Comparison with the number of stars Konica Minolta’s optical Immersive starry sky Contributes deep understanding Encourages interests Opticals with tens of millions to 100 million stars Too many stars diffuse light on the screen Visible milky way despite bright background Rich and accurate brightness gradation Easy to follow stars！ Poor brightness gradation of dark stars, bright background whitens when adapting in the dark Unnatural Starry Sky！ Never get tired by dark background Want to watch constantly！ Shining 1st mag stars impress audience Deeply Moved！