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13mm F2.0 Optical Athermalized Lens for MWIR Thermal Cameras

Code: 311-001

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Optical Parameters:

Focal Length (EFL) 13mm f Number (f#) 2.0
Wavelength Range 3.7~4.8 micro Detector 640x512-15micro
FOV 40.53°x32.91°(50.61°) Coating DLC+AR
Average Transmittance >81% Working Temperature Range -40℃ ~ +50℃ (Need not to refocus)
Maximum Diameter 24mm Overall Optical Length 75mm
BFL 29.63mm (5mm in air, 24.63mm in detector) Distortion <5%

13mm F2.0 athermalized lens module is designed for cooled detector ( InSb FPA Focal Plane Arrays) of 640x512-15μm at MWIR wavelength range 3.7~4.8micro, 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

13mm
M13F2.0-ath
2.0
Athermalized
Enquire
2 month