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- 50 mm apochromatic refractor with matched lens assembly with one ED element
- 242 mm focal length
- f/4.8
- 1.25” Helical focuser
- Finder stalk
- V-style dovetail with rings
- Prime focus ring
The EvoGuide 50DX APO Guide Scope Astrograph takes Sky-Watcher's doublet design and packages it in a lightweight guide scope. These doublet refractors deliver dramatic, coal-black skies and faithful, contrast-rich views of planetary and deep-space phenomenon that are second to none. Mounting to your guide camera is a breeze with convenient M42 rings on the back of the scope, and a beefy single-speed focus ring helps you nail focus. Although initially designed for guide cameras, the EvoGuide 50DX APO Guide Scope Astrograph can be used to shoot fast, low focal length astrophotography when used in conjunction with a focal reducer (not included), producing stunning wide-field images.
This package includes the EvoGuide 50 optical tube, tube rings, a finder stalk, and a Vixen-style mounting plate.
Specifications
| Optical Design |
ED Doublet |
|---|---|
| Focal Length (mm) |
242 |
| Focal Ratio |
4.8 |
| Lens Elements |
2 |
| Lens Glass |
Matched lens assembly with one ED element |
| Included Eyepieces |
None |
| Included Finder |
None |
| Included Diagonal |
None |
| OTA Length |
8.875 inches / 10.5 inches with extender |
| OTA Outer Diameter |
2.2 inches |
| OTA Weight (with accessories) |
1.9 pounds |