prisms are used in binoculars collect information why prisms are used in binoculars
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1. In SLR single lens Reflex cameras, the image from the lens is redirected by 90
deg change, it its direction. It is projected on to the small view finder screen.
2. another reason could be to avoid Chromatic and spherical aberration due to lenses
3. a good reason to use prisms of different shapes, sizes in cameras is to create a lot of visual effects in the picture captured. Many movies utilize such methods.
deg change, it its direction. It is projected on to the small view finder screen.
2. another reason could be to avoid Chromatic and spherical aberration due to lenses
3. a good reason to use prisms of different shapes, sizes in cameras is to create a lot of visual effects in the picture captured. Many movies utilize such methods.
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Answer:
1. If 2 telescopes are mounted parallel to each other so that an object can be seen
by both the eyes simultaneously the arrangement is called binocular.
2. The length of each tube is reduced by using a set of totally reflecting prisms.
3. They provide intense, erect image free from lateral inversion.
f0-focal length of objective
fe- focal length eyepiece
4. Through a binocular we get 2 images of the same object from different angles at
same time.
5. Their super position gives the perception of depth also with length and breadth.
6. Binocular vision gives proper 3D image.
7. By using total reflecting prisms there is no loss of intensity.
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