Takahashi FSQ-106EDX4 Extender QE 1.6x
The Takahashi FSQ-106EDX4 Extender QE 1.6x is a combination optical extender and field flattener designed specifically for the FSQ-106EDX4 telescope. The five optical element design allows for high magnifaction with a flat field and little chromatic aberation. The Extender QE is ideal for high magnification lunar and planetary visual observation, as well as CCD imaging.
The Extender QE features a 2 inch barrel.