ZWO 70mm Quad APO Refractor ASIAIR The mount is brushed cast

The mount is brushed cast aluminum

Multiple Light Modes: Seamlessly switch between two brightness levels

In the late 70's I designed an eyepiece sufficiently radical that I dared attach my name to it

its soft-sided polyester outer shell has reinforced back and sides

Heavy-duty pre-assembled stainless steel tripod featuring 1

ZWO 70mm Quad APO Refractor ASIAIR The mount is brushed castThe 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.