ETZRYSYB Telescope Astronomical Optical Telescopio Professional Monocular Astronomic

Very suitable for hiking, camping, bird watching, wildlife, sports, concerts, travel, and scenic viewing. Moon Filter: Because there is a lot of reflected light interfering our observation of full moon, so we can use the moon filter to avoid the interference, and then the moon's surface will be seen more clearly. Please screw the moon filter into the threaded of eyepiece lens' lower part, and then connect the eyepiece lens with zenith lens. Equipped with eyepiece: H6mm, H20mm, multiples are 300/6 = 50X, 300/20 = 15X If choose 3X Barlow lens together, multiples are 50 x 3 = 150X, 15 x 3 = 45X Plus 1.5X the positive lens again, multiples are 50 x 1.5 = 75X, 15 x 1.5 = 22.5X Whether it's keeping it at home to observe the moon or planets, or taking this travel telescope on the road to watch birds and appreciate scenery, it's a great gift for beginners to enjoy various family entertainment times.