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Home / Products / Astronomy Focuser / J008 2’’ Dual Speed 360° Rotating Focusi
J008 2’’ Dual Speed 360° Rotating Focusing Seat for Telescope

J008 2’’ Dual Speed 360° Rotating Focusing Seat for Telescope

The J008 2'' dual speed 360° rotating focusing seat is a manual focusing accessory for telescopes with a 2'' (1.25'' convertible) eyepiece interface and M96.5×1 host interface. It provides a 70 mm focusing stroke with 1:10 fine adjustment and full 360° rotation for precise alignment during astronomical observation.

  • Dual speed focusing with 1:10 fine adjustment for precise focus control
  • 360° rotation enables full alignment freedom for eyepiece and camera positioning
  • 2'' eyepiece interface with 1.25'' conversion capability for compatibility with standard accessories
  • 70 mm focusing stroke supports a wide range of optical configurations
  • All-metal construction ensures durability and stable performance under field conditions
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Technical features

  • Host interface: M96.5×1
  • Eyepiece interface: 2'' (1.25'' convertible)
  • Focusing stroke: 0–70 mm
  • Focusing method: Manual with 1:10 fine adjustment
  • Rotation: 360° continuous rotation
  • All-metal construction for rigidity and long-term use

Who it is for

  • Amateur astronomers building or upgrading telescope systems
  • Importers sourcing focusing seats for telescope accessory catalogs
  • Distributors supplying components for astronomical equipment in North America, Europe, and Asia

Specifications

ModelJ008
Eyepiece Interface2'' (1.25'' convertible)
Host InterfaceM96.5×1
Focusing Stroke0–70 mm
Focusing MethodManual with 1:10 fine adjustment
Rotation360° continuous

Use guide

  • Install the focuser onto the telescope's M96.5×1 threaded mount
  • Attach a 2'' eyepiece or adapter for 1.25'' use
  • Use the coarse knob for large focus adjustments, fine knob for precise focus
  • Rotate the seat 360° to align the eyepiece or camera for optimal viewing angle

FAQ

What is the focusing stroke?
70 mm from fully retracted to fully extended.
Can I use a 1.25'' eyepiece?
Yes. The 2'' interface supports 1.25'' eyepieces with a standard adapter.
Is the rotation smooth?
Yes. The all-metal construction ensures smooth 360° rotation without play.
What is the fine adjustment ratio?
1:10 — one full turn of the fine knob equals 10 times the movement of the coarse knob.
What is the host interface?
M96.5×1 thread, standard for many telescope focusers.

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