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

Northampton, Suffolk County, New York

... units at an average density of 8.7/km² (22.6/mi²). The racial makeup of the town is 46.37% White, 44.23% African American, 0.85% Native American, 0.85% Asian, ...