Sky-Watcher Evoguide 50DX APO Refractor

Article number: S11174
Availability: In stock
Delivery time: In Stock!
  • 50 mm apochromatic refractor with matched lens assembly with one ED
  • 242 mm focal length (f/4.8)
  • 1.25” Helical focuser
  • Finder stalk

Sky-Watcher Evostar refractors provide the finest images obtainable in their design class. These doublet refractors deliver dramatic, coal-black skies and faithful, contrast-rich views of planetary and deep-space phenomenon that are second to none. Sky-Watcher Evostar refractors are the logical choice for the discriminating amateur astronomer looking for an investment in advanced instrumentation for exceptional viewing and astrophotography.

Optical Design

ED Doublet

Focal Length (mm)


Focal Ratio


Lens Elements


Lens Glass

Matched lens assembly with one ED element

Included Eyepieces


Included Finder


Included Diagonal


OTA Length

8.875 inches / 10.5 inches with extender

OTA Outer Diameter

2.2 inches

OTA Weight (with accessories)

1.9 pounds

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