Edmund Optics C-Mount 1/2″ 6mm f/1.85 (UC Series)


Edmund Optics ultra-compact, TECHSPEC® UC Series Fixed Focal Length Lenses optimize performance, cost, and size without sacrificing quality or feel. Lenses feature focus and iris adjustments, recessed set screws, and are manufactured for use at typical machine vision working distances. Outstanding option for use on all smaller format camera sensors, along with both short and long working distance applications. Ideal for inspection, factory automation, biomedical devices, and a broad range of other applications.

*For US customers only*: This item is subject to a 25% US import tariff duty. To ensure seamless delivery and reduce delays with U.S. Customs and Border Protection, LUCID collects this duty at online checkout. For more details click here.


Edmund Optics Model #33-301
Focal Length6 mm
Field of View @ Max Sensor Format73.8mm – 60.0°
Distortion(%)<9.5% (on 1/2.5" Sensor)
Working Distance50 – ∞
Field of View, 1/2.5″ Sensor65.9mm – 54.6°
Field of View, 1/4″ Sensor39.2mm – 34.2°
Number of Elements (Groups)9 (8)
Optimized Sensor Format1/2.5″
TypeFixed Focal Length Lens
Maximum Length40.9 mm
Maximum Sensor Format1/2″
CoatingMgF2 (400-700nm)
Field of View, 1/2″ Sensor73.8mm – 60.0°
Field of View, 1/3″ Sensor53.4mm – 45.4°
Aperture (f/#)f/1.85 – f/11
Numerical Aperture NA, Object Side0.00775
Outer Diameter36.00 mm
Weight67 g
Locking Screws Bundled4 total: 2x normal, 2x recessed

USD $225.00

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SKU: EOUC060 Category:

Technical Drawings

Edmund Optics Lens 33301

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