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C LENS, 1/2-INCH, 8.5 TO 85MM, IR CORRECTED, AUTO IRIS

The Bosch LTC 3783/51 Zoom Lens is a C-mount type lens with a focal length range of 8.5-85mm and an iris control range of F1.6-360. It provides a 10x zoom, and is IR-corrected for easy switching between color and B&W as per changes in ambient lighting. The lens supports 1/2” image format and enables the camera to deliver crisp picture quality.

LTC 3783/51 features include:

  • Focal length of 8.5-85 mm
  • Iris control range of F1.6-360
  • 10x zoom
  • Wavelength of 400-950 nm
  • IR-corrected for easy switching between color and B&W as per changes in ambient lighting
  • Pre-positioning settings
  • Supports 1/2" image format
  • Zoom lens is C-mount type
  • 4-pin standard plug
Imager Size 1/2"
Mount Type C
Focal Length 8.5-85mm (10x)
Aperture Color: F1.6-360
IR: F1.6-180
Wavelength 400 to 950 nm
Iris Operation Iris Control: 4-pin Video-iris
Op. Voltage: 8 to 15 VDC
Response Speed: approx. 2 sec
Op. Current: 40 mA
Input Signal: VS or V
Impedance: 5 kOhm
Iris Accuracy: +/- 20% of V-signal
Sensitivity: 0.5 - 1.0Vpp of V-signal
Autoiris Override: Yes
Zoom Operation Zoom control: Motor drive
Zoom Speed: 5 sec (adjustable)
Op. Voltage: 6 to 12 VDC
Op. Current: 60 mA
Focus Operation Focus control: Motor drive
Focus Speed: 5 sec (adjustable)
Op. Voltage: 6 to 12 VDC
Op. Current: 60 mA
Angle of View 1/3" Wide: 31.3 x 23.5°
1/3" Tele: 3.28 x 2.47°

1/2" Wide: 41.5 x 31.3°
1/2" Tele: 4.34 x 3.28°
Minimum Object Distance (M.O.D.) 5' (1.5m)
Back Focal Distance 0.3" (14.7mm)
Flange Focal Distance Flange back distance: 17.526mm
Operating Temperature 14 ~ 122°F (-10 ~ 50°C)
Dimensions (WxL) 3 x 5.3" (76 x 135mm)
Weight 2 lb (900g)


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Prices and specifications subject to change without notice.