Click Image for Gallery
- Among all the various optical instruments used to control light, lenses are the most important as well as widely used.
- Lens is an optical device with perfect or approximate axial symmetry which transmits and refracts light, converging or diverging the beam.
- These are basically made from glass or transparent plastic.
- There are different types of lenses available. A simple type of lens consists of single optical element.
- Moreover, the compound lens is a combination of simple lenses (elements) with a common axis.
- Various types of lenses are used in microscopes, telescopes, etc.