Ophir IR Optics 2025 Catalog

WFOV(28mm) HFOV 640x512 1280x1024 19.8° 39.8° NFOV(850mm) HFOV 640x512 1280x1024 0.6° 1.3° Property Value Optical WFOV NFOV Focal Length 28mm 850mm F/# 5.5 76% (HD) Cold Stop to FPA Distance 28mm Cold Stop Ca Ø5.09mm Back Focal Length ≥37.6mm in air Minimum Focus Range 3m 50m Nuc (by defocus) Yes Mechanical Focus Mechanism Motorized Focus Time (minimum range to ∞) ≤8 sec. Zoom Mechanism Motorized Zoom Time (NFOV to WFOV) ≤8 sec. Weight 4.6kg Max. Dimensions Length 256mm; Width176mm; Height 257.5mm FoldIR 28-850mm f/5.5, Motorized Continuous Zoom 680072* HD FORMAT * Requires export license MWIR | ZOOM 124 For latest updates please visit our website: www.ophiropt.com/infrared-optics 03-2025