By: Tokina
CCTV Security Surveillance Lenses
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1/2" Motorized Zoom Auto Iris Lens

The Tokina TM55Z1557AI 1/2" Motorized Zoom Auto Iris Lens is a high-quality 55x lens designed for C-mount CCTV cameras with 1/2” sensors. The lens features an iris range of f/5.7 to 560, which makes it suitable for surveillance in low-light as well as bright-light conditions. The Auto Iris mechanism ensures that the camera captures detailed images even in areas with varying illumination.

TM55Z1557AI features include:

  • Designed for C-mount CCTV cameras with 1/2" sensors
  • 15-825mm focal length
  • SD (Super-low dispersion) glass to reduce chromatic aberration for improved image quality
  • Iris range of f/5.7 to 560 ensures enhanced performance in low-light as well as bright-light conditions
  • Auto Iris mechanism for automatic iris adjustment in constantly changing light levels
Image Format 1/2"
Mount C
Focal Length 15-825 mm
Aperture Range 1:5.7-560
Zoom 55x motorized
Angle of View Wide: 23.48°, Tele: 0.46° (1/2")
Wide: 17.67°, Tele: 0.34° (1/3")
Minimum Object Distance (M.O.D.) 16' (5 m)
Filter Size M95mm P=1.0
Back Focal Length 59.814 mm
Iris Video Auto Iris
Focus Motorized
Operating Temperature 14 to 122°F (-10 to 50°C)
Dimensions 5.1 x 4.7 x 12.6" (132 x 120.5 x 320.5 mm)
Weight 8.9 lb (4070 g)

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Prices and specifications subject to change without notice.