f-number

(redirected from Fstop)
Also found in: Dictionary.
Related to Fstop: Shutter speed

f-number

, f number
Photog the numerical value of the relative aperture. If the relative aperture is f8, 8 is the f-number and indicates that the focal length of the lens is 8 times the size of the lens aperture
References in periodicals archive ?
Under the direction of Erik Spiekermann of FSI FontShop International, fStop was born out of a call to designers in the FSI network to submit images from their viewpoints.
The addition of the fStop library complements other exclusive offerings from Veer, including CSA Images and such world-premiere releases as the new minimalist typeface, Sylvia, by the Alias foundry.
fStop is the first collection of pictures by designers for designers, organized as personal collections, rather than contrived themes," said Erik Spiekermann of FSI FontShop International.
Veer offers 15 CD collections of royalty-free fStop Images, priced at US$499, which include super-high resolution files.