Item Type: C Mount Lens Weight: Approx.121g / 4.3oz Material: Alloy + Optical Glass Focal Distance: 10-50mm Aperture Range: F2.8-C Mount: C Mount Focus Range: 10mm Focus Segment 0.1m-, 50mm Focus Segment 0.3m- Focus Mode: Manual Focus Filter Interface: Approx.35mm / 1.4in Angle Of View (DxHxV): 10mm Focal Segment 44.2x36.8x24.8 50mm Focal Section 11.1x9.3x6.2 Operating Temperature: -20-60 Package List 1 x Lens 1 x Lens Front Cover (Installed) 1 x Lens Rear Cover (Installed) 1Widely Used: C mount machine vision industrial lens is widely used in the assembly line to detect product quality. 2Diverse Features: 1050mm changeable focal segment, and 35mm / 1.4in diameter filter can be installed. 3Excellent Performance: The F2.8 large aperture provides excellent performance even in low light environments. 4Vibration Prevention: The focus ring, aperture ring and focus ring all have locking spanners, which can prevent vibration from affecting the shooting. 5Strong Imaging Effects: Silky focus ring meets the demanding needs of photography, and the powerful image effect and the perfect sense of operation can also greatly achieve the satisfaction of photographic effects.