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50mm F2.0 Optical Athermalized Lens for MWIR Thermal Cameras

Code: 311-003

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Optical Parameters:

Focal Length(EFL) 50mm f Number (f#) 2.0
Wavelength Range 3.7~4.8 micro Detector 640x512-15micro
FOV 10.97°x8.78°(14.02°) Coating DLC+AR
Average Transmittance >81% Working Temperature Range -40℃ ~ +50℃ (Need not to refocus)
Maximum Diameter 44mm Overall Optical Length 69.54mm
BFL 31.96mm (7.33mm in air, 24.63mm in detector) Distortion <5%

50mmF2.0 athermaiized lens module is designed for cooled detector ( InSb FPA Focal Plane Arrays ) of 640x512-15μm at MWIR wavelength range 3.7~4.8μm, it is optical passively athermalized, and is optimized optically for good MTF and low distortion at temperature range of -40℃ to +50℃. Please see the following data sheet and curves to get more information about this lens module. The improvements and changes of the design is available for customer’s special request

Curves:

1.MTF@33lp/mm




2.Spot Diagram




3.Field Curve and Distortion


4.Relative Illumination


5.Vignetting



50mm
M50F2.0-ath
2.0
Athermalized
Enquire
2 month