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Meanings of focal length in английском
португальский
distancia focal Usage of focal length in английском
1
This would also be about the focal length of the finished lens.
2
It would be roughly four tonnes in mass and have a 12m focal length.
3
These invariable produce worse images than the fixed focal length, prime lenses I tested.
4
The rapidity of a lens depends mainly on its aperture and its focal length.
5
It was provided with a well-corrected object-glass having a focal length of 200 mm.
6
One patient was treated with a transducer with a focal length of 3 cm.
7
The latter simulates an extended focal length for the lens.
8
A focal length of about six inches will be best for a quarter-plate camera.
9
A reflecting telescope, of two feet focal length, by ditto.
10
The astronomer he'd bought it from had launched into some long explanation about focal length.
11
When using a long focal length all the vibrations are magnified, making a blurry image.
12
For example, a Ross half plate rapid symmetrical has a focal length of 7½ in.
13
The longer focal length makes a much bigger difference.
14
The eye-piece consists of a single achromatic lens, whose focal length is about two inches.
15
The camera was a monstrous piece of equipment, with a focal length of thirty-six inches.
16
Note down this focal length, and proceed to measure your diaphragms in sixteenths of an inch.
This collocation consists of:
Focal length through the time
Focal length across language varieties
United States of America
Common
United Kingdom
Common