3.5" Adapters

Product categories

• Focusers
  • 1.25" focuser
  • 2.0" Focusers
  • 2.0" Focusers R/P
  • 2.5" Focusers R/P
  • 3.0" Focusers R/P
  • True 3" Focusers R/P
  • 3.5" Focusers R/P
  • Micro & Retrofits
• Adapters
  • 1.25" Adapters
  • 2.0" Adapters
  • 2.0" Rack & Pinion
  • 2.5" Adapters
  • 3.0" Adapters
  • True 3" Adapters
  • 3.5" Adapters
• End Caps
  • 2.5" Endcaps
  • 3.0" Endcaps
  • True 3" Endcaps
  • 3.5" Endcaps
• Accessories
• Apparel
• Bases
• Coma Corrector
• Cosmetic Seconds
• Electronic Focusing Kit
  • SI-RCEF
  • Focuser Boss II
  • Starlight Instruments EFS
• Laser Collimation
• Other
• Risers
  • 2.0" Risers
  • 2.5" Risers
  • 3.0" Risers
  • True 3" Risers
  • 3.5" Risers