box-shaped lens
1Lens hood — In photography, a lens hood or lens shade is a device used on the end of a lens to block the sun or other light source in order to prevent glare and lens flare.The geometry of the lens hood can vary from a plain conical section (much like a lamp… …
2box camera — noun Date: 1902 a box shaped camera with a simple lens and rotary shutter …
3box camera — noun A very simple type of photographic camera, being box shaped, and with a simple lens, and using roll film for taking snapshot pictures …
4Box camera — The box camera is, with the exception of the pin hole camera, a camera in its simplest form. The classic box camera is shaped more or less like a box, hence the name. A box camera has a simple optical system, often only in the form of a simple… …
5History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… …
6Fresnel lens — A Fresnel lens (pronounced [ frɛz.nəl] or [freɪ nɛl] ) is a type of lens invented by French physicist Augustin Jean Fresnel. Originally developed for lighthouses, the design enables the construction of lenses of large aperture and short focal… …
7Digital photography — Nikon D700 a 12.1 megapixel full frame DSLR …
8computer — computerlike, adj. /keuhm pyooh teuhr/, n. 1. Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Cf. analog… …
9Stupid! — Infobox Television show name = Stupid! caption = show name 2 = genre = Comedy Children s creator = director = Jason Garbett creative director = developer = presenter = starring = Marcus Brigstocke Phil Cornwell Rusty Goffe voices = narrated =… …
10Doctor Who — This article is about the television series. For other uses, see Doctor Who (disambiguation). Doctor Who Series 6 Doctor Who main title card Genre Science fiction …
