PlaneWave Hedrick Focuser

PlaneWave Hedrick Focuser – Heavy-Duty No-Slip Focuser

The Hedrick Focuser from PlaneWave is a precision-engineered, robust solution for serious astrophotographers and researchers who demand reliable focus control with heavy imaging payloads. Designed to support up to 20 lbs, this focuser ensures stability and precision across extended imaging sessions, even with complex imaging trains.

Key Specifications

Payload Capacity: Up to 20 lbs
Back Focus Occupied: 3.0″ (fully racked in), 4.2″ (fully racked out)
Travel Range: 30mm (1.2″ or 30,000 microns)
Bearing System: 5 precision bearings
Drive Mechanism: Leadscrew – zero slip
Motor Control: Pre-installed motor compatible with EFA hand controller or PWI software
Automation: Fully compatible with PlaneWave EFA Kit for computerized focus control

Performance & Applications

- Leadscrew-driven design ensures zero slippage, even under heavy loads or during long automated sessions
- Five-bearing support provides ultra-smooth and rigid focus movement for consistent optical alignment
- Integrated motor allows for precise electronic control via PlaneWave’s Electronic Focus Accessory (EFA) kit
- Ideal for CDK and IRDK telescopes requiring exact, repeatable focus in automated imaging environments
- Occupies minimal backfocus while offering generous travel—accommodates a wide range of imaging setups

Whether you're capturing deep-sky nebulae or conducting scientific measurements, the Hedrick Focuser delivers reliable, repeatable performance under demanding conditions.