ili:i52171
http:| rdf: | type | |
| skos: | definition | optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam |
Cross-lingual relations
| ∴dns: | linked concept | en: collimator |
Other
| Source | http: |
∴ fully or partially logically inferred