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Apertura Crayford Focuser for 6″ Newtonians (EAF Compatible)
Apertura Crayford Focuser for 6″ Newtonians (EAF Compatible)
Apertura Crayford Focuser for 6″ Newtonians (EAF Compatible)
  1. Apertura Crayford Focuser for 6″ Newtonians (EAF Compatible)
  2. Apertura Crayford Focuser for 6″ Newtonians (EAF Compatible)
  3. Apertura Crayford Focuser for 6″ Newtonians (EAF Compatible)

Apertura Crayford Focuser for 6″ Newtonians (EAF Compatible)

R2480,00

High-precision, dual-speed Crayford focuser designed for 6″ Newtonian reflectors. Offers smooth, backlash-free focusing and excellent mechanical stability for visual or light imaging setups. Excellent condition — clean, tight, and ready to install.

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SKU: USER-10-17-1760713652 Category: Condition: Brand NewService Level: Secure Sale + Shipping Secure sale with managed shipping

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).

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