus lens, golden focus length, excellent large aperture, natural perspective sense, significant blurry effect. 2. The lens body adopt all metal material, very texture, light weight, small and easy to carry. 3. Fit for Olympus M43 mount camera, esure the sharpness of the image and reduce the generation of glare. 4. Made of high quality alloy and optical glass material, firm and durable, provide longer service life. 5. Can better blur the background and highlight the subject, ideal for imaging when using large apertures. Specification: Item Type: 50mm Large Aperture Lens Material: Alloy+Optical Glass Filter Size: Approx.52mm/2.0in Weight: Approx. 332g/11.7oz Color: Black Focal Length: 50mm/2.0in Maximum Aperture: F1.8 Minimum Aperture: F16 Mount: M43 Mount Fitment: for GM1, GM5, GM7, GX1, GX7, GX8, GX85, GX9G, G1, G2, G3, G5, G6, G7, G9, GH1, GH2, GH3, GH4, GH5, GH5S, GF1, GF2, GF3, GF5, GF6, GF7, GF8, GF9, GF10 and so on for Olympus E-PM1, E-PM2, E-P1, E-P2, E-P3, E-P5, E-M1, E-M1II, E-M5, E-M51II, E-M10, E-M10II, E-M1OIII, E-PM2E-PL1, E-PL2, E-PL3, E-PL5, E-PL6, E-PL7, E-PL8, E-PL9 and other cameras Frame: half frame/APS-C Aperture Blades: 12 pieces Optical Structure: 5 groups of 6 pieces Perspective: 32 ° Aperture Ring: Stepless aperture Nearest Focusing Distance: 0.5m/19.7in Lens Stabilization: no stabilization Focus Mode: manual focus Instructions: 1. Set the camera to no lens release mode, otherwise the camera will not be able to take pictures 2. Aimed the lens bayonet marking point at the fuselage bayonet marking point, and rotated clockwise, when the "tap" sound was heard, the lens was installed in place 3. To remove the lens from the camera, press the lens remove button, and then rotate the lens counterclockwise to remove it.. Package List: 1 x Lens1 x Instruction Note: When using this product, the camera needs to turn on the no‑lens mode.