150mm f1.8 half frame manual foucsing leng, good image. 2C mount design, can be used with adapter ring for different brands camera. 3Built-in 12 aperture blades are more similar to round. 4Advanced optics component, ensuring all-round clarity and effective light conductivity. Manually adjusted aperture according to the available aperture. 55 different types for you tochoose, meet your different needs.Condition: 100% Brand NewItem Type:50mmFoucsing LensMaterial: metal + optical glassColor: black Size(length x width): Approx. 53x53mm/2.1x2.1in Optional:C mount, forSonymount, for Fuji mount, for Canon mount, M4/3(for Olympus) mount Lens Model: CL-Mil5018N-C Lens focal length: Approx. 50mm Maximum aperture: 1.8 Minimum aperture: 16 Aperture: Manual Focusing: manual Distortion: qFor Sony full-frame needs to switch to APS-C format, for Sony full-frame models:A7A7R , A7 II, A7RII,A7S,A7S II,A7III,A7R III 2.Fit for Fuji FX mount:X-A1,X-A2,X-A3,X-A5,X-A20,X-E1,X-E2,X-E3,X-H1X-M1 ,X-T1,X-T2,X-T3,X-T20,X-T100,X-Pro1,X-Pro2,X-E1,X-Pro1,X-Pro2 3.Fit for Canon EF-Mmount: M2,M3,M5,M6,M10,M100,M50 4.Fit forOlympus 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-M10III5 5. Fit for M43 mount: G1,G2,G3,G5,G6,G7,G9,GF1,GF2,GF3,GF5,GF6,GF7,GF8,GF9,GF10 GM1,GM5,GM7,GX1,GX7,GX8,GX9,GX85,GH1,GH2,GH3,GH4 1 x Lens1 x Adapter ring(with cover)