နေစွမ်းအင်စမ်းသပ်မှု

နေစွမ်းအင်စမ်းသပ်မှု

Gelsonlab HSTM-069 ပညာရေးသိပ္ပံကစားစရာနေရောင်ခြည်စွမ်းအင်စမ်းသပ်မှု
 
နေစွမ်းအင်စမ်းသပ်မှု uses the high-brightness LED lamp as the light source, through the convex lens to focus on the projection film, and finally through the lens of three convex lens groups, the picture is projected on the screen, the film has the changing constellation of the moon circle, the constellation position change of the nebula and the four seasons sky, so as to understand the astronomical knowledge.