focal length

(redirected from f-stop)
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  • noun

Synonyms for focal length

the distance from a lens to its focus

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References in periodicals archive ?
Do you need to load the right kind of film, check the F-stop, or even focus the thing?
The aperture or f-number, also called f-stop, is equal to the distance between the lens and the focal point divided by the effective diameter of the lens.
Olympus dedicated digital optics paired with the 100% digital EVOLT E-300 render sharpness and contrast more consistently at any given f-stop.
1/2" format compatible with CoVi's progressive scan 1280 x 720 pixel HD sensor * High MTBF: 125 lines/mm providing crisp representation of fine image detail * Low F-stop for maximum light transmission throughout the zoom range MultiView Setup Tools
The electronic lens control allows speeds up to 1/500 sec in 1/10 f-stop intervals producing accurate and consistent shutter performance.
The HDRC camera does not require an F-stop or shutter control and no additional light source is needed.
The shutter speed, aperture steps in 1/10 f-stop intervals, and electronic control allow the Leaf Valeo 22 to capture accurate and consistent images.
The camera also embodies more than a one f-stop extension in exposure latitude, improving its handling of over-exposed picture information.
The F-Stop offers light snacks, beer and other refreshments against a backdrop of rock & roll photography.
The full manual exposure control enables the user to select the appropriate shutter speed (1/2 second to 1/1000 second) and f-stop in 1/2-stop increments up to +/- 2 stops.
In aperture priority AE mode, the user selects the f-stop for creative control of depth of field.
For example, professional photographers can directly access advanced camera functions like f-stop and shutter speed giving them more control over their images.
The versatility of this camera continues with the Aperture-Preferred Auto mode which lets you select the f-stop while the camera sets the shutter speed.
For example, photographers can not only directly access advanced camera functions like f-stop and shutter speed but automatically apply filters and take multiple images to average lighting giving them more control over their images.