Computar - CMP-TG4Z2813FCS-IR - 1/3-Inch 2.8-12mm f1.3 Auto Iris, Day/Night IR

Product Overview

The Computar TG4Z2813FCS-IR is a 1/3" CS-mount varifocal lens designed for day/night IR surveillance cameras. With a 2.8-12mm focal length range, fast F1.3-F360C iris range, DC auto iris control, and IR-corrected optical design, it supports flexible framing and clear imaging in changing light conditions.

Key Configuration

Model: Computar TG4Z2813FCS-IR; lens format: 1/3"; focal length: 2.8-12mm; iris range: F1.3-F360C; max aperture ratio: 1:1.3; iris type: DC auto iris; mount: CS-mount; application: day/night IR cameras.

Key Features

• 2.8-12mm varifocal range supports wide-area coverage and tighter scene framing.
• F1.3 aperture helps capture brighter images in low-light environments.
• DC auto iris automatically adjusts exposure as lighting conditions change.
• IR-corrected optical design helps reduce focus shift during night operation.
• Glass optics and durable metal housing support reliable surveillance performance.

Technical Context

This lens is built for day/night camera systems that use infrared illumination. Its IR-corrected design helps maintain focus when the scene changes from visible light to IR lighting, supporting clearer 24/7 monitoring.

Installation Notes

Use with compatible 1/3" CS-mount cameras that support DC auto iris control. During installation, adjust the focal length and focus for the required field of view, then verify exposure and image sharpness under both daytime and IR-assisted night conditions.