Dobsonian Showdown: StellaLyra 8″ f/6 vs Apertura AD8 vs Orion SkyQuest XT8
StellaLyra 8" f/6 and Apertura AD8 use enhanced aluminum mirrors with ~93% reflectivity; Orion SkyQuest XT8 uses standard coatings at ~89–91%. StellaLyra and AD8 include dual-speed focusers and more accessories, while XT8 Classic has a single-speed focuser and fewer extras. Weights range from 18–21 kg. StellaLyra retails for £429–£449 in the UK, AD8 for $699–$799, XT8 Classic for $629–$679.