Neil English, "Choosing and Using a Dobsonian Telescope"
English | 2011 | ISBN: 1441987851 | PDF | pages: 239 | 9.2 mb
English | 2011 | ISBN: 1441987851 | PDF | pages: 239 | 9.2 mb
Presenting in-depth accounts of this astronomical telescope, this volume is the ultimate guide to commercial Dobsonians. The Dobsonian design combines simplicity and portability, and remains supreme for visually observing faint deep-sky objects.