Sign up to make the most of YourDictionary
By signing in, you agree to our Terms and Conditions
We'll see you in your inbox soon.
A similar argument may be applied to find at what point an achromatic lens becomes sensibly superior to a single one.
If not, the substitution of an achromatic lens will be of no advantage.
Calculation shows that, if the aperture be s in., an achromatic lens has no sensible advantage if the focal length be greater than about II in.
Find similar words to achromatic-lens using the buttons