Ophir IR Optics 2025 Catalog

SupIR 73.1mm f/1.05, Fixed Athermalized 680311 TYPICAL ICD* Property Value Optical Focal Length 73.1mm F# 1.05 Average transmission (8-12μm) 91% (HD) / 88% (HC) Back Focal Length 24.68mm in air Mechanical Focus Mechanism Fixed Depth of Field 300m to infinity Focus Range 5m to infinity Weight 380gr Max. Dimensions Ø82mm x 83.5mm Environmental Operation Temperature -40°C to +80°C Storage Temperature -54°C to +85°C Sealing IP 67 front element only Configurations Weight (gr) Dimensions BWD** Thread Coating 680311-001 380 Ø82mm x 83.5mm 6 M34x0.5 HD 680311-002 HC HFOV 320x240 384x288 640x480 1024x768 17μ 4.3° 5.0° 8.5° 12μ 3.0° 3.6° 6.0° 9.55° 10μ 2.5° 3.0° 5.0° 7.98° * The ICD drawing provided here is primarily a representation and may not accurately reflect the product's actual dimensions and specifications. For precise integration specifications contact your local sales representative. ** The BWD value is calculated for a unique detector setup with varying sealing windows in terms of thickness and material. For more details, contact your local sales representative. LWIR | 1-FOV 61 For latest updates please visit our website: www.ophiropt.com/infrared-optics 03-2025