When a lense is described as of 4 inch focus, it means that such a lens is capable of bringing parallel rays to a point at a distance of 4 inches from the lens.
Source: wiktionary
Lense
Synonyms for "lense" (8 found)
Ranked by relevance and common usage.
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
More general
7 entriesMore specific
8 entriesaspheric lensbiconvex lensconverging lensdiverging lenseconomic lenshistorical lensmoral lenspolitical lens
Collocations
6 entriescamera lenscontact lensconverging lensdiverging lenseyeglass lensoptical lens
Inflections
1 entriesDerivations
3 entriesSample sentences
2 total sentences available.
Basically, a beam of light passing through a lens parallel to the optical axis converges to form a focused image on the film. Spherical aberration is the term for an optical fault caused by the spherical form of a lense that produces different […]
Source: wiktionary