Features 1、Excellent Optical Performance: The industrial camera C mount lens features a standard pixels HD manual aperture with a focal length of 25mm, ensuring clear images. Its excellent internal components minimize distortion, resulting in high resolution pictures that meet professional photography standards. 2、Flexible Focusing And Aperture Control: Equipped with manual focusing capabilities and an adjustable aperture, this industrial C mount lens allows photographers to have complete control over depth of field and exposure settings. The option to lock and fix the aperture helps maintain consistent recording conditions, enhancing creativity and accuracy in workflows. 3、Robust Construction: Made from excellent aluminum alloy, the manual aperture industrial lens is designed to withstand high temperatures, resist erosion, and ensure long lasting durability. This rugged construction allows it to perform reliably under various environmental conditions without compromising image quality. 4、Excellent Imaging Characteristics: The aperture C mount lens is engineered to eliminate lens shadows and vignetting, resulting in evenly illuminated images with excellent color fidelity. Photographers can enjoy a seamless recording experience without worrying about image quality degradation from lens imperfections. 5、User Friendly Installation And Operating: This industrial aperture lens is easy to install and operate, requiring no complex setup, making it user friendly for both amateurs and professionals. Its thoughtful design prioritizes efficiency, allowing users to focusing on catching excellent images rather than struggling with gear adjustments. Specification Item Type: Manual Aperture Industrial Lens Material: Aluminum Alloy Resolution: Standard Pixels Focal Length: Approx. 25mm / 0.98in Aperture: F1.4 Mount: C Distortion: 3.5% Minimum Focusing Distance: Approx. 0.2m / 0.66ft Flange Back Focal Length: Approx. 17.526mm / 0.69in Optical Back Focal Length: Approx. 8.5mm / 0.33in Mechanical Back Focal Length: Approx. 8.1mm / 0.32in Aperture: Manual Focusing: Manual Focusing Operating Temperature: -20°C-+60°C Package List 1 x Manual Aperture Industrial Lens