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75mm f/1.4 Athermalized Lenses for LWIR

Code: 301-032

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Optical Parameters:

Focal Length 75mm F/# 1.4
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 5m to infinite Distortion (Diagonal FOV) <4%


Mechanical Specifications:

Focusing Mechanism fixed Weight /
Materials of Lens Housing Anodized aluminium Max. Dimensions (Diameter x Length) Φ65x69.58
Installation Way Screw thread connection Back Working Distance (B.W.D) 9.7mm
Connector M34x0.5-6g Sealing Grade IP67


FOV-Sensor Size:

FOV(H X V) 160x120 320x240 384x288 640x480 1024x768
12μm 1.5°x1.1° 2.9°x2.2° 3.5°x2.6° 5.9°x4.4° 9.4°x7°
17μm 2.1°x1.6° 4.2°x3.1° 4.9°x7.3° 8.3°x6.2° 13.2°x9.9°
25μm 3.1x2.3° 6.1°x4.6° 7.3°x5.5° 12.2°x9.1°  
5-6 weeks