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Significados de focal length en inglés

portugués
distancia focal

The distance from a lens to its focus.

distancia focal
Uso de focal length en inglés
1
This would also be about the focal length of the finished lens.
On Laboratory Arts
2
It would be roughly four tonnes in mass and have a 12m focal length.
BBC
3
These invariable produce worse images than the fixed focal length, prime lenses I tested.
Wired
4
The rapidity of a lens depends mainly on its aperture and its focal length.
Scientific American Supplement, No. 492, June 6, 1885
5
It was provided with a well-corrected object-glass having a focal length of 200 mm.
Scientific American Supplement, No. 303, October 22, 1881
6
One patient was treated with a transducer with a focal length of 3 cm.
Pubmed
7
The latter simulates an extended focal length for the lens.
Wired
8
A focal length of about six inches will be best for a quarter-plate camera.
How to Observe in Archaeology / Suggestions for Travellers in th...
9
A reflecting telescope, of two feet focal length, by ditto.
A General History and Collection of Voyages and Travels — Volume...
10
The astronomer he'd bought it from had launched into some long explanation about focal length.
The evolutionary void
11
When using a long focal length all the vibrations are magnified, making a blurry image.
Wired
12
For example, a Ross half plate rapid symmetrical has a focal length of 7½ in.
Scientific American Supplement, No. 492, June 6, 1885
13
The longer focal length makes a much bigger difference.
The Verge
14
The eye-piece consists of a single achromatic lens, whose focal length is about two inches.
Experimental Determination of the Velocity of Light / Made at th...
15
The camera was a monstrous piece of equipment, with a focal length of thirty-six inches.
One minute to midnight: kennedy, khrushchev, and castro on the b...
16
Note down this focal length, and proceed to measure your diaphragms in sixteenths of an inch.
Scientific American Supplement, No. 492, June 6, 1885
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Translations for focal length
Focal length a través del tiempo
Focal length por variante geográfica
Estados Unidos de América
Común
Reino Unido
Común