Edmund Optics C-Mount 2/3″ 25mm f/1.4 (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 #59-871
Focal Length25 mm
Field of View @ Max Sensor Format36.6mm – 19.7°
Working Distance100mm – ∞
Field of View, 1/2″ Sensor:26.5mm – 14.4°
Field of View, 1/3″ Sensor:19.9mm – 10.9°
Field of View, 2/3″ Sensor:36.6mm – 19.7°
Number of Elements (Groups)7 (6)
TypeFixed Focal Length Lens
Maximum Length30.5 mm
Maximum Sensor Format2/3″
Coating425 – 675nm BBAR
Field of View, 1/1.8″ Sensor29.9mm – 16.2°
Field of View, 1/2.5″ Sensor24.0mm – 13.1°
Field of View, 1/4″ Sensor14.9mm – 8.1°
Aperture (f/#)f/1.4 – f/16
Numerical Aperture NA, Object Side0.023
Outer Diameter31.0 mm
Weight49 g
Fixing Knobs Bundled4 total: 2x normal, 2x recessed

USD $320.00

Login to see prices
SKU: EOC0250 Category:

Technical Drawings

Edmund Optics Technical Drawing 59871

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