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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

50mm C Series VIS-NIR Fixed Focal Length Lens

50mm VIS-NIR, #67-717

50mm VIS-NIR, #67-717

Stock #67-717
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Focal Length FL (mm):
Maximum Sensor Format:
Aperture (f/#):
f/2 - f/22
Working Distance (mm):
250 - ∞
Maximum Image Circle (mm):
Numerical Aperture NA, Object Side:
Entrance Pupil Position (mm):
Exit Pupil Position (mm):
Object Space Principal Plane (mm):
Image Space Principal Plane (mm):
Primary Magnification PMAG:
Field of View at Max Sensor Format:
Horizontal: 42.7mm - 10°
Vertical: 32mm - 7.5°
Diagonal: 53.5mm - 12.5°
Horizontal Field of View, 2/3" Sensor:
42.7mm - 10.0°
Horizontal Field of View, 1/1.8" Sensor:
34.9mm - 8.2°
Horizontal Field of View, 1/2" Sensor:
31.0mm - 7.3°
Horizontal Field of View, 1/2.5" Sensor:
28.1mm - 6.6°
Horizontal Field of View, 1/3" Sensor:
23.3mm - 5.5°
Horizontal Field of View, 1/4" Sensor:
17.4mm - 4.1°
Maximum Distortion:
Coating Specification:
425 - 1000nm BBAR
Filter Thread:
M30.5 x 0.5 (Female)
Length (mm):
Maximum Diameter (mm):
Maximum Rear Protrusion (mm):
Number of Elements (Groups):
6 (4)
Iris Option:
Fixed Focal Length Lens
Weight (g):

Regulatory Compliance

RoHS 2015:
REACH 201:

Product Family Description

  • Compact Broadband Lens for 425-1000nm Wavelength Range
  • Up to 7.5 MegaPixels, 2.8μm Pixel Size Sensors
  • Up to 2/3", C-Mount Lens
  • 3.5mm to 50mm Focal Length

TECHSPEC® C Series VIS-NIR Fixed Focal Length Lenses are designed for use in machine vision applications that require NIR or VIS-NIR performance, with the working distance and resolution requirements of factory automation and inspection in mind. Featuring large maximum apertures and a Broadband Anti-Reflection (BBAR) coating designed out to 1000nm, these high performance lenses can be used in even the most restrictive lighting conditions. TECHSPEC® C Series VIS-NIR Fixed Focal Length Lenses are manufactured to a high tolerance, resulting in greater levels of imaging performance and low lens-to-lens variation, assuring simple installing into multiple systems. By combining high optical performance, industrial features, and small package size, the C Series VIS-NIR lenses represent a new standard in factory automation optics.

Also available with a VIS Broadband Anti-Reflection (BBAR) Coating.

Note: For IR imaging alone, UV-VIS Cut Filters are available and thread directly onto the front filter threads of the 4.5mm, 16mm, 25mm, 35mm and 50mm FL lenses. 

Technical Information

Focal Length A B C D
16mm 33.0mm 40.5mm 33.0mm 1.0mm
25mm 31.0mm 30.5mm 31.0mm 1.3mm
35mm 33.0mm 41.0mm 33.0mm 0mm
50mm 35.8mm 53.7mm 35.8mm 2.85mm