Costar CLS3580D 1/3" 3.5-8mm F1.4-360 DC CS Lens

Optimize your security and surveillance deployments with the Costar Video Systems CLS3580D varifocal lens. Designed for 1/3" high-resolution cameras, this 3.5-8mm zoom lens delivers flexible framing and sharp imaging that helps operators capture usable ID-level detail and actionable video. The CLS3580D features a fast minimum aperture (f/1) and DC Auto Iris control to maintain consistent exposure as lighting changes, making it ideal for mixed indoor/outdoor monitoring, entrances, and perimeter security where illumination varies. With a CS-mount for straightforward installation and high-index optical glass elements that minimize distortion, this lens improves image clarity for live monitoring and recorded evidence, and supports video analytics and license plate capture in many setups. Built specifically for surveillance and security applications, the Costar CLS3580D simplifies system design while enhancing performance. Add this varifocal lens to your camera inventory to reduce installation time and improve low-light results — contact sales or order now to upgrade your monitoring capabilities.

• Produces crisp, high-resolution images on 1/3" sensors for clearer identification and reliable evidence capture
• 3.5-8mm varifocal zoom lets you quickly adjust field of view from wide coverage to detailed close-ups without changing lenses
• Fast aperture (f/1) and DC auto-iris preserve exposure in varying light for improved low-light surveillance performance
• Standard CS-mount design enables quick integration with most security cameras and easy field installation
• High-index optical glass reduces distortion and enhances contrast for accurate monitoring and video analytics