Feature:1. Widely Used: C mount machine vision industrial lens is widely used in the assembly line to detect product quality.2. Diverse Features: 1050mm changeable focal segment, and 35mm / 1.4in diameter filter can be installed.3. Excellent Performance: The F2.8 large aperture provides excellent performance even in low light environments.4. Vibration Prevention: The focus ring, aperture ring and focus ring all have locking spanners, which can prevent vibration from affecting the shooting.5. Strong 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.Specification:Item Type: C Mount LensWeight: Approx.121g / 4.3ozMaterial: Alloy + Optical GlassFocal Distance: 10-50mmAperture Range: F2.8-CMount: C MountFocus Range: 10mm Focus Segment 0.1m-, 50mm Focus Segment 0.3m-Focus Mode: Manual FocusFilter Interface: Approx.35mm / 1.4inAngle Of View (DxHxV): 10mm Focal Segment 44.2x36.8x24.8 50mm Focal Section 11.1x9.3x6.2Operating Temperature: -20-60.Package List:1 x Lens 1 x Lens Front Cover (Installed) 1 x Lens Rear Cover (Installed)