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90mm f/1.0 and 275mm f/1.2 Dual FOV Lenses for LWIR Thermal Camera

Code: 304-007

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Optical Parameters:

Focal Length 90mm/275mm Calculated Average Transmission >84%
F/# 1.0/1.2 Operating Temperature Range -40℃ to +60℃
Operating Wavelength Range 8μm to 12μm Minimum Focus Range 5m /20m
Coating on Front Surface Exposing to Air DLC Distortion (Diagonal FOV) <1%


Mechanical Specifications:

Focusing Mechanism Motorized Installation Way Flange
Weight / Flange Focal Distance 20mm
Materials of Lens Housing Anodized aluminium Connector Refer to drawing
Max. Dimensions   (Diameter x Length) ɸ260x480 Sealing Grade IP67



Zoom, focus mechanism DC gear motor control Zoom, focus position feedback Encoder motor
Zoom, focus driving voltage 12V DC


FOV-Sensor Size:

FOV(H X V) 384x288 640x480
12μm 2.9° /0.96° 4.89°/1.6°
17μm 4.1° /1.3° 6.9°/2.2°
25μm 6.1° /2.0°  
7-8 weeks