I have a Sharpstar 50ED refractor (brand new)for sale, which is the same as Stellarvue displayed on NEAF2012.
specs: 50 mm fully multicoated f-6.6 (330 mm focal length) ED Apo;
dual-speed rack and pinion, 10:1 micro-drive focus,comes with a compression ring 1.25” visual back;
250mm long with dew shield retracted and 290mm long when extended ;
Weight： 1120g(with tube ring) /860g(without tube ring);
full 360 degree rotator;
Stellarvue's price is US$599($499 on introductory special)