The body, accessories, and tripod are lightweight and fit conveniently in the provided travel bag for easy portability. for backyard exploring, outdoor adventures, camping trips, and vacations, both s and adults will enjoy of discovery and observation fun. Type: Telescop ConvenientOptical system: reflective Calibre: 130 mm Focal Length: 700mm Eyepiece: 10mm,25mm Focus ratio: f/5 Warm Tips: 1、If it shows a blurpicture, please adjust focus using focus wheel. 2、When observing an outdoor target with an astronomical Telescop Convenientindoors, do not close the window to avoid the deformation of the image caused by the reflection of the window glass. 3、Use a Telescop Convenientoutdoors, 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 Telescop Convenientinto a larger temperature difference environment because the moisture in the air will condense on the objective. 5、NEVER your Telescop Convenientat the sun or even close to the sun!