The Takahashi Extender ED is a 1.5X focal length extender designed for use with the TSA-120, TOA-130/150 and FSQ-85 telescopes. The extender is constructed using extra-low dispersion (ED) glass and features a 2 inch barrel design.
The Takahashi Extender ED is a 1.5X focal length extender designed for use with the TSA-120, TOA-130/150 and FSQ-85 telescopes. The extender is constructed using extra-low dispersion (ED) glass and features a 2 inch barrel design.