Apertura Crayford Focuser for 6″ Newtonians (EAF Compatible)

Model: Apertura 2″ Dual-Speed Crayford Focuser (Newtonian version)
Compatibility: Fits 6″ (150 mm) Newtonian reflector tubes with matching base curvature.
Focuser Type: True Crayford friction-drive design for zero image shift and smooth motion.
Speed Control: Dual-speed 10:1 fine reduction for precise adjustments.
Drawtube Diameter: 2″ with brass compression ring clamp and 1.25″ adapter included.
Drawtube Travel: ~45 mm linear travel with fine tension control.
Body Construction: Machined aluminum with anodized finish; stainless-steel drive shaft and roller bearings.
Load Capacity: Up to ~2 kg (suitable for DSLR, medium CMOS camera, or eyepiece).
Mounting Base: Curved base for 150 mm tube radius; includes collimation screws and securing bolts.
Features: Adjustable tension, focus lock, and smooth bearing system for consistent feel across travel range.
Condition: Excellent — no mechanical play, smooth fine-focus gearing, minimal cosmetic wear.
Use Case: Ideal for visual observation or lightweight imaging setups seeking improved precision over stock focusers.
Manufacturer: Apertura (distributed by High Point Scientific, USA).