Telescope Focusers & Focusing Accessories | Telescope Wolves

Telescope focusers are critical for achieving sharp, precise focus during visual observing and astrophotography. A high-quality focuser improves fine control, supports heavier accessories, and reduces image shift—making it an essential upgrade for many telescope setups.

At Telescope Wolves, our focuser collection includes rack-and-pinion, Crayford, dual-speed, and electronic focusers from trusted astronomy brands. Each focuser is selected for smooth operation, mechanical precision, and compatibility with a wide range of optical tubes and accessories.

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  • Explore Scientific 2.5″ Hex Rack & Pinion Focuser Extension Tube — 2″ Extension (ESHEXEXT2)
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    Explore Scientific 2.5″ Hex Rack & Pinion Focuser Extension Tube — 2″ Extension (ESHEXEXT2)

    Price: $39.99 USD
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    Price: $39.99 USD
  • Explore Scientific 2″ AR Series Dual-Speed Focuser (FOCDAR-00) — 2-inch Crayford for Achromatic Telescopes
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    Explore Scientific 2″ AR Series Dual-Speed Focuser (FOCDAR-00) — 2-inch Crayford for Achromatic Telescopes

    Price: $199.99 USD
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    Price: $199.99 USD
  • Explore Scientific 2″ Rack & Pinion Focuser Extension Tube (ESRPEXT2)
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    Explore Scientific 2″ Rack & Pinion Focuser Extension Tube (ESRPEXT2)

    Price: $34.99 USD
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    Price: $34.99 USD
  • Explore Scientific 2″ Rack & Pinion Focuser for Apochromatic Telescopes (FOCEDAPO-RP)
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    Explore Scientific 2″ Rack & Pinion Focuser for Apochromatic Telescopes (FOCEDAPO-RP)

    Price: $229.99 USD
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    Price: $229.99 USD
  • Explore Scientific 3″ Self-Centering Focuser for 152/165 mm Refractors (ES-FOC3)
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    Explore Scientific 3″ Self-Centering Focuser for 152/165 mm Refractors (ES-FOC3)

    Price: $949.99 USD
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    Price: $949.99 USD
  • Explore Scientific 3 inch self centering focuser with back cell adapter ES-FOC3-BC100127T designed exclusively for ED127 and FCD100 refractors providing beginner astrophotographers with smooth precise wobble free and self centering focusing performance for sharp detailed and perfectly centered planetary lunar and deep sky imaging — Telescope Wolves
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    Explore Scientific 3″ Self‑Centering Focuser w/ Back‑Cell Adapter for ED127 / FCD100 Refractors (ES‑FOC3‑BC100127T)

    Price: $999.99 USD
    List Price:
    Price: $999.99 USD
  • Explore Scientific 3 inch self centering focuser with back cell adapter ES-FOC3-BC100127 designed for large refractor telescopes providing beginner astrophotographers with smooth precise wobble free and self centering focusing performance for sharp detailed and perfectly centered planetary lunar and deep sky imaging — Telescope Wolves
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    Explore Scientific 3″ Self‑Centering Focuser with Back‑Cell Adapter (ES‑FOC3‑BC100127) for Large Refractors

    Price: $999.99 USD
    List Price:
    Price: $999.99 USD
  • Explore Scientific Rack & Pinion Focuser Extension Tube 1″ (ESRPEXT1)
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    Explore Scientific Rack & Pinion Focuser Extension Tube 1″ (ESRPEXT1)

    Price: $29.99 USD
    List Price:
    Price: $29.99 USD