Search results

Create the page "Focuser" on this wiki! See also the search results found.

• Bird-Jones Telescope
  ...recting lens is added to the optical path, usually at the inner-end of the focuser draw-tube, to produce a corrected image. This correcting lens is usually n ...makes collimation significantly more difficult. When looking through the focuser to properly align components, the correcting lens prevents you from getting
  6 KB (838 words) - 05:00, 18 January 2022
• Problems Focusing A Newtonian Telescope With a Camera
  The purpose of a focuser is to adjust the position of the eyepiece in relation to that of the telesc ...into the focuser receiver, it will put the eyepiece focal point INSIDE the focuser tube, hopefully to find the focal point of the telescope.
  6 KB (994 words) - 18:32, 14 February 2019
• Barrel Size
  If you have a 2" focuser, don't select eyepieces based on their barrel size..The barrel size is mere ...n outer 2" barrel. The reason for this is so that they can be used in 2" [[focuser]]s without the need for an adapter. It has no bearing on the eyepiece's opt
  3 KB (536 words) - 23:21, 19 May 2019
• Barlow
  A Barlow is a kind of telenegative lens that sits between the focuser and the eyepiece, whose purpose is to increase the effective focal length o ...avel of the focuser in order to come to focus. This means depending on the focuser and eyepiece, not all eyepieces will come to focus when using a Barlow (tho
  6 KB (1,062 words) - 21:57, 20 May 2019