2.75″ Hedrick Focuser

PlaneWave 2.75" Hedrick Focuser

The PlaneWave 2.75" Hedrick Focuser is a heavy-duty, zero-slip linear bearing focuser designed to support a wide range of astrophotography setups. With precise motorized control and robust construction, this focuser ensures accurate and repeatable focusing even under heavy imaging payloads.

Engineered with a leadscrew drive system and mounted on five precision bearings, the Hedrick Focuser eliminates any chance of flexure or backlash. The integrated motor can be controlled manually or through PlaneWave’s EFA (Electronic Focuser Accessory) Kit, offering seamless operation via PWI4 software or ASCOM-compliant platforms.

This focuser is an ideal match for PlaneWave CDK and IRDK telescopes, providing solid and stable performance in both amateur and professional imaging environments.

Key Specifications
Backfocus Consumption: 3.0" fully racked in / 4.2" fully racked out
Travel Range: 30 mm (1.2")
Aperture: 2.75"
Weight Capacity: 20 lbs (9.1 kg)
Drive System: Leadscrew on five linear bearings
Motorized Control: Included (requires EFA Kit for full automation)
Compatibility: All PlaneWave CDK/IRDK telescopes and accessories

Performance & Applications
‑ Smooth, backlash-free motion ideal for astrophotography
‑ Strong enough to handle heavy cameras, filter wheels, and rotators
‑ Easily automated through the EFA Kit and PWI4 software
‑ Compatible with standard PlaneWave accessories and SecureFit adapters
‑ Designed for rugged observatory or portable use