Features: Designed with multi-coated optical glass, exquisite body features amazing maximum aperture of F1.1, which creates fascinating background blur effect and sharper image quality. No worries about the low-light & night scene, just shoot and enjoy the safe and fast shutter speed. 12 circular aperture blade, 5 groups 5 elements lens structure with multi-coated optical glass, ensures low image distortion, excellent image sharpness and contrast. 50mm focal length is equivalent to 75mm on APS-C camera, perfect for portraits shooting with fascinating background blur effect. With the focal length scale and smooth focal ring, it's very easy to focus what you want and feel the unique charm of the manual lens, lets you more concentrate on the image itself. Specification: Brand: Kamlan Condition: Brand New Material: Optical Glass, Alloy Color: Black Options: for EOS-M, for NEX, for Fuji X, for M4/3 Focal Length: 50mm Aperture: F1.1-F16 Visual Angle Range: 31°@APS-C Filter Diameter: 52mm Minimum Object Distance: 0.5m Focus Type: Manual Lens Structure: 5 groups 5 elements Size: Approx. 8 * 6.5cm / 3.1 * 2.6in Weight: Approx. 378g Package List: 1 * APS-C Lens 1 * Lens Wipe 1 * Manual