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3. Flatteners for other telescopes

  • 2. SFFR80 .8X Reducer for 80 mm f-7 refractors

    2. SFFR80 .8X Reducer for 80 mm f-7 refractors

    Focal Reducer/Field Flattener for an 80 mm f-7 refractor This reducer/flattener either slides into a standard 2" adapter or threads into the former Stellarvue Access 2.5” focuser. The 0.8X focal reduction converts the 80mm f-7 to f-5.6...

    $229.00
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  • 3. SFFR90 Reducer for 90mm f-7 refractors

    3. SFFR90 Reducer for 90mm f-7 refractors

     Focal Reducer/Field Flattener for our former 90mm f-7 Apochromats This reducer/flattener is not for the latest SVX90T which is f-6. This is optimized for our former SVR90T's. The flattener threads inserts into a standard 2" adapter. The 0.8X focal...

    $229.00
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  • 4. SFFR102-2 Reducer for 102mm f/7 Refractors

    4. SFFR102-2 Reducer for 102mm f/7 Refractors

    Focal Reducer/Field Flattener for f-7 refractors  This reducer/flattener is optimized for a 102 mm f-7 objective and it will work with other refractors of similar focal length. The flattener slips into the 2" focuser. The 0.8X focal reduction...

    $229.00
    Add to Cart
  • 5. SFFR115 Reducer for 115mm f-7 refractors

    5. SFFR115 Reducer for 115mm f-7 refractors

      Focal Reducer/Field Flattener for former model SV115T and other 115 f-7 refractors The flattener slips into the 2" focuser. The 0.8X focal reduction converts the 115 mm f-7 to f-5.6. This reducer/flattener has a standard 48 mm filter thread...

    $249.00
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  • Field Flattener for 80mm f-6 with 2" focuser

    Field Flattener for 80mm f-6 with 2" focuser

     Photographic field flattener for 80mm f-6 refractors with 2" focusers: This older version 1X field flattener is designed to improve performance with 80 mm/480 mm focal length optical systems. This flattener is designed for cameras using APS-c...

    $229.00
    Add to Cart