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Home > Frequently Asked Questions > Products > Accessories > What is an achromatic collimating lens and why would I use one?

What is an achromatic collimating lens and why would I use one?

An achromatic doublet like our 74-ACR comprises two lenses and is designed to greatly reduce chromatic aberrations. The result is a consistent FOV for the sampling setup, where “contamination” of the spectrum caused by wavelengths outside the optimal FOV is eliminated. Applications including absolute irradiance may benefit the most from the use of an achromatic collimating lens.

 

 

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