|Stellarvue 50 mm optical guide scope with non-rotating helical focuser and matte black finish. |
The Stellarvue guide scope weighs 18 ounces and works with all Stellarvue 50 mm ring systems. This guidescope use the same 210 mm focal length, broadband fully multi-coated objective lens as the top rated Stellarvue F50 finderscope. Other fittings are black anodized. Main tube is interior painted in ultra flat black. Focuser is lubricated for improved stability and smoothness. Tube is 54.5 mm in diameter, dew shield is about 58 mm in diameter. The length is approximately 9-3/4 inches.