Encyclopedia > Focal length

Article Content

Focal length

The focal length of a lens is the distance from the lens to the focus.

Standard lens[?]

Telephoto lens

Wide angle lens

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Brazil

... I established the independent Empire of Brazil. This lasted until the next emperor, Dom Pedro II was deposed in 1889 and a republican based federation was ...