(1) The best lens to use is the standard 50 mm lens or a short telephoto .

(2) Lenses shorter than 50 mm are considered wide-angle lenses; those longer than normal are considered telephoto or long lenses.

(3) All his great pictures were taken with equipment any amateur could have had, mostly 35 mm cameras with a standard 50 mm lens or the occasional telephoto for landscapes.

(4) Regardless of format, a telephoto or zoom lens is a must for serious wildlife work.

(5) If you're taking a picture of a mountain range, you might want to use a telephoto lens , a lens with an especially long focal length.