Telescopes - Glossary
LATEST POSTS
Telescopes and Eyepieces
Introduction With the purchase of a telescope, you also purchase the eyepiece that comes with it. And if you still…
Rayleigh and Dawes resolution
Resolving power (or resolution) of an optical telescope is the ability to see small details in the image. It is…
Barlow lens
Magnification of telescopes is calculated by dividing the objective focal length with the eyepiece focal length. To change the magnification,…
Aperture, focal length and focal ratio
Aperture One of the essential features of a telescope is its aperture. Depending on the type of telescope, the aperture…
Advertisements
FOLLOW US
RECENT POSTS


