With a wide aperture of T2.2,the lens allows you to create shallow depth of view videos The 50mm cine lens has a wide view angle of 24.8 degrees , great for portrait or landscape The Meike Mini Prime 50mm T2.2 is small and compact build , offers a focal length equivalent to 100mm with focal lengths that are ideal for video use The lens structure is 7 groups 9 elements , makes the lens capable of producing sharp image and videos with low distortion This cine lenses have very little focus breathing sharpness is perform very well both in the center and in the corners ， it haven’t any significant chromatic aberration Feature The Meike Mini Prime 50mm T2.2 is a short-tele/portrait-length manual cine lens designed for Micro 4/3 mount cameras and camcorders, is lightweight. with uniform focus and iris gear position as well as common 77mm front rings, a generous 270° focus rotation, and 4K optical quality, are perfect for the seasoned cinematographer using today's modern mirrorless video cameras from Panasonic Lumix, Olympus, Blackmagic Pocket Cinema Camera and many more. Support Camera and camcorders: Olympus: 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-D E-M1 OMD-EM10 etc Panasonic Lumix: G9 G1 G2 G3 G5 GF1 GF2 GF3 GF5 GF6 GF7 GH1 GH2 GH3 GH5 G6 GX1 GX7 GX8 GH4 GM1 GM5 etc BMPCC 4K Z CAM E1 E2 E2C Specification: Focus Type: Manual Focus Aperture Type: Manual Aperture Focal Length: 50mm T-stop Range: T2.2 - T22 Focus rotations: 270° Min. Focusing Distance: 0.6m Lens Construction : 7 groups 9 element Filter Size: 77mm 4/3 "Angle of View: horizontal: diagonal 24.8° horizontal 19.8° vertical 15° Operating Temperature: -10 ~+50 Weight: Around 660g Package: 1*50mm t2.2 lens 2*Lens Cap(front and rear) 1*Lens pouch 1*Lens Hood 1*Lens Cleaning Cloth 1*Manual