By the way: One should as described in the user manual (In the German-speaking is the S.22-23) the telescope really well balancing (be in balance with the counterweight)
This allows you to reduce camera shake moment during the observation and the mount and the tripod conserve.
If the principal or secondary mirror times be spotted, if possible not berüren the mirror and if they do, then please very easily with little pressure)
The best but the mirror mount would unscrew including the mirror and lay for a while in the water and a few drops of washing up liquid to give. After that, rinse with clear water and up to dry.
Still a very good brand telescope to very good Pries / performance ratio.
A matching red dot finder for exact alignment of the telescope (and also for all other Newton reflector telescopes with a 1.25 inch eyepiece can be found here:
[...]
A very qualitative and at the same value replacement for the supplied eyepieces can be found here:
[...]
This zoom eyepiece of Super Plössl design represents a substitute for almost all eyepieces, so that only this one eyepiece is required.
To all buyers of this article, I wish a lot of joy in observing. ;-)