Mcoplus 35mm f/1.6 Prime Fixed Manual Focus Lens Canon EF-M mirrorless APS-C Cameras EOS M1 M2 M3 Large Aperture Prime Fixed Lens, Manual Focus, Max Aperture: F/1.6, Focal Length: 35mm Good quality of construction: 6 Groups 7 Elements 9 Blades the 7 elements in 6 groups optics are multi-coated, closest focus is 1 foot (0.3m) The lens is of metal construction and highly reminiscent of the Asahi Pentax Super-Takumar lenses Super multi-coated / Angle:Diagonal 4422' Horizontal 3633' Vertical 23. 7 elements in 6 groups optics. Nano-technology,multi-layer coating. APS-C-Mirrorless camera lens. Apeture scale: F1.6-22. Manual focus. Lens angle: Diagonal 4422&#039; Horizontal 3633&#039; Vertical 23. The diaphragm has 9 blades. 49mm thread filters. 0.113x maximum magnification.