Machine Vision Lenses
Contact us for lowest price (800) 284-2288, (858) 565-1101,, or fax (858) 300-4193
1/3-inch - 1/2-inch Format Manual Iris Vari-focal Zoom Lens
The GOYO GM-28551MCN manual iris lens is the simplest type of iris control lens with a manual adjustment ring to set the opening in a fixed position. These are generally used for fixed lighting applications or where the camera is readily accessible.

The GM 28551MCN features 100 lp/mm center resolution and 5um pixel match.

Cost effective yet durable and simple in design
Megapixel models also available
Focal Length 8.5-51mm
Iris Range f/1.6-Close
Size 1/2"
Angle of View (H x V x D) Wide - Telephoto 31° x 23° - 5°5' x 4°5'
M.O.D 0.8m
Filter Thread M37.5 x P0.5
Dimension (D x L) ø44 x 78mm
Weight 125g

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Prices and specifications subject to change without notice.