Specifications: Focal range: 8mm Aperture range: F2.8-22 Filter size: 77mm Minimum focusing distance: 0.25m Lens type: Manual focus wide-angle prime lens Lens structure: 17 elements in 12 groups M43 Angle of view: Diagonal 109° Horizontal:96° Vertical: 80° Weight: 480g Capability Works with Panasonic Lumix G9 G1 G2 G3 G5 GF1 GF2 GF3 GF5 GF6 GF7 GH1 GH2 GH3 GH4 GH5 GH6 G6 GX1 GX7 GX8 GX9 GM1 GM5 etc. Works with Olympus mirrorless camera E-P1 E-PL1 E-P2 E-PL2 E-P3 E-PL3 E-PL5 E-PM1 E-PM2 OM-D E-M5 E-P5 OM-1 OM-D E-M1 OMD-EM10 etc. Package included 1* 8mm F2.8 Lens 1* Front Lens Cap 1* Rear Lens Cap 1* Lens hood 1* Lens cleaning cloth Extra accessories: 1* Lens Pouch.