Hutech Astronomical Products
Equipment for the Serious Amateur Astronomer

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Part #7878
0.78x Triplet Super Reducer
 
includes:
  • Large triplet elements (54mm diameter at the objective side) for faster optical speed, sharper image, and flat illumination across 35mm full format sensors.
  • Image circle: 45mm
  • M57P0.75 male on objective side
  • M57P0.75 female on camera side
  • Works on scopes from 500mm to 1000mm focal lengths
  • Includes one spacer for 77EDII. (no spacer required for 101EDII and 125SD)
  • Back focus: 60mm
Example Configurations:
  • 7878 - 7000 - 5000 - Canon
  • 7878 - 7000 - STL AD - SBIG STL camera
  • 7878 - 7601 - #4 Ext. - 7522 - CFW5/ST-8300
Requires at least 80mm of extra back focus (Recommended main tube - 7135 or 7150, or 8295 for 125SD)