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Home / Products / Astronomy Focuser / K006 2 Inch Fine Adjustment Seat for Ast
K006 2 Inch Fine Adjustment Seat for Astronomical Telescope

K006 2 Inch Fine Adjustment Seat for Astronomical Telescope

K006 is a 2 inch fine adjustment seat for astronomical telescopes, designed for precise focusing in guide scopes and finder scopes. It features a double helical focuser with 0.05mm accuracy, full metal construction, and compatibility with 1.25 inch and 2 inch optical interfaces. The unit includes an M31 to 2 inch adapter for primary mirror integration.

  • High precision double helical focuser with 0.05mm accuracy for smooth, repeatable focusing
  • Full metal construction ensures durability and resistance to thermal expansion
  • Dual interface support: 1.25 inch with M42×0.75 male thread and 2 inch with M48×0.75 female thread
  • Integrated M31 to 2 inch adapter enables direct mounting on primary mirrors
  • Compact design with 43mm minimum and 53mm maximum length for space-efficient setup
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Technical features

  • Double helical focuser with 0.05mm accuracy
  • Focusing stroke: 10mm
  • Minimum length: 43mm; longest length: 53mm
  • Interface: 1.25 inch with M42×0.75 male thread
  • Primary mirror interface: M31x0.5 male thread
  • M31 to 2 inch adapter interface: 2 inch with M48×0.75 female thread
  • Net weight: 93g (3.3oz) for focuser; 45g (1.58oz) for adapter
  • Color: Black

Who it is for

  • Astronomy equipment manufacturers and integrators
  • Amateur and professional astrophotographers
  • Telescope upgrade specialists
  • Importers sourcing precision focuser accessories

Specifications

ModelK006
Focuser TypeDouble Helical
Accuracy0.05mm
Focusing Stroke10mm
Minimum Length43mm
Maximum Length53mm
Interface1.25 inch with M42×0.75 male thread
Primary Mirror InterfaceM31×0.5 male thread
Adapter Interface2 inch with M48×0.75 female thread
Net Weight (Focuser)93g / 3.3oz
Net Weight (Adapter)45g / 1.58oz
ColorBlack

Use guide

  • Mount the double helical focuser onto the guide scope or finder scope using the 1.25 inch interface
  • Attach the M31 to 2 inch adapter to connect to the primary mirror with M31x0.5 thread
  • Adjust focus using the fine adjustment knob with 0.05mm precision
  • Ensure the adapter is fully seated to avoid misalignment

FAQ

What is the accuracy of the focuser?
0.05mm per adjustment step.
Does it include the M31 to 2 inch adapter?
Yes, one adapter is included in the package.
What interfaces are supported?
1.25 inch with M42×0.75 male thread and 2 inch with M48×0.75 female thread.
What is the focusing stroke?
10mm of linear travel.
Is the focuser made of metal?
Yes, full metal construction for durability.

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