1The shooting range can be changed by changing the focal length, which is very useful for composition. 26MP lens, provides highdefinition images, good color reproduction, observe objects more clearly. 3Low distortion, CS mount, high compatibility, this lens can adapt to most security cameras. 4The aperture can be fixed and locked, which can bring much convenience for you. 5The zoom lens can be used as multiple fixed lenses, saving time for changing lenses. 6Made of high-quality aluminum alloy material, rugged, anti-corrosion and durable. Item Type: Camera Lens Material: Aluminum Alloy Pixel: 6MP Focal Length: 5-50mm Clear Aperture: F1.4 Image Format: 1/2.7in Mount: CS Field of View (DHV): Short focus: 62.7 x 49.6 x 36.9, long focus: 8.7 x 7 x 5.2 Close-Up Distance: 0.5m Flange BFL: 12.526mm BFL: 7.3mm MBF: 6.8mm IR Correction: Support Aperture: Automatic aperture Focus: Manual Focus Zoom: Manual Zoom Working Temperature: -20-60 1 x Camera Lens 1 x Manual Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.