StellaLyra 8″ f/6 and Apertura AD8 are both 203 mm (8″) parabolic-mirror Dobsonians with a 1200 mm focal length (≈ f/6). Vaonis Vespera II uses a 50 mm f/5 quadruplet apochromatic refractor with a built‑in camera and a Sony IMX585 sensor (8.3 MP). The StellaLyra and Apertura are manual Dobsonians on wooden alt-az mounts, while…
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