Astronomical Telescope Stargazing HD Adult Student High MagnificationProduct Description:Excellent optical performance: 400mm (f/5.7) focal length and 40mm aperture, fully coated optical glass lens, high transmission coating, can produce stunning images and protect your eyes. The perfect full-positive telescope for astronomers to explore the stars and the moon.This is a small refracting astronomical telescope that does not take up space and is suitable for astronomy beginners. Equipped with 2 eyepieces with different magnifications, you can match them to observe objects of different distances and sizes.It is moderately sized, easy to carry and simple to operate. Although it is used by students and children, it does need color. The combination of black and black looks mysterious and protects children's eyes from harm. The product quality is good, and the standard optical glass lens is not easy to break.For novices such as students and children, suitable magnification, full functions and simple operation are the choices. High magnification requires too high, too far, and can't see clearly. Such requirements are difficult to meet, and it is even more counterproductive for children.Adjustable tripod: This telescope is equipped with an adjustable aluminum alloy tripod, which can achieve a variety of different viewing positions.Main tube color: whiteWeight: about 1.3kgAperture: 40MMFocal length: 400MMFocal ratio: 7.2Optical system: refractiveUltimate performance: 8.8Base type: desktopBracket material: aluminum alloyCorner mirror: 90MMResolution: 199MMMain mirror weight: 06KGMain mirror length: 06KGGross weight: 1.8KGConcentration: 68XBox size: 38*209CMLeg height: 45CMCarton size: 39CM*20CM*9.5cmObservation combination: 1.5x upright objective lens + 20mm eyepiece + objective lens (fully upright) (Figure)Product includes:Main tube: 45cm