Polarscope grubscrew - SW Explorer 200PDS

[Gomtuu]

Hi all, does anybody know either where I can get some knobs suitable for adjusting the supplied polarscope on my 200PDS, or what the screw size is (I think my father would enjoy making something like this!)?

I mean knurled knobs rather than those fiddly allen screws.

cheers

[JamesF]

I replaced the thumbscrews on my EQ3-2 with grub screws so I wouldn't knock them when adjusting the scope. I used slightly longer ones than normal though, so they protrude ever so slightly from the body, but not enough to catch on clothing.

James

[Herbig]

It may not be a good idea to replace the allen screws with thumb screws.

You should only need to adjust your polar scope infrequently and once aliged you would not want to knock it out accidentlly.