Table of Contents
How do I choose a telescope focuser?
If you want to select the best telescope focuser, know the basic focusing systems for your type of telescope, select among several focuser configurations, and decide how high-tech you want to go. A quality telescope focuser can make a big difference when it comes to viewing stars.
Can you build your own Dobsonian telescope?
The yellow Optical Tube Assembly is a 6-inch f/7.5 Newtonian. The plywood Dobsonian mount is simple to build and very functional. There are many ways to build a Dobsonian telescope, with many design decisions to be made.
What is a good focal ratio for a telescope?
For such objects, a focal ratio of f/10 or more is ideal. But if you want to see wide views of star clusters, galaxies, and the Milky Way, a lower focal ratio is better. You get less magnification, but you see more of the sky. Wide field telescopes have a focal ratio of f/7 or less.
How good is an 8 inch Dobsonian telescope?
Review Summary The SkyWatcher 8” Collapsible Dobson Telescope is a great pickup for astronomers looking to make their first big telescope purchase or who are upgrading from their ‘beginner’ scope to something with a lot more power. The SkyWatcher 8” is very affordable, powerful and easy to use.
How do you balance a Dobsonian?
In a situation where a Dobsonian telescope is slightly out of balance, a common solution is to add counterweights along the tube or on one end to achieve the desired equilibrium.
What does 6-inch aperture mean in a DOB Smithsonian telescope?
And, a 6-inch aperture in a Dobsonian means you should get useful views of the moon and planets. A focal length of 1200mm and aperture of 6″ are good for planet viewing. Look for one with a focuser made of metal rather than plastic. Orion SkyQuest XT6 Classic Dobsonian Teles… Are you looking for your first Dobsonian?
How to build your own DOB Smithsonian telescope?
Follow the Step-by-Step Guideline Given Here to Build Your Own Dobsonian Telescope Step #1: Choose the design and aperture size. The first step to building a Dobsonian telescope is to choose the aperture size and the focal length. The aperture size is the diameter of the primary mirror.
What are the advantages of Dobsonian telescopes?
The more light-gathering ability the more you will be able to observe the fainter details. You can buy a good-sized aperture in a Dobsonian for less than you would any other telescope type. This is what is meant by Dobsonians giving you “the best bang for the buck”. Simple fabrication: The second main advantage is the simple construction.
Is it hard to focus on objects with the DOB Smithsonian?
Some of these people may struggle with the aspect of focusing on objects with the telescope, as the Dobsonian usually has high magnifying power that can be quite difficult to lower. If you are experiencing the same dilemma, here is a guide on how to focus your Dobsonian telescope properly.