By: SecOptx
Security & Machine Vision Optics
Contact us for lowest price (800) 284-2288, (858) 565-1101,, or fax (858) 300-4193
3.5mm Fixed Lens
The SecOptx HFC3-5M is a 3.5mm fixed focal length lens.
3.5mm fixed focal length lens
Manual Iris
C mount
1/2" Format
Compatible with 1/2", 1/3" and 1/4" cameras
Focal Length 3.5mm
Max. Relative Aperture 1: 1.6
Iris F1.6-Close
Zoom Ratio N/A
Angular Field of View 1/2": 84.9° x 68.9° @ 3.5mm
1/3": 68.9° x 54.4° @ 3.5mm
1/4": 54.4° x 42.2° @ 3.5mm
Minimum Object Distance (M.O.D.) 0.1m (From Front Vertex)
Object Dimensions at M.O.D. 20.6 x 16.0cm
Optical Back Focal Distance 11.45mm (In Air)
Flange Back 17.526mm
Operation Zoom N/A
Focus Manual
Iris Manual
Operation Temperature -10 - 50°C ( 14 - 122°F)
Filter Size 43mm Po.75
Mount C-Mount (Adjustable Lens Position)
Size, Approx. Ø45 x 37.5mm / Ø1.8 x 1.5in.
Weight 65g, 2.3oz.

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Prices and specifications subject to change without notice.