50mm/190mm Compact Guide Scope with Helical Focuser

Enhance your telescope setup with this versatile guide scope, designed for precise guiding, tracking, and target acquisition. Its bright, fully multi-coated optics and smooth helical focuser make it perfect for both astrophotography and casual stargazing.

Key Features

• Available in 50mm/190mm and 60mm/240mm aperture options for flexibility

• Fully multi-coated (FMC) lenses for bright, high-contrast images

• 10mm helical focuser with 0.1mm precision stroke for accurate adjustments

• Back focuser with 30–35mm travel for quick star-locking

• Multi-use design: functions as a guide scope, straight-through finder, or optional 1.25" eyepiece scope

• Stray light elimination for enhanced image clarity and contrast

• CNC-machined aluminium body with metal hoop and dovetail rail for secure mounting

• Compression ring design protects cameras and accessories from scratches

Specifications

• Aperture: 50mm / 1.97in or 60mm / 2.36in

• Focal length: 190mm / 240mm

• Focal ratio: f/4

• Tube diameter: 54.5mm / 66mm

• Total length: 240mm / 270mm

• Focuser: Helical, 10mm travel; Back focuser 30–35mm travel

• Lens coating: Fully multi-coated

• Mount interface: M42*0.75 & 1.25"

• Net weight: 604g (50mm) / 884g (60mm)

• Tube material: Aluminium alloy

Package Contents

• 1 × 50mm Primary Mirror

• 1 × Guiding Bracket w/89mm Dovetail Plate

• 1 × 1.25inch Helical Focuser

• 6 × Metal Thumbscrew

What Makes This a Smart Buy:
This guide scope combines bright, precise optics with a versatile design that works for guiding, finding, and imaging. Its durable, lightweight construction and precise focuser make it a valuable upgrade for both casual stargazers and serious astrophotographers.