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35mm DG Series Fixed Focal Length Lens

35mm Focal Length, #54-689

35mm Focal Length, #54-689

Stock #54-689
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Focal Length FL (mm):
Maximum Sensor Format:
Horizontal Field of View @ Max Sensor Format:
99.2mm - 23.0°
Aperture (f/#):
f/4 - Closed
Working Distance (mm):
240 - ∞
λ/4 MgF2
Distortion (%):
<0.3 @ 400mm WD
Horizontal Field of View, 1.1" Sensor:
99.2mm - 23.0°
Horizontal Field of View, 1" Sensor:
89.4mm - 20.8°
Horizontal Field of View, 1/1.8" Sensor:
50.3mm - 11.8°
Horizontal Field of View, 1/2" Sensor:
44.7mm - 10.5°
Horizontal Field of View, 1/2.5" Sensor:
40.5mm - 9.5°
Horizontal Field of View, 1/3" Sensor:
33.5mm - 7.9°
Horizontal Field of View, 1/4" Sensor:
25.1mm - 5.9°
Horizontal Field of View, 2/3" Sensor:
61.5mm - 14.4°
Filter Thread:
M37.0 x 0.75 (Female)
Primary Magnification PMAG:
0X - 0.15X
Iris Option:
Fixed Focal Length Lens
Weight (g):

Regulatory Compliance

RoHS 2015:
REACH 201:

Product Family Description

  • Double Gauss (DG) Design for Low Distortion, <0.3%
  • Supports Up to 4/3" Sensors
  • Low-Profile Static Housing for Machine Integration
  • Ideal for High Resolution Cameras

TECHSPEC® DG Series Fixed Focal Length Lenses utilize a Double Gauss design to provide high-performance, low distortion, compact size, and exceptional value, while exceeding the performance of typically available fixed focal length lenses. These lenses feature a mechanical design that allows the focusing movement to be motorized by the user, yields image resolution greater than 100 lp/mm, and have a standard C-Mount. For most applications, the camera-lens combination can be attached to workstations using the ¼-20 mount provided on the camera. TECHSPEC® DG Series Fixed Focal Length Lenses include focus ring, manual iris, and set screws to facilitate a low profile integration in machine vision applications. Typical applications for the DG Series lenses include machine vision, assembly-line integration, and measurement and image analysis.

Note: Industrial Boom Stands are recommended for building vibration-free workstations.

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