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Description
Premium SWIR lenses for 900–1700nm wavelength range, available in 25mm, 75mm, 200mm, and 400mm focal lengths. Designed for 1" sensors with C-Mount compatibility, offering excellent transmission, low distortion, and high resolution for SWIR imaging, inspection, and research applications.
Main Features
■ High performance, high resolution
■ Safe and non-heat design, C-Mount
■ High reliability and high tightness
■ Special infrared materials and coating design to ensure high transmittance in the infrared band
| Model | 
 EFL 
 | 
 Aperture 
 | 
 Field of View 
 | 
|---|---|---|---|
| 
 VT-LEM2518SWIR-H1 
 | 
25mm | 
 F1.8 
 | 
 35.49° /28.5° /21.74° 
 | 
| 
 VT-LEM7525SWIR-H1 
 | 
75mm | 
 F2.5 
 | 
 9.08° /7.26° /5.45° 
 | 
| 
 VT-LEM20040SWIR-H1 
 | 
200mm | 
 F4-22 
 | 
 4.57°×3.66°×2.75° 
 | 
| 
 VT-LEM40056SWIR-H1 
 | 
400mm | 
 F5.6 
 | 
 2.29°X1.83°X1.37° 
 | 

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