Isn't that what's refered to as a "standard" lens?
I dimly recall the term "prime lens" as being the
lens whose focal length was equal (at least roughly)
to the diagonal of the film frame. That made a 50mm
(or 45mm) lens "prime" for 35mm film.
A 135mm lens was then a "telephoto" and a 35mm lens
was a "wideangle".
Zoom hadn't been invented yet.
By the way I find acronyms very hard to remember (VHR).
I much prefer a pronoucible name. Most acronym
users seem to as well, since they often make the
acronym pronouncible.
---- Paul J. Gans
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