Edmund Optics C-Mount 2/3″ 8.5mm f/1.3 (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 #58-000
Focal Length8.5 mm
Field of View @ Max Sensor Format128.6mm – 60.6°
Working Distance100mm – ∞
Field of View, 1/2″ Sensor:88.3mm – 43.6°
Field of View, 1/3″ Sensor:64.6mm – 32.6°
Field of View, 2/3″ Sensor:128.6mm – 60.6°
Number of Elements (Groups)7 (5)
TypeFixed Focal Length Lens
Maximum Length34.50 mm
Maximum Sensor Format2/3″
Coating425 – 675nm BBAR
Field of View, 1/1.8″ Sensor101.0mm – 49.2°
Field of View, 1/2.5″ Sensor79.2mm – 39.5°
Field of View, 1/4″ Sensor47.8mm – 24.4°
Aperture (f/#)f/1.3 – f/16
Numerical Aperture NA, Object Side0.003
Outer Diameter32.00 mm
Weight80 g
Fixing Knobs Bundled4 total: 2x normal, 2x recessed

USD $320.00

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SKU: EOC0085 Category:

Technical Drawings

Edmund Optics Technical Drawing 58000

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