Examples of using Focal length in English and their translations into Hebrew
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Colloquial
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Ecclesiastic
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Computer
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Programming
One day he took us out into the sun and tried to show us how to find the focal length of a convex lens.
no matter how extreme the focal length- they are known as long-focus lenses.
using the longest focal length.
including mirror lenses with a focal length of 500mm!
The Purple rectangle refers to the field of view you would have gotten if you had used the same focal length on a crop sensor.
It's a fixed-lens infrared surveillance camera, with a maximum focal length of 20 feet.
The Canon EF 85mm f/1.8 USM lens is a prime lens fixed at that focal length for full-frame Canon DSLRs, equivalent to 136mm
So lets see here we could factor out the f, our focal length so we get d0*di is equal to f(di+d0) and then what can we do, we could divide both sides by f.
For a 35 mm camera, a lens with a focal length of 19 mm
manual focus laser head needs to adjust focal length manually, very inefficient;
the vertical tower design of the 60 foot focal length solar telescope allowed much higher resolution of the solar image
has to be adjusted to this focal length.
Since the EF 50mm f/1.8 has a fixed focal length( 80mm on APS-C cameras),
has to be adjusted to this focal length.
Offering a broad 18- 300mm focal length range, this compact‘walkabout' lens is ideal when you want to travel light and still capture diverse perspectives.
The minimum and maximum focal length are both 60 millimeters,
Its 24-inch(61 cm) primary mirror with a 60-foot(18 m) focal length, coupled with a spectrograph,
The prime lens' 50mm full-frame focal length is equivalent to 75mm on cameras with cropped APS-C sensors- making it an exceptional choice for portrait photography.
can adjust the focal length, lighting can be adjusted, very convenient.
it will become a 750 mm lens, because each lens is multiplied by 1.5 times its focal length.