1、COMPATIBILITY: This lens is suitable for DSLR or mirrorless cameras with standard F mount. In addition, a dust proof storage bag is included for users to properly store the lens. 2、LARGE APERTURE DESIGN: It has a large aperture of F1.7, which makes it possible to produce excellent background bokeh effect when shooting portraits, and you can take satisfying photos even without going to the studio. 3、FULL FRAME LENS: This lens can ensure good image quality when used on full frame DSLRs, and it can improve the image quality when used on half frame DSLRs to create fantastic photos. 4、COMPACT AND PORTABLE: Compared with other 50MM focal length large aperture fixed focal lenses, this lens is compact and easy to carry, which allows users to shoot more beautiful images and not miss any wonderful moments. 5、PREMIUM IMAGING: The 50mm F1.7 lens realistically expresses the shape and 3D feeling of the subject. Thanks to its simple structure, it is able to achieve good image quality at a specific focal length, effectively restoring the essence of things. Item Type: Camera Lens Material: Aluminum Alloy, Optical Lens Mount: For F Mount Focal Length: 50mm / 2in Maximum Aperture: F1.7 Minimum Aperture: F22 Frame: Full Frame Closest Focusing Distance: 4cm / 1.6in Lens Structure: Five Groups, Six Elements Coating: Multi Layer Transparency Enhancement Film Filter Port: 52mm / 2.05in 1 x Camera Lens 1 x Cleaning Cloth 1 x Storage Bag