180mm f/2.0 LWIR Thermal Imaging Motorized Lenses for Cooled FPA at 7.7-9.4 Micro

Code: 303-048

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Optical Parameters:

Focal Length(f’)	180mm	F Number(#)	2.0
Wavelength Range	7.7~9.4 micro	Detectors	640x512-15μm, cooled
FOV	3°x2.4°(3.85°)	External Coating	AR
Average Transmission	>83%	Overall Optical Length	200mm
Back Focal Length	41.32mm(1.64mm from the protective windows)	Minimum Working Distance	5M
Distortion	Maximum D-FOV Distortion<1%

Mechanical Parameters:

Dimension	Dia124mmx165mm length	Focus Mechanism	Motorized, DC motor
Connector	Flange, 6-M3, Dia119mm	Driver Voltage	12V DC
Sealing Grade	IP67	Housing Material	Aluminium, anodized
Storage Temperature	-50℃ ~ +70℃	Working Temperature	-40℃ ~ +60℃
Weight	~ 1kg

This lens module is of a built-in motorized mechanism, with a focal length of 180mm and an f-number 2.0, it is oriented for cooled detectors at the LWIR wavelength range of 7.7-9.4 micro. it is optimized with high transmission, superior MTF, and low distortion. The sealing grade of the housing is IP67, the weight about 1kg. Modification in specifications for this module is acceptable.

Curves:

1.MTF Testing Report

2.Field Curves and Distortion

3.Relative Illumination

4.Vignetting

180mm

L180F2.0-mot

2.0

Motorized

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5-6 weeks