Ophir IR Optics 2024 Catalog

Property Value Optical WFOV NFOV Focal Length 20mm 275mm F/# 5.5 Cold Stop to FPA Distance 19.7mm Cold Stop CA Ø3.52mm Average Transmission (3.4-5µm) ≥92 (HD) / 87% (LRHC) Back Focal Length 23.52mm in air Minimum Focus Range 5m 50m Nuc (by defocus) Yes Mechanical Focus Mechanism Motorized Focus Time (minimum range to ∞) ≤8 sec. Zoom Mechanism Motorized Zoom Time (NFOV to WFOV) ≤5 sec. Through-zoom boresight Within a radius of 0.15mm at the focal plane Weight 264gr Max. Dimensions Ø58mm x 67.1mm LightIR 20-275mm f/5.5, Motorized Continuous Zoom 680314 WFOV(20mm) HFOV 640x512 28.0° NFOV(275mm) HFOV 640x512 1.9° 15μ 15μ MWIR | ZOOM 104 For latest updates please visit our website: www.ophiropt.com/infrared 07-2024