Telescope tuning

Everything running smoothly and every part doing what it is supposed to do: if this is the case then observing is fun. Sometimes you only need to swap out a few screws.

Every telescope needs a dew shield. If there is no suitable part available from the manufacturer, you can make one yourself using black foam rubber.

The perfect focuser simply makes itself invisible. If it does not, you may need to help it a little.

Newtonian and Dobsonian telescopes are simple open-tube designs. Why fans help prevent currents of warm air.

If the tube of your Newtonian telescope changes shape at will, it is too pliable. Properly dimensioned tube clamps help.

Tense neck muscles require a comfortable observing chair. And strained mirrors simply need a little play.

There are certain screws on your telescope that need to be adjusted from time to time. So it’s important that their operation and quality match your expectations.

Less is more? Or the more the better? Why mechanically demanding telescopes and mounts need to be properly lubricated.

Often it’s the smallest things that determine how much fun and success you will have when observing. The right light is one of these things.

It’s amazing what you can adjust on a telescope. But there are some things that you should not attempt by yourself.

There is more than one method of adjusting mirror optics. Directly with a star, using a laser, or with a Barlowed laser – an overview.

Additional optical components such as correctors, reducers, and Barlow lenses can change the focal length of an optical instrument and improve the image it produces.

A vibration-free tripod is your telescope’s foundation. Vibrations can be reduced with an improvised pendulum.

Is the switch to 2-inch eyepieces worthwhile? Find the answer quickly with a sheet of squared paper.

Sturdy carrying handles can help to stabilise compact telescopes. Big Dobsonians are impossible to transport without them.

A Newtonian’s primary mirror is easy to replace. But when is the procedure worthwhile?

Prism rails and tube rings connect the telescope tube and mount. But what can you do if the rail no longer holds the tube correctly?

Bungee cords not only help to transport your Dobsonian telesope. You can use them to balance it too!