Stellarvue 0.8X Reducer Flattener for SVR102T with 2.5" Focuser

ITEM #
SV-SFFR102-25
  • Sale
  • Regular price $295.00
  • Stellarvue 0.8X Reducer Flattener for SVR102T with 2.5" Focuser

    • Sale
    • Regular price $295.00
    • ITEM #
      SV-SFFR102-25


    1

    Features

    Stellarvue 0.8X Reducer Flattener for SVR102T with 2.5" Focuser

    Stellarvue 2.5Ÿ??????????? 0.8X Reducer Field Flattener for SVR102T

    The Stellarvue SFFR102-25 Reducer Flattener is optimized for use with the SVR102T that sports either an SV 2.5" focuser or a 2.5" Feather Touch Focuser. The SV Reducer Flattener threads into the 2.5" focuser. A 48 mm filter thread is machined into the reducer flattener, allowing you to add standard 2Ÿ??????????? filters when desired. The focal reduction of the SFFR102-25 is 0.8X, which converts your SVR102T to f/5.6.

    The backfocus of the Stellarvue 2.5Ÿ??????????? Reducer Flattener is 55 mm. Since a DSLR with t-ring has a 55 mm backfocus, it is a simple matter to use the reducer/flattener for DSLR imaging. Just insert the reducer/flattener into the SVR102T focuser and then thread the camera/t-ring combo onto the flattener. An example is shown in the additional images section to the left.

    If you will be imaging with a CCD camera as opposed to a DSLR, extension tubes may be required to achieve focus. It is important that you know the distance between your cameraŸ???????????s t-thread and the sensor, and it is equally important to remember that the distance from the back of the field flattener/reducer to the CCD sensor remains at 55 mm. If the CCD camera, for instance has a backfocus of only 35 mm, a 20 mm extension will be needed. If any extension tubes are required for your set-up, they will thread between the camera and the field flattener, as shown in the example provided in additional images. Please note that the camera side of the reducer/flattener requires extension rings with a standard t-thread (M42x.75).

    Additional Information

    ManufacturerStellarvue

    Questions & Answers

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    • What is the size of the image circle at the 55mm backfocus? Or, what is the largest chip size that can be used with this reducer?

      The reducer is designed for a full frame sensor. However, because it's t-thread it may vignette on anything larger then a 38mm sensor.

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