Calling all SW 200 dob owners

[Ally8446]

Being the collimation obsessive that I am (can't help fiddling), how would I go about checking that my focuser is bang on square and true to the OTA? Hopefully someone out there has the relevant info.

Clear skies

[Steve Ward]

Try this , there's a section on checking and squaring the focuser ..... http://www.astronomyshed.co.uk/forum/viewtopic.php?f=19&t=7788

[bingevader]

Or this one.

Cheers