This book may have occasional imperfectionssuch as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and des..
The main goal is to serve as an entry into the current literature on the ergodic theory of measure preserving actions of semisimple Lie groups for students who have taken the standard first year graduate courses in mathematics. The author develops in a de..
Glas verbindet Außen- und Innenräume - gleichzeitig schützt es den Innenraum vor der Außenwelt. Die konstruktiven Möglichkeiten des Materials reichen weit über klassische Fensterkonstruktionen hinaus. So verfügen spezielle Gläser über erstaunliche..
There are 2 eyepieces, a 3x Barlow lens to triple the magnifying power of each eyepiece, an erect image diagonal for correct image orientation, a full-height aluminum tripod, LED flashlight, and compass included in it. Celestron s SkyPortal app for iOS and..
It features German equatorial mount make setting up the telescope to fine adjustments for precise positioning. This telescope have a multi-coated 3x Barlow lens that triples the magnification of each eyepiece for detailed viewing. The Celestron 21048 featu..
You can easily change range scales, control your music, switch between apps, and even mark your waypoint. Enjoy the ease of convenience and superior performance with E62351. E62351 Features: RCU-3 Remote Control Unit f/ E7 Series, Access to Frequently Used..
It features Built-on StarPointer Finderscope to help accurately find objects of interest without being tethered by skills and starcharts. TheSkyX First Light Edition astronomy software with a 10, 000 object database, printable sky maps and 75 enhanced imag..
It features manual alt-azimuth mount that has an altitude lock and slow-motion controls for precise tracking of moving objects. This telescope have a 3x Barlow lens that triples the magnification of each eyepiece for a wider-range of observing possibilitie..
This telescope have fully coated air-spaced double objective lens for clear magnified images. The Celestron 21087 comes with two eyepieces that produce magnifications of 100x and 20x for comfortable astronomical viewing. This telescope include 90° erect..
It features German equatorial mount make setting up the telescope to fine adjustments for precise positioning. This telescope has a multi-coated 3x Barlow lens that triples the magnification of each eyepiece for detailed viewing. The Celestron 21037 featur..