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20mm f/1.0 Athermalized Lenses for LWIR

Code: 301-017

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Optical Property

Focal Length 20mm F/# 1.0
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 0.5m to infinite Distortion (Diagonal FOV) <7.5%


Mechanical Property

Focusing Mechanism fixed Weight <35g
Materials of Lens Housing Anodized aluminium Max. Dimensions (Diameter x Length) ɸ30x23.76
Installation Way Screw thread connection Back Working Distance (B.W.D) 8.14mm
Connector M28x0.75-6g Sealing Grade IP67


FOV(H X V) 160x120 320x240 384x288 640x480 1024x768
12μm 5.5°x4.1° 11°x8.2° 13.1°x9.9° 21.7°x16.4°  
17μm 4.1°x3.1° 8.2°x6.1° 18.5°x14.0° 30.4°x23.1°  
25μm - - 11.5°x8.7° 35.5°x27°  
5-6 weeks