astro.n-minus

Accessory · 2015–

Sky-Watcher Quattro Coma Corrector

Sky-Watcher Quattro Coma Corrector

Key specifications

Accessory typeFlattener/Reducer
Weight0.31 kg
Back focus55 mm
Factor1 ×

About

Coma corrector (with mild reduction) matched to the fast f/4 Quattro imaging Newtonians, removing off-axis coma for pinpoint stars across the frame; M48 threads with 55mm back focus. (On the Quattro 150P it yields f/3.45 / 518mm.)