<BR>Specifications <BR>Type: 35mm F1.4 <BR>Lens construction: 7 elements in 6 groups <BR>Focal length: f=35mm <BR>35mm format equivalent: （52.5mm(SONY）52.5（FUJI）70（M4/3) <BR>Angle of view: 45º <BR>Max. aperture: F1.4 <BR>Min. aperture: F16 <BR>Number of of blades : 10(rounded diaphragm opening) <BR>Focus range: Approx. 28cm - ∞ <BR>External dimensions: ø44.0mm x42mm <BR>Weight (excluding caps and hoods): Approx. 180g <BR>Filter size: ø39mm <BR>Please kindly note the manual focus lens can't be recogniced by camera unless coming with the camera setting "release without lens"