StarField 50mm Guide scope

Your Price: $174.99
50mm Guidescope 190mm Focal Length, F/3.4 Focal Ratio, Fully Coated w/ Helical Focuser
Part Number: SFG-50
Availability: In Stock

50mm F3.4 guidescope with Helical Focuser with Lens diameter: 60mm Adjustable micro-focuser Fully multi-coated doublet Built-in Dew-shield Collimating Rings and Dovetail included Accecpts 1.25" eyepieces & accessories High quality all-metal construction Fits Celestron, Skywatcher, Vixen & GSO type saddles A high quality, compact 60mm aperture guide-scope made of metal-alloy that can be used as a guide-scope or as a large aperture finder-scope with standard 1.25" eyepieces. 
Internals are painted matt-black to reduce reflections and increase contrast. The built-in dew-shield further reduces reflections and protects the guide-scope's optics from condensation.
It has unusually high maximum focus travel of 34mm, 22mm can be achieved via the guide-scope's retractable tube which is marked in single mm intervals. 
The remaining 12mm can be achieved by the guide-scope's high precision non-rotating micro-focuser which also has a sub-millimetre scale to aid re-positioning and accurate focusing. 
The non-rotating focuser assembly guarantees that the camera will not turn while focusing which in turn aids framing.

  • 50mm guide scope with bright, wide-field optics puts numerous potential guide stars in view so you'll never have to search for one!
  • Very small and compact autoguiding system adds hardly any weight to an astrophotography setup and can conveniently be stashed in an accessory case between uses
  • Compact mini guide scope designed for use with astrophotography telescopes up to 1500mm focal length
  • Quick focus retractable tube with 1mm scale, can be locked in place. Precision non-rotating micro-focuser with 1/10mm scale.
  • Fits standard Celestron, Skywatcher, Vixen & GSO type saddles.
  • Universal finder shoe included
  • Small 1.25" extension with M42 thread included for camera's that require additional back focus.

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