Sky-Watcher EvoGuide 50DX
Buy on Amazon
The Sky-Watcher EvoGuide 50DX is a compact 50mm apochromatic doublet refractor designed specifically as a guide scope for astrophotography setups. It delivers sharp, color-corrected views through its APO glass, making it a reliable companion for autoguiding during long-exposure imaging sessions. Overall, it strikes an impressive balance between optical quality, low weight, and ease of mounting for its price point.
Key Features & Specs
| Aperture | 50mm objective lens with APO doublet design for reduced chromatic aberration |
|---|---|
| Focal Length | 242mm focal length with a fast f/4.8 focal ratio |
| Weight | Approximately 340g, making it one of the lighter guide scope options available |
| Mounting | Includes a dual-ring mounting bracket with a Vixen-style dovetail foot for straightforward attachment to most setups |
| Focuser | Helical focuser with 1.25-inch eyepiece holder, compatible with most guide cameras |
| Compatibility | Works with popular autoguiding cameras and software such as PHD2 for seamless integration |
| Build | Aluminum tube construction with dew shield included for field durability |
Best for: Astrophotographers who need a lightweight, optically refined guide scope that mounts quickly and pairs reliably with autoguiding cameras for long-exposure deep-sky imaging.