Hello gang. I have been tampering with my mak again, and I learned something that might save someone $25 in the process.
Since my mount is sloppy in azimuth and wobbles when I try to focus high power eyepieces, while the elevation axis is rock solid, I decided to attempt a mod on the focuser. I got a GSO 2-speed 2" and an SCT adapter ring for maks from Agena. It turns out the adapter is unnecessary, the rear fitting works fine with an SCT focuser. I guess I will return the ring. Any SCT visual back or accessory will work with these scopes.
Before you order this focuser you need to know that it will interfere with the OEM focus knob. It's large and interferes with the mirror moving knob.
I got around this by removing the stem to test fit the ring, marked the position of the knob, removed the ring and relieved the problem with a dremel and grinder wheel. The focuser's gnurled ring is soft aluminum and the job only took a minute. About 2mm is ground away in an area about 1/2" long.
The ring's 'damaged' spot is hidden by the focuser knob anyway, you can't see the butchery.
Now I won't have to deal with image shift or my sloppy azimuth axis. It should be nice for getting the sharpest views as well. I am going to adjust the mirror's focus to optimum, then check and adjust the collimation with the new gear installed.
The mirror's focus knob rubber cover acts like a brake, it should keep the focus from moving around, yet it can still be turned if needed. It is against the focuser ring enough to have some friction.
The forum here has given me many tips and I felt the need to give one back.
Enjoy your new planet killers!
Edited by Conaxian, 28 March 2019 - 09:07 PM.