William Optics Guide Scope
Best premium guide scope for dedicated astrophotography enthusiasts.
This compact guide scope offers a precise, secure connection for autoguiding cameras, utilizing a unique locking mechanism to ensure stability. Its limited back-focus design is optimized specifically for modern, small-format cylinder cameras, making it a specialized tool for dedicated astrophotographers.
$128.00
Who it's for
- Astrophotographers seeking a stable, high-end mounting solution for tracking
- Serious hobbyists demanding precise star tracking for long-exposure deep-sky imaging
- Visual-oriented astronomers who value both aesthetic appeal and functional design
Who should skip it
- Budget-conscious beginners looking for the most affordable entry into autoguiding
- Mobile observers using lightweight mounts with limited payload capacities
- Users with non-standard mounting systems who prefer universal hardware compatibility
Performance breakdown
Guiding Precision
Achromatic optics deliver the sharp star images essential for accurate tracking.
Connection Stability
The RotoLock mechanism ensures your camera stays perfectly aligned without slippage.
Build Quality
Powder-coated finish provides rugged durability for long-term outdoor field use.
Focus Adjustability
Smooth M48 threading offers precise control, though travel range is limited.
System Compatibility
Strict back-focus requirements limit this to modern mini-style autoguiding cameras.
Portability
Compact and lightweight design integrates seamlessly without adding significant payload weight.
Key Specs
Aperture
50mm
Focal Ratio
f/4
Focal Length
200mm
Tube Outside Diameter
54.5mm
Dewshield Outside Diameter
58.2mm
Focus Travel
8mm
Weight
460g
Back-focus
6.2mm
Country of Manufacture
Taiwan
Material
Metal
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