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4. Reducers and/or Flatteners for other telescopes

  • Stellarvue SFF7-21 Field Flattener

    Field Flattener for refractors with 2" Focusers - SFF7-21

    This is our older modular flattener designed for Stellarvue telescopes that have a 2" focuser and operate at around 700 mm focal length. If your focal length is shorter additional extension rings may be needed to get optimal results. The lens inserts...

    $195.00
  • Reducer/Flattener for former SV80ED

    Reducer/Flattener for former SV80ED

      Focal Reducer/Field Flattener for former model 80 apo refractors with 2" focusers This reducer/flattener is optimized for our former 80mm f/6 ED TRIPLET telescopes. Please note this is 1mm too long to work with the doublet f/7 scopes. This...

    $195.00
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  •  Reducer/Flattener for SVR90T with 2.5" Focuser - SFFR90-25

    Reducer/Flattener for SVR90T with 2.5" Focuser - SFFR90-25

      Focal Reducer/Field Flattener for SVR90T Apochromat This reducer/flattener is optimized for our SVR90T triplet lens. The flattener threads into the Feather Touch or Stellarvue 2.5” focuser. The 0.8X focal reduction converts the 90mm f-6 to...

    $229.00