Takahashi - 4 inch Field Flattener for Takahashi TOA-130F & TOA-150

    * The Takahashi 67-FL Flattener attaches to the 4" focusers of the Takahashi TOA-130F and TOA-150 refractor.
    * Produces a big 70mm image circle.
    * The Takahashi 67-FL Flattener includes #83 coupling ring to adapt to both telescope unique features. 

The Takahashi 67-FL flattener is designed to be used with either the Takahashi TOA-130F and/or the Takahashi TOA-150 refractor.
Both telescope have unique connections, so a #83 coupling ring is also included in the package which will allow it to adapt to
both telescopes or the extension tube.

Get a great flat field with whatever type of system you use!