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DG Series Fixed Focal Length Lenses

75mm Focal Length, #54-691
18mm Focal Length, #54-857
50mm Focal Length, #54-690
25mm Focal Length, #55-326
35mm Focal Length, #54-689

75mm Focal Length, #54-691

18mm Focal Length, #54-857

50mm Focal Length, #54-690

25mm Focal Length, #55-326

35mm Focal Length, #54-689


  • 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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