Get on Amazon : br br Celestron Advanced VX 6 Refractor Telescope br br 6 150mm f8 objective lens is perfect for high contrast planetary views br 2 Focuser allows use with 2 and 125 accessories br Integer gear ratios and permanently programmable Periodic Error Correction eliminates recurring track errors from the worm gear br Autoguider port for long exposure imaging br New motors offer improved tracking performance provide more power to overcome load imbalances :