Flexible Focuser Extender for Meade ETX 60, 70, 90, 105, 125 Telescopes w/ Meade 497 Autostar by ATOZstars Compatible with Meade ETX 60,70, 90, 105, 125 Telescopes. Allows focusing of the Meade ETX series in in position. Reduces vibration during focusing. Once install, no need to remove. Use your original focusing knob.