- केंद्रांतर ⇄ focal length marathi
- नाभीय अंतर ⇄ focal length marathi
- फोकस अंतर ⇄ focal length marathi
focal length in Hindi हिन्दी
- फोकल लम्बाई ⇄ focal length hindi
focal length in English
- focal length ⇄ focal length ordistance
1. the distance from the optical center of a lens or mirror to the principal point of focus.
Ex. The simple astronomical telescope, which is the basis of modern refracting telescopes, contains two double convex lenses aenglish