Information why prisms are used in binoculars
Answers
Answered by
1
The prisms of binoculars, lengthen the light path between the objective lens and the eyepiece-thereby increasing the magnification the lens system can provide-without increasing the length of the binoculars.
Answered by
0
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.
Similar questions