GSO Linear Bearing Crayford Focuser
Best heavy duty upgrade for amateur astronomers seeking precision and stability.
This upgrade replaces standard focusers to provide rock-solid stability for heavy imaging gear. By utilizing a stainless steel rail system, it eliminates the flexure common in traditional designs, while the flat housing allows for seamless integration with electronic automatic focusers.
$205.00
at
Agena AstroProducts
More Crayford Focuser options
Who it's for
- Astrophotographers using heavy imaging trains and large sensors
- Visual observers seeking precise control during high-power planetary viewing
- Budget-conscious astronomers looking for a professional-grade hardware upgrade
Who should skip it
- Users mounting exceptionally heavy professional camera equipment
- Observers using a wide variety of mismatched optical accessories
- Owners of lightweight telescopes or small portable mounts
Performance breakdown
Load Stability
Linear bearings eliminate drawtube slop even with heavy imaging trains attached.
Focus Precision
The 10:1 dual-speed knob allows for incredibly fine, incremental focus adjustments.
Automation Readiness
Integrated mounting points make adding electronic autofocusers a seamless, frustration-free process.
Build Robustness
Anodized aluminum and stainless steel construction ensures long-term durability under stress.
Ergonomic Flexibility
The 360-degree rotation makes finding the perfect camera orientation effortless.
Accessory Protection
Brass compression rings prevent marring on expensive eyepieces and imaging gear.
Key Specs
Weight
850 g
Load Capacity
4.1 kg
Focus Travel
50 mm
Minimum Height
91 mm
Maximum Height
141 mm
Mount Interface
M90x1 female thread
Material
Anodized aluminum, stainless steel
Compatibility
6-inch and 8-inch GSO RC/CC telescopes
Accessory Type
Focuser
Connection Interface
ZWO EAF compatible
Know before you buy
Still have a question?
Ask Metto anything about the GSO Linear Bearing Crayford Focuser before you decide.
