Edmund Optics C-Mount 2/3″ 50mm f/2.0 (C Series)


Edmund Optics ultra-compact, TECHSPEC® C Series Fixed Focal Length Lenses are designed for use in machine vision applications with the working distance and resolution requirements of factory automation and inspection in mind. TECHSPEC® C Series Fixed Focal Length Lenses feature large maximum apertures, allowing these high performance lenses to be used in even the most restrictive lighting conditions. Each lens has a broadband anti-reflection coating, locking iris and focus adjustment with recessed set screws, and a ruggedized, robust housing for space-restrictive applications.



Edmund Optics Model #59-873
Focal Length50 mm
Field of View @ Max Sensor Format42.5mm – 8.5°
Working Distance250mm – ∞
Field of View, 1/2″ Sensor:31.0mm – 6.2°
Field of View, 1/3″ Sensor:23.0mm – 4.6°
Field of View, 2/3″ Sensor:42.5mm – 8.5°
Number of Elements (Groups)6 (4)
TypeFixed Focal Length Lens
Maximum Length53.7 mm
Maximum Sensor Format2/3″
Coating425 – 675nm BBAR
Field of View, 1/1.8″ Sensor34.7mm – 6.9°
Field of View, 1/2.5″ Sensor27.6mm – 5.5°
Field of View, 1/4″ Sensor17.2mm – 3.5°
Aperture (f/#)f/2 – f/22
Numerical Aperture NA, Object Side0.018
Outer Diameter35.8 mm
Weight107 g
Fixing Knobs Bundled4 total: 2x normal, 2x recessed

USD $425.00

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SKU: EOC0500 Category:

Technical Drawings

Edmund Optics Technical Drawing 59873

The following IP67 lens tube has been tested to show no clipping or vignetting with this lens.