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M13 2020-04-14 45cmニュートン反射Sony α7s (HKS改造）13sx100 Iso/6400双眼装置の150倍で覗くM13は圧巻、内部は星に分離し凄い！
M13 2020-04-14 45cm NewtonianSony α7s (remodeled HKS) 13sx100 Iso / 6400The M13, which looks at 150 times the binocular device, is a masterpiece, and the inside is separated into stars, which is amazing!
