This telescope is a great telescope with bright image quality and high magnification power that suitable for kids and beginners.This telescope can observe the moon,planets,nebula and explore the mysteries of the universe,you can also watch mountains,rivers,birds,animals and enjoy the natural scenery. Multilayer broadband coating The lens undergoes multi-layer broadband coating technology to reduce the loss of light input and improve image quality Type: telescope Focal Length: 600mm Eyepiece:9mm,25mm Warm Tips: 1、If it shows a blurred picture,please adjust focus using focus wheel. 2、When observing an outdoor target with an astronomical telescope indoors,do not close the window to avoid the deformation of the image caused by the reflection of the window glass. 3、Use a telescope outdoors,please wait for the temperature of the product is the same as the outdoor temperature,the performance will be better. 4、Avoid accidentally taking the telescope into a larger temperature difference environment because the moisture in the air will condense on the objective. 5、NEVER aim your telescope at the sun or even close to the sun!