Sentence examples for normal lens from inspiring English sources
noun
A lens which produces an image similar in detail and angular perspective to the view produced by the human eye, as distinct from a wide-angle lens or a telephoto lens.
A normal lens should cover an angle of at least 60°.
"Everything is done with simple means — a 35-millimeter camera and a normal lens — not a huge computer program".
Exner realized that this was not the behaviour of a normal lens, which forms an image on the opposite side of the axis from the entering ray.
Interference with the growth or maintenance of lens fibres can result in the formation of abnormal fibres or fibre arrangements that cannot transmit light as well as the normal lens fibres.
This turns a normal lens into an even more compact telephoto system, which is less costly than a telephoto lens but which reduces the speed of the prime lens and usually impairs sharpness performance.
In the epithelial cells (E), they were intact in the normal lens of control group showing distinct demarcation between the cortex (C) and nucleus (Fig. 2).
But then Roger Newton doesn't use normal lenses.
But she recommends that newcomers start with special close-up or diopter lenses that attach to normal lenses.
It would act as a lens without requiring any of the specially curved surfaces that normal lenses demand.
The diffraction limit occurs because normal lenses, no matter how carefully formed, do not pick up all the electromagnetic waves emitted by an object.
Known as circle lenses, these are colored contacts — sometimes in weird shades like violet and pink — that make the eyes appear larger because they cover not just the iris, as normal lenses do, but also part of the whites.
