Guiding Eyepiece and Sky-Watcher Evoguide ED50 Finder Scope (50/242mm) - Versatility and Precision

Optimize your astrophotography sessions with the Sky-Watcher Evoguide ED50 guiding eyepiece. With its ED glass doublet, this 50mm diameter eyepiece offers excellent chromatic dispersion reduction, ideal for precise observations of the Moon or as a guide for your celestial photography.

Features:

• Optical design: Multi-coated ED doublet
• Aperture: 50mm
• Focal ratio: f/4.8
• Focal length: 242mm
• Maximum resolution: 2.32" arc
• Limited magnitude: 11
• Minimum magnification: 9x
• Maximum magnification: 98x
• Focusing: Non-rotating helical focuser with 1.25" (31.75mm) thread
• Adjustable backfocus from 20 to 60mm
• Tubelength: 26.7cm
• Outer diameter: 5.7cm
• Weight with support: 950g
• Included: Vixen-type dovetail, 39mm extension tube, two mounting rings

Advantages:

• Versatility for use as a guide eyepiece or finder
• Helical focusing for precise and stable focus without image rotation
• Compatibility with most Vixen-type mounts for easy installation
• Ideal for guiding instruments up to approximately 1000mm focal length

Compatibility:

• Can be used with various autoguiding cameras or standalone autoguiders like the SynGuider II

The Sky-Watcher Evoguide ED50 eyepiece is an excellent choice for those seeking a reliable and high-quality solution for autoguiding and occasional visual observation.