article

A lens is a device for either concentrating or diverging light, usually formed from a piece of shaped glass. Analogous devices used with other types of electromagnetic radiation are also called lenses.

Optical devices

Catégorie:Lentille

 

This article is licensed under the GNU Free Documentation License. It uses material from the "Category:Lenses".

Home Pageartsbusinesscomputersgameshealthhospitalshomekids & teensnewsphysiciansrecreationreferenceregionalscienceshoppingsocietysportsworld