Item Type: 12-36mm Zoom Lens Material: Metal, Glass Resolution: 8MegaPixel Image Surface Size: 2/3 Inch Focal Length: Approx. 12-36mm / 0.5-1.4in Through Aperture: F2.8 Interface: C Mount Aberration: -0.32% To -0.08% (2/3 ) Nearest Object Distance: Approx. 0.15m/0.5ft V00 Focal Length After Flange: Approx. 17.526mm / 0.7in Package List 1 x 1236mm Zoom Lens 1ODM AND OEM ACCEPTED: Manual F2.8 zoom lens accepts ODM and OEM, supports receive focus, and supports focal lengths from 12mm (W) to 36mm (T.). 2MANUAL ADJUSTABLE APERTURE: Industrial zoom microscope lens with standard FA industrial C CS interface. Zoom, manually adjustable aperture. 38MP HD IMAGE: 1236mm zoom lens has 8MP high definition image, industrial grade low distortion image, optical lens multi layer coating process. 4STABLE AND DURABLE: 8MP 1236mm F2.8 zoom lens has good durability and stability for long term use. Lightweight appearance, easy to install. 5APPLICABLE RANGE: Zoom lens is widely used in machinery and equipment, industrial inspection, machine vision and other monitoring scenarios.