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400mm F2.0 Cooled MWIR Thermal Camera Lens with Manual Focusing

Code: 311-010

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Optical Parameters:

Focal Length(EFL) 400mm f Number (f#) 2.0
Wavelength Range 3.5μm~5μm Detector 640x512-15micro, cooled
FOV 1.38°x1.1°(1.76°) Coating AR or DLC
Average Transmittance

>81% for DLC external coating >86% for AR external coating

Working Temperature Range -40℃~60℃
Minimum Working Distance 40mm Distortion Maximum D-FOV Distortion:<3.5%
BEL 48.55mm


Mechanical Parameters:

Dimensions Length:290.88mm Diameter:225mm Focus Mechanism Internal Manual Focusing
Sealing IP54 Mount M80x1-6g Back Flange Distance: 52.245
Housing Material Aluminum, Black anodized Operation Temperature -40℃~ +60℃
Storage Temperature -50℃~ +70℃ Weight ~5000gram

The lens module 400mmF2.0 manual is designed for cooled detector ( InSb FPA Focal Plane Arrays ) of 640x512-15μm of MWIR wavelength range 3.5~5.0μm, it is optimized optically for high transmission, good MTF and low distortion. The sealing of the housing is IP54, it is weight less than 5000grams. The improvements and changes of the design is available for customer’s special request.




2.Field Curve and Distortion


3.Relative Illumination




2 month