Focuser Bases

These precision machined bases from Starlight Instruments attach Feather Touch focusers to Dobsonian and classical Newtonian telescopes.

  • Starlight Instruments BA20CL Focuser Base
  • Starlight Instruments BA20CL Focuser Base

  • This base for 2-inch Feather touch focusers is custom machined to match the outside diameter of the optical tube. read more...
  • Our price: $105.00

  • Starlight Instruments BA20FL Focuser Base
  • Starlight Instruments BA20FL Focuser Base

  • The Starlight Instruments BA20FL flat base is commonly used to mount a 2-inch Feather Touch focuser to the upper cage assembly of a truss tube Dobsonian telescope. read more...
  • Our price: $65.00

  • Starlight Instruments BA25CL Focuser Base
  • Starlight Instruments BA25CL Focuser Base

  • This base for 2.5-inch Feather touch focusers is custom machined to match the outside diameter of the optical tube. read more...
  • Our price: $145.00

  • Starlight Instruments BA25FL Focuser Base
  • Starlight Instruments BA25FL Focuser Base

  • The Starlight Instruments BA25FL flat base may be used to mount a 2.5-inch Feather Touch focuser to the upper cage assembly of a truss tube Dobsonian telescope. read more...
  • Our price: $105.00

  • Starlight Instruments BA30CL Focuser Base
  • Starlight Instruments BA30CL Focuser Base

  • This base for 3-inch Feather touch focusers is custom machined to match the outside diameter of the optical tube. read more...
  • Our price: $125.00

  • Starlight Instruments BA30FL Focuser Base
  • Starlight Instruments BA30FL Focuser Base

  • The Starlight Instruments BA30FL flat base may be used to mount a 3-inch Feather Touch focuser to the upper cage assembly of a truss tube Dobsonian telescope. read more...
  • Our price: $105.00

  • Starlight Instruments BA35CL Focuser Base
  • Starlight Instruments BA35CL Focuser Base

  • This base for 3.5-inch Feather touch focusers is custom machined to match the outside diameter of the optical tube. read more...
  • Our price: $165.00

  • Starlight Instruments BA35FL Focuser Base
  • Starlight Instruments BA35FL Focuser Base

  • The Starlight Instruments BA35FL flat base may be used to mount a 3.5-inch Feather Touch focuser to the upper cage assembly of a truss tube Dobsonian telescope. read more...
  • Our price: $135.00


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