Not sure if this is for you Grant, but Bintel are selling
this.
Maybe with a reducer you could use a laptop to view the field on a larger scale?????
And use it as an autoguider to boot!
Anyway ...just a thought
Bartman
mmmm the link doesn't want to go to the page I want.
It's the Orion mini 50mm Guide scope - with or without the ccd- under the 'imaging and accessories' section page 5.