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What is the difference between ordinary and super-large field of view infrared optical lens?

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What is the difference between ordinary and super-large field of view infrared optical lens?

Update Time:2021/12/28
What is the difference between super-large field of view infrared optical lens and ordinary infrared optical lens?

A. The infrared optical lens with super large field of view has great distortion


B. Has a large negative vignetting


C. Need athermalized design


D. Different important factors in phase quality evaluation


 From: Infrared and Laser Engineering Volume 49 Issue 6 Ultra-large field of view infrared optics