Seiwa Optical
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Frequently Asked Questions

The lens is color corrected from 1000nm-2000nm wavelength.

The resolution is calculated as a theoretical based on NA of wavelength 1550 nm. For PE IR 20X 2000 HR, the resolution is 1.6 μm and for PE IR 50X 2000 HR, the resolution is 1.4 μm.

Yes, silicon correction is needed for using the lens. Compensating glass is needed for silicon correction, which is optional.

The working distance of PEIR 50x 2000HR is a provisional value.

The lens is suitable for microscopy, vision, and metrology applications.

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