Fotasy TL3516 35MM F1.6 APS-C Multi-Coated Lens & C-M43 Adapter for MFT Mount Mirrorless Cameras Lens Mount: C mount / 16MM / Cine. With the adapter, user can use it on MFT M4/3 cameraS Focus Length: 35mm; Aperture: F1.6 - F16 - Close; Minimum Focus Distance: 30mm Focus Operation: Manual; Aperture Operation: Manual Elements/group: 4/4, Aperture blades: 12, Glass: Multi-Coated Front thread diameter:37mm; Length/Width: 35mm x 50mm; Weight: 110g