Just briefly, I've started using this finderscope on my 12". Seems to be doing just fine. I have to admit that making adjustment with three screws is a bit different to the simple GSO arrangement (two screws at 90 deg pushing the finder against a spring-loaded peg). Loosen one too far and the finderscope sort of flops - practice needed I guess.
I have a bit more work to do. The image isn't as crystal clear off-axis as I expected it to be - maybe I don't have the focus right as yet. I also am using it with my glasses so that I can see the sky with left eye simultaneously. I have new glasses as well - so a bit of sorting out to do. The cross-hairs with central unobstructed circle are great. The illumination is overly bright on minimum setting - I'd better let the batteries flatten a little! I have discovered that the illuminator on my Antares illuminated eyepiece has the same thread and fits straight in. It is one of these where the illumination with settable time on and time off periods. I might play with this illuminator as well.
Having the image erect is also great for recognising the sky and moving the scope.
Its a nice compact clean-looking unit. With the falling AUD against the Yen (I guess that is happening - I haven'tt checked), it will be less attractive financially. Glad I dived in and bought it as a treat to myself when I did!
