focal length sentence in Hindi

Examples

1. And the short focal length of microlenses allows for little depth of field.
2. Here, f is the focal length of the lens in centimeters.
3. So if the focal length is measured in millimeters, the image scale is
4. Each mirror was angled to the anticipated focal length to the central tower.
5. View camera lenses are designed with both focal length and coverage in mind.
6. A typical RHEED source has a focal length around 50 cm.
7. The objectives for aerial telescopes sometimes had very long focal lengths.
8. The order is based on the focal length of the lens.
9. It is used for changing the focal length of the lens.
10. How can I calculate the focal length of this eyepiece?