US$ 145.00
Air flow volume: 2000m³/h
11 holes for 0
Battery: Lithium Battery
Wheels: Yes
Pro Astronomical Telescope 114mm Aperture 875X Zoom HD High Resolution Radio Control & Control Line Air flow volume: 2000m³/hThe universe is beautiful and mysterious. Every star light comes from countless years ago. Let's explore the past and future together with children. A little knowledge about astronomical telescopes: 1. Magnification=objective lens focal length eyepiece focal length * multiplier. Although the multiple can be increased by replacing the magnification mirror, the larger the multiple is, the better the image is. 2. The larger the objective aperture of the
US$ 145.00
US$ 30.00
US$ 150.00