Feature 1LARGE APERTURE: The lens is equipped with a large aperture of F1.6, in darker environments, can effectively improve the shutter speed, and the image is still bright. 212 APERTURE BLADES: Camera lens has up to 12 aperture blades to produce near round diffuse spots. Proper reduction of the aperture can produce a 14 star light effect. 3C MOUNT: Standard C mount lens flange distance is short, can be used with a variety of mount camera body adapter ring (adapter ring is not included). 4MC MULTI LAYER COATING: MC multi layer coating is used in backlight environment to reduce glare and purple edge, improve lens finish and light transmission, and improve image quality. 5DURABLE AND PORTABLE: 35mm F1.6 lens is made of alloy and premium optical glass to improve reliability and durability. Small size, does not take up space and is easier to carry.Item Type: Camera LensMaterial: Metal, GlassFocus Length: Approx. 35mm/1.4inMaximum Aperture: F1.6Minimum Aperture: F16Mounting: C PortLens Type: Pure Manual LensNearest Focusing Distance: Approx. 0.3m/0.98ftMaximum Focusing Distance: InfinityViewing Angle: 18Structure: 4 Groups of 4 PiecesCoating: MC Multi LayerBlade: 12 PiecesFilter: Diameter Approx. 37mm/1.5in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x CameraLens