[PETER_TRA (PETER)]

Originally Posted by loki78

This might be the sort of thing you're talking about.

http://www.bintel.com.au/Astrophotog...oductview.aspx

You can probably get these at a lot of different places or on ebay etc but see if that's what you mean

Looking at the photo i can't work out how the device is secured to the dobsonian telescope? does it clamp on the body of the scope?