1.25" 90-deg Erecting Prism Diagonal with Helical Focusing. For use only with 50mm CCD guidescope to convert the guidescope into a right angle correct image finderscope. Diagonal features a helical focusing.
ZWO 30mm f/4 Mini Guide Scope with 120mm focal length, compatible with all ZWO guide cameras and comes with a narrow, finderscope-style dovetail bar that is compatible with the Skywatcher finderscope shoe, Baader Standard Base
The Altair MG32 Mini Guide Scope is a small "set and forget" high quality optical tube, which is compatible with the sensitive GPCAMv2 AR0130 Mono Camera, and most small guide scopes with a C or CS Thread on the front.
The Antares Versascope is a very versatile accessory. This is a 10 x 60 crosshair finderscope that doubles up as a small guide scope. A very inexpensive way to either upgrade your current finder or get a guidescope attached easily onto your system.
All new unique, RotoLock high-quality fully multi coated WO 50mm f/4 Guiding scope that fits perfectly on your William Optics OTA and other telescopes. The tube diameter is 54mm and dew shiled of 58mm.
The Altair MiniGuider System is based on the very popular Altair 60mm Finder. The package includes a 60mm finder optical tube assembly, a special precision locking focuser for Autoguiders and Webcams, finder rings, universal bracket and stalk.
Sky-Watcher's EVOGUIDE-50ED is the ultimate new high quality 50 mm doublet ED Guidescope, utilising Ohara S-FPL53 glass for the ED element. With a focal length of 242 mm it has a very fast focal ratio of f/4.8. The telescope is equipped with a fine and precise helical focuser.
Rother Valley Optics have put together a simple, but effective low cost guide package. This small lightweight system, includes a Skywatcher 50mm finderscope, a finderscope adaptor to C thread on the back, then an Altair Astro monochrome guide camera.