BSL Sign Language Dictionary

Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.

Android app on Google Play
NEW View all these signs in the Sign BSL Android App. Download for free.

Fresnel lens

How to sign: lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length

Sorry, no video found for this word.

Categories: lens, lense, lens system

Do you know the sign for this?

Upload your sign now.

Upload