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Feather Touch® 3.0" Dia. Dual Speed Focuser, 2.5" DTT, and Brake [SI-FTF3025B-A]

SI-FTF3025B-A
$607.55 USD
1 in stock IN STOCK, usually ships within 48h or less directly from our Canadian warehouse
Starlight Instruments: Feather Touch® 3.0" Diameter - Dual Speed Telescope Focuser, 2.5" Draw Tube Travel, and Brake. One of the best eyepieces in the world, fully assembled on rolling bearing, with annular tightening, a 10: 1 reduction ratio and a specific brake system. Focus is a crucial element in obtaining the best images, especially for imaging and when using heavy accessories. To facilitate the development, Starlight instruments offers Crayford with 1/10 microfocuser (multiplier), adaptable to many models of telescopes thanks to different adapter rings (optional).

About Feather Touch® 3.0" Dia. Dual Speed Focuser, 2.5" DTT, and Brake [SI-FTF3025B-A]

Starlight Instruments: Feather Touch® 3.0" Diameter - Dual Speed Telescope Focuser, 2.5" Draw Tube Travel, and Brake. One of the best eyepieces in the world, fully assembled on rolling bearing, with annular tightening, a 10: 1 reduction ratio and a specific brake system. Focus is a crucial element in obtaining the best images, especially for imaging and when using heavy accessories. To facilitate the development, Starlight instruments offers Crayford with 1/10 microfocuser (multiplier), adaptable to many models of telescopes thanks to different adapter rings (optional).

  • Draw tube thread    M75X1 Female Thread
  • Draw tube travel   2.5"/63.5MM
  • Lifting Capacity    13-15 pounds
  • Thread on Entry (OTA | FRONT) Side of Draw Tube    M109X1 Male Thread
  • Reduction Ratio    10:1
  • Finderscope hole thread dimension    8-32
  • Draw Tube Drive Mechanism    Rack/Pinion
  • Weight of focuser    3.52 pounds of which includes the standard adapter and 2" compression ring end cap
  • Racked In from Mounting Face    3.672"/93.27MM
  • Racked Out from Mounting Face    6.368"/161.75"MM


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