Assertion: long focus lens | /r/HasAspect | small spacing
Facets:
value: very
type: DEGREE
Source sentences:
text: Recessed lensboards are also sometimes used to get the rear element of a wide angle lens close enough to the film plane; they may also be of use with telephoto lenses, since these compressed long-focus lenses may also have very small spacing between the back of the lens and the film plane.