Hutech Astronomical Products
Equipment for the Serious Amateur Astronomer

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Part #7866 - $449.00
0.66x Triplet Super Reducer
 
Features:
  • 0.66x Triplet Super Reducer
  • Works with 300mm to 500mm focal length scopes
  • 7mm and 13mm extension tubes
  • Objective side interfaces:
    • M57/P0.75 Male
    • M48 filter thread
  • Camera side interfaces:
    • M57/P0.75 Female
    • M49.8/P0.75 Male

Notes:
  1. 13mm extension may be replaced with camera rotating ring (#7352).
  2. Back focus (without two extension tubes): 75mm
  3. Sample configurations for CCD cameras (remove both extension tubes):
    • SBIG ST series:
      7866 - 7352 - 7522 - CFW8A/ST series
    • Starlight Express SX series (One shot color camera):
      7866 - 7352 - 7603 - 7522 - SX series
  4. Sample configurations for DSLR cameras:
    • 7866 - 5001 to 5010 (with two extension tubes)
    • 7866 - 7352 - 5001 to 5010 (13mm extension tube replaced with 7352)

7866 / Mini Borg System Configuration:
 

 

 
Example: 7866 & Mini Borg 45EDII Optical Performance: