Computar - AG3Z2812KCS-MPWIR - 5MP HD SeriesCS-Mount , 2.8-8.5mm Varifocal Lens

Product Overview

Computar AG3Z2812KCS-MPWIR is a 5MP HD varifocal lens designed for 1/2.7" format sensors. It features a 2.8-8.5mm focal length range with F1.2 maximum aperture, P-iris control for precise exposure management, and IR-corrected optics. The lens includes CS-Mount interface, manual focus and zoom adjustment, and is compatible with full HD and 5MP cameras.

Key Configuration

• • Focal length: 2.8mm – 8.5mm (varifocal); maximum aperture ratio: 1:1.2; iris range: F1.2 – F16C
• • Image format: 3.2 × 5.8 mm (φ6.6 mm diagonal); max sensor format: 1/2.7"
• • Focus range: 0.5 m – ∞ (minimum object distance)
• • Mount: CS-Mount; flange back length: 12.5 mm
• • Dimensions: φ40 mm × 49 mm × 59 mm; front aperture: φ24.8 mm; rear aperture: φ8.4 mm

Key Features

This delivers high-definition 5 megapixel resolution and features IR corrected optics to maintain consistent focus across both visible and infrared spectrums. It utilizes a P-iris driven by a stepping motor for precise control over exposure and depth of field, complemented by corner brightness optimization for uniform illumination. The design allows for exact image tuning via manual focus and zoom controls, while the series offers additional flexibility with DC auto iris and manual variants.

Technical Context

It maintains a consistent back focal length of 7.3mm at both wide and telephoto settings. It offers a broad field of view on 1/2.7" sensors, ranging from a wide 124.7° to 41.3° horizontally, while 1/3" sensors provide a horizontal range of 99.1° to 34.1°. Exposure and depth of field are managed through a precise P-iris control system powered by an integrated stepping motor.

Installation Notes

The features a compact form factor measuring 40 mm in diameter by 59 mm in length, and it weighs 66g. It uses a CS-Mount system and operates reliably in temperatures ranging from -10°C to +50°C. For image adjustment, it utilizes a stepping motor for precise P-iris control alongside manual rings for both focus and zoom.