National Geographic Kids Bird Guide of North America, Second Edition (9781426330735)

National Geographic Kids Bird Guide of North America, Second Edition (9781426330735)Fly into the world of birds in the most complete guide for kids to North America's birds, featuring range maps, cool facts, fun activities, and detailed descriptions and drawings by Jonathan Alderfer, one of the country's top avian experts and artists. Kids can soar with peregrine falcons or hop with backyard sparrows or sing with robins in the pages of this engaging guide, perfectly leveled for kids just discovering these fascinating feathered

has holes cut to accept two 2" eyepieces and five 1

unsurpassed color accuracy

various instruments such as mounts

5 Length with diagonal (inch) 28

astrophotographers can simply equip it with any possible imaging accessories

Under long exposure

Coma corrector for Newton telescopes that neither reduces the focal length nor the image field of your telescope

which takes the usable diameter down to 25mm

An OIII filters expands your imaging possibilities

Extender adds 1

and realizes high picture quality in the visible and near infrared light regions

Nevertheless