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The computar TG5Z8513AFCS-IR 1/3” Varifocal Telephoto Lens with Amplifier (8.5-40mm) helps in closer examination of the activities in your premises. It is designed for use with CS-mount day/night cameras with 1/3” format sensors. This lens facilitates easy focal length adjustments without having to move the camera from its installation point.
With an aperture of f/1.3 to 360, the lens is suitable for surveillance in low-light as well as bright-light conditions. In addition, this IR-corrected day/night lens captures clear images, eliminating focus shift and infrared bleed.
Designed for CS-mount cameras with 1/3" sensors
8.5-40mm focal length to clearly capture scenes requiring different focus settings
Easy focal length adjustments
Aperture of f/1.3 to 360 ensures enhanced performance in low-light as well as bright-light conditions
Auto Iris mechanism ensures that the camera captures detailed images even in areas with varying light intensity
Infrared correction eliminates focus shift and IR bleed, making the lens suitable for 24-hour surveillance operations
Video driven lens with amplifier circuitry for converting the video signal from the camera into iris motor control
Aspherical lens surface ensures that the images have corner-to-corner sharpness for all aperture settings
Comes with locking set screws and a durable metal barrel & mount
In the Box
computar TG5Z8513AFCS-IR 1/3" Varifocal Telephoto Lens with Amplifier (8.5-40mm)
Table of Contents
4.8 x 3.6 mm (ø6 mm)
Iris: F1.3 to F360 Focus: 2.62' to infinity (0.8 m to infinity) Zoom: 0.33 to 1.57" (8.5 to 40 mm)
Iris: Auto Iris Focus / Zoom: Manual
Angle of View
1/3-type: 43.9 to 8.9° (D), 33.5 to 7.1° (H), 24.4 to 5.3° (V)
8.5 to 16 VDC
Less than 40 mA
2 sec approximately
Light Weighting Method
Adjustable between average - peak (to be set at average at factory)
Video signal (V. or V.S.)
15% accurate at video signal level
0.5 to 1.0 Vpp (video signal)
-4 to 122°F (-20 to 50°C)
Effective Lens Aperture
Front: ø27.0 mm Rear: ø9.3 mm
Back Focal Length
Tele: 0.41" (10.6 mm) Wide: 0.35" (9.0 mm)
Flange Back Length
0.49" (12.5 mm)
M37.5 P= 0.01" (0.5 mm)
Object Dimensions at M.O.D.
At 8.5 mm: 18.93 x 13.58" (481 x 345 mm) At 40 mm: 3.93 x 29.52" (100 x 750 mm)