Assertion: telephoto lens's length | /r/HasProperty | equal
Facets:
value: except in macro photography
type: OTHER
value: nearly
type: DEGREE
Source sentences:
text: In fact, if the lens' physical length, when focused at infinity, and its focal length are equal it should accurately be called a long lens.
text: In fact, if the lens' physical length, when focused at infinity, and its focal length are equal it should accurately be called a long lens.
text: The effective focal length is nearly equal to the stated focal length of the lens (F), except in macro photography where the lens-to-object distance is comparable to the focal length.
text: A high-quality prime lens whose focal length is about equal to the diameter of the film frame or sensor may be constructed from as few as four separate lens elements, often as pairs on either side of the aperture diaphragm.