Wide aperture of T2.2, minimum focusing distance of 90cm, Lens consturction of 9 elements in 7 groups, capable of delivering sharp and clear videoWith full coverage on Super 35 and APS-C sensors ; The equivalent focal length is 170 mm on Micro 4/3 mount camera bodiesVery long (270º) focus throw , Delivery image withs smooth, circular bokeh and little to no focus breathingCompatible with Micro 4/3 MFT OLYMPUS Panasonic Lumix Cameras such as GH5 and BMPCC , BMPCC 4K,Zcam E2Lens view angle:diagonal 15.4° horizontal 12.4° vertical9.3°Filter thread size: 77mm, Focus ring rotation: 270° Weight:640g