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35mm f/1.2 Athermalized Lenses for LWIR

Code: 301-023

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Optical Property

Focal Length 35mm F/# 1.2
Operating Wavelength Range 8μm to 12μm Coating on Front Surface Exposing to Air AR
Calculated Average Transmission >88% Operating Temperature Range -40℃ to +60℃
Focus Range 1m to infinite Distortion (Diagonal FOV) <3.5%


Mechanical Property

Focusing Mechanism fixed Weight /
Materials of Lens Housing Anodized aluminium Max. Dimensions (Diameter x Length) Φ37x32.5
Installation Way Screw thread connection Back Working Distance (B.W.D) 8mm
Connector M25x0.5-6g Sealing Grade IP67


FOV(H X V) 160x120 320x240 384x288 640x480 1024x768
12μm 3.1°x2.4° 6.3°x4.7° 7.5°x5.7° 12.5°x9.4°  
17μm 4.5°x3.3° 8.9°x6.7° 10.6°x8.0° 17.4°x13.2°  
25μm 6.5x4.9° 13°x9.8° 15.4°x11.7°    
5-6 weeks