FILTER SIZE: 80mm/90mm telescopes (like the Sky-Watcher BKMAK90)

Who says astronomy only has to be at night? You too can safely observe the Sun, with your own solar filter. With it, you will be able to see sunspots, and future transits of Mercury passing by the Sun.

12 Months local Singapore warranty is included in this package to ensure that buyers security for the condition of the products purchased.