National Geographic Ultimate Explorer Field Guide: Rocks and Minerals (9781426323010)

National Geographic Ultimate Explorer Field Guide: Rocks and Minerals (9781426323010)This fun, photo filled, fact packed guide to rocks and minerals will get kids outside to discover the amazing world underneath their feet. Created for the ultimate explorer, this book gives kids the knowledge and skills they need to identify just about anything they dig up and become true rock hounds. With tons of info and interactivity prompts, it's the perfect companion for backyard or field trip, camping and vacation. Durable and portable, it's

Unlike traditional thumb screws

8 m) with included eyepiece Focal Length: 540mm (21

protective

000 including 220 of the best deep sky and solar system objects Software: Celestron Starry Night Special Edition Software and SkyPortal App Total Kit Weight: 62

Users can attach a camera to the rear of the telescope and shoot at f/10 or attach our 8" EdgeHD focal reducer to shoot at f/7

Setting circles

98") Magnification of Eyepiece 1: 48x Highest Useful Magnification: 600x Lowest Useful Magnification: 36x Limiting Stellar Magnitude: 14

4M Image Array 3096 x 2080 Peak QE 81% Pixel Size 2

24 Secondary Obstruction by Area

This VDP300 model is 300mm long

25”/31mm/36mm)

when used with the 80PHQ F/7