Manual Iris Lens Heat Resistant Camera Lens for Industrial Camera            Feature: 1. 6MP Lens: Camera lens has a 6 MegaPixel, which provides high definition images, good color reproduction, observe objects more clearly.    2. Manual Aperture and Zoom: Industrial camera lens with manual focus and adjustable aperture, no lens shadow, no vignetting, high image quality.    3. Characteristic: C Mount Lens, the image format is 1/1.8in, the focal length is 10‑50mm adjustable, high compatibility, can adapt to most industrial cameras.    4. Premium Material: Industrial camera lens is made of premium aluminium alloy material, anti rust, wearproof, sturdy, can deal with harsh environment.    5. Simple Operation: Manual iris lens is easy to install and disassemble without affecting the installation and use of other accessories, nice replacement.       Specification:            Item Type: Camera Lens Material: Aluminum Alloy Focal Length: 10-50mm Image Format: 1/1.8in Resolution: 6 MegaPixel F NO: F2.8 Mount: C Mount Optical Distortion: -1.3% To -0.09% CRA: ≤6º - ≤4º BFL: 17.526mm Dimension: 37x65.0mm / 1.5x2.6in M.O.D.: 0.25m Inf. IR Correction: Yes Operation: Iris, Focus, Zoom, All Manual Operations Operating Temperature: -20℃-+80℃                Package List: 1 x Camera Lens   2 x Adjustable Knob    3 x Screw        Note: The optical coating is very important for the imaging of the lens, and it needs to be handled with care to avoid scratching the coating