apochromat meaning in Hindi

Examples

1. Expect to pay at least $ 500 to $ 1, 000 for a good apochromat.
2. Note, better-than-apochromat lenses are available for scientific / military / industrial work.
3. An apochromat is a lens or lens system with even better chromatic aberration correction, combined with improved spherical aberration correction.
4. The Kern Macro Switar lens was a 50 mm lens at F1.8 or F1.9 . It was an apochromat, and is still highly regarded as possibly the best standard lens ever offered.