Computar - CMP-TG4Z2813FCS - 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 camera applications. With a 2.8-12mm focal length range, fast F1.3 aperture, and DC auto iris control, it supports flexible surveillance framing while maintaining 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 viewing and tighter scene framing.
• F1.3 aperture helps deliver brighter images in low-light environments.
• DC auto iris automatically adjusts exposure as lighting conditions change.
• IR-corrected design helps reduce focus shift during day/night operation.
• Glass optics and durable metal housing support dependable surveillance use.

Technical Context

This lens is built for day/night camera systems that use infrared illumination. Its IR-focused optical design helps maintain image sharpness when lighting transitions from visible light to IR, making it suitable for 24/7 monitoring applications.

Installation Notes

Use with compatible 1/3" CS-mount cameras that support DC auto iris control. After mounting, adjust focal length and focus for the desired field of view, then verify image sharpness under both daylight and IR illumination.