300mm Astronomical Telescope 150X with Phone Adapter Barlow Lens for Kids Gift
Best gifts for kids to discover the mystery of universe. Let us look forward to it together! 3X Barlow lenses together: 50 x 3 = 150X, 15 x 3 = 45X. Magnification power: 15X - 150X. 1.5X Barlow lenses together: 50 x 1.5 = 75X, 15 x 1.5 = 22.5X.