Crater Copernicus, 200mm GSO Newton f/5, QH5IIc camera, Televue 3x Barlow lens. Published 26/05/2018 at 1129 × 871 in Lunar telescope comparison 80mm, 127mm, 200mm ← Previous Next → Crater Copernicus, 200mm GSO Newton f/5, QH5IIc camera, Televue 3x Barlow lens.