perfect. already have one and needed to expand. I used on my Losmandy G11 base with a home made support structure
Tele Vue Eye Caddy
As with all the Tele Vue products I own (2 scopes, 2 mounts - 1 w/ Sky Tour, 6 Naglers, 1 Barlow, 2 Powermates), these caddy's are well crafted and do exactly what they are supposed to do.