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  • 2.8-12mm Auto-Iris Varifocal 3-Megapixel CCTV Lens 1/2.7 inch F1.4 Wide Angle
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2.8-12mm Auto-Iris Varifocal 3-Megapixel CCTV Lens 1/2.7 inch F1.4 Wide Angle

2.8-12mm Auto-Iris Varifocal 3-Megapixel CCTV Lens 1/2.7 inch F1.4 Wide Angle New / M7-TT02812D.IR-SD(3MP)

$39.99 $45.99 List Price You Save: $6.00 (13.05%)
ITEM# M7-TT02812D.IR-SD(3MP)
UPC 018406629114
Weight> 0.16 lb.
STATUS Available
QUANTITY
  • 3 MP Megapixel Lens with IR correction HD 1080 P
  • DC-IRIS 
  • IR Collection
  • 1/2.7" Vari-Focal Lens
  • Focal Length: 2.8mm - 12 mm
  • Aperture Ratio: 1:1.4
  • TV Distortion: 1/2.8" 1080P - 15% (Wide)
  • Mount type: CS
  • Auto Iris control
  • High Resoution MP Multicoating

Parameters of Lens

Model M7-TT02812D.IR-S(3MP)
Format (inch) 1/2.7" (Max)
Focal Length (mm) 2.8 - 12 mm HD 1080 P
Aperture(D/f') 1:1.4
Mount CS
Horizontal Field 1/2.8" 1080P 106° ~ 32°
Dimension (mm) Φ 29 x 44 x 43
Weight (g) 40g ±4g
M.O.D (m) 0.3 m
Angle ±2°
Chief Ray Angle (Max) <8°
TV Distortion 1/2.8” 1080P -15% (wide)
Operation Focus (w/lock)
Zoom (w/lock)
Iris DC
Size
Tolerance (mm) Dimension X_XX X_X X_ Unit
Tolerance ±0.01 ±0.05 ±0.10 mm
0~10 ±0.05 10~30 ±0.10 30~120 ±0.20

Auto Iris

Auto Iris DC Resistance Excite 200Ω ± 10%
Brake 560Ω ± 10%
Operating Voltage C → O 0.9V ~ 3V
O → C 0.5V min
Iris Wiring Instruction A. Drive -
B. Drive +
C. Damp+
D. Damp-
Iris Line Length: 300mm
Operating Parameters Ambient Temperature Relative Humidity(35°C)
-20° ~ +50°C 95% ~ 98%

Varifocal Lens

This lens has two(2) focal distance.The change of Tele/wide can be done with zooming.In case you want to make focus at an optional position between Tele/wide you must re-adjust focusing once again.

Direct Drive Iris

This lens is not built-in amplifier for auto iris (AUTO IRIS CONTROL PRINTED CIRCUIT BOARD).Iris blade on lens is being operated by DC from camera accordingly.Please use this lens with conbination of camera built-in auto iris amplifier (DC-iris) or camera which can be switchable for Video slgnal/DC Iris.

Adjustment Of Fixing Position

Fixing between mount and camera must be tumed right toward camera to the end tightly. Lens must be tumed to opposite direction (not clockwise) and you can adjust fixing position of lens quite easily.As per sketch No.1 part of Galvanometric meter must be positioned on left side toward front of camera when you fix lens on camera.When you want to take lens off from camera,you must turn lens to left direction.

Maintenance and Attention

  • Carefully make sure that the format size and mount type are suitable for the camera.
  • Do not use this lens in an environment that includes high temperatures and humidity or strong vibration .
  • Do not touch the surface of the lens ,and keep the cap on the lens when not in use.
  • When using this lens with a camera housing,keep more than 10mm from the front lens to the glass at the front of the housing.
  • Do not take this unit apart or alter the internal mechanism.
  • We are not responsible for malfunctions due to customer's modification or mishandling of product.
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