Features 1、LARGE 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. 2、12 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. 3、C 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). 4、MC 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. 5、DURABLE 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. Specification Item Type: Camera Lens Material: Metal, Glass Focus Length: Approx. 35mm/1.4in Maximum Aperture: F1.6 Minimum Aperture: F16 Mounting: C Port Lens Type: Pure Manual Lens Nearest Focusing Distance: Approx. 0.3m/0.98ft Maximum Focusing Distance: Infinity Viewing Angle: 18° Structure: 4 Groups of 4 Pieces Coating: MC Multi Layer Blade: 12 Pieces Filter: Diameter Approx. 37mm/1.5in Package List 1 x Camera Lens