The Weldex WDL-358AD is a premium vari-focal CS-mount lens featuring a robust metal housing and stainless steel thread, ensuring durability with no plastic parts. It incorporates 10 optical layers for superior image sharpness compared to standard lenses. Designed for excellent low-light performance, it has an F-stop of 1.4. Adjustable set screws allow precise control over the angle of view and focus, preventing any drift. With a focal range from 3.5mm to 8.0mm, it suits a wide variety of applications. Enhance your imaging setup with this reliable, high-quality lens, order now to capture clearer, sharper visuals!