250mm f/2.0 Manual Focus MWIR Thermal Camera Lenses for Cooled Detetor

Code: 311-008

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Optical Parameters:

Focal Length(EFL)	250mm	f Number (f#)	2.0
Wavelength Range	3~3.5 micro	Detector	640x512-15micro, cooled
FOV	2.2°x1.67°	Coating	AR
Average Transmittance	>86%	Working Temperature Range	-30℃~50℃
Minimum Working Distance	15mm	Distortion	Maximum D-FOV Distortion:<3%

Mechanical Parameters:

Dimensions	Length:216.42, Diameter:Ф142	Focus Mechanism	Internal Manual Focusing
Sealing	IP54	Mount	M80x1-6g Back Flange Distance: 52.245
Housing Material	Aluminum, Black anodized	Operation Temperature	-30℃~ +55℃
Storage Temperature	-50℃~ +70℃	Weight	/

250mm f/2.0 manual focus lens module is compliant with cooled FPA detectors ( InSb Focal Plane Arrays ) of 640x512-15μm, operating at the MWIR wavelength range 3.5~5.0μm. The lens module is optimized for high transmission, superior MTF and low distortion. The sealing grade of the housing is IP54. Modifications of the parameters could be arranged upon your request.

Drawing:

Testing Results and Curves:

1. MTF@33lp/mm

2. Field Curvature and Distortion

3.Relative Illumination

4.Vignetting

250mm

M250F2.0-man

2.0

Manual

Enquire

2 month