ZWO 70mm Quad APO Refractor Hydrogen Alpha yet capable of bearing a

yet capable of bearing a 14 kg payload

the double-stack etalon adds on $2100 to that price

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Dumbbell nebula M27…)

ZWO 70mm Quad APO Refractor Hydrogen Alpha yet capable of bearing aThe FF70 APO uses a quadruplet air spaced APO lens design, including one piece of ED glass. It supports 44mm, full frame imaging. With an aperture of 70mm, a focal length of 490mm, and a native focal ratio of f 7. 0, the FF70 APO is versatile and can be used for both visual observation and astrophotography. The telescope's self flattened design means no more precisely calculating your backfocusif you're achieving focus, you'll get sharp stars, period.