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A Buyer’s and User’s Guide to Astronomical Telescopes & Binoculars

Part of the Patrick Moore’s Practical Astronomy Series Book Series

DOI: 10.1007/978-1-84628-707-7

ISBN: 978-1-84628-439-7

Publisher: Springer London - Springer Journals

Jan 1, 2007

1 - 10 of 14 Chapters

Available

Introduction

Pages: 3 –8

[This book is offered as a no-nonsense practical guide to the selection and use of telescopes and binoculars for stargazing. But these devices should not be looked upon as yet more gadgets to add to our collection of modern technical possessions. Rightly viewed, they are truly magical...
Available

Binoculars

Pages: 9 –16

[It’s commonly recommended that, before you buy a telescope, you should first get a pair of binoculars. And with very good reason! Not only are such glasses much less expensive, very portable, and always ready for immediate use, but they can also provide views of the heavens unmatched by any...
Available

Telescope Basics

Pages: 17 –25

[The diameter of a telescope’s objective (main) lens or primary mirror is known as its aperture, which is usually given in inches (and sometimes centimeters) for instruments 4-inch or larger and in millimeters for smaller ones. This is the most important of all a telescope’s parameters; for the...
Available

Refracting Telescopes

Pages: 27 –33

[The earliest of telescopes was the refracting or lens type. Initial versions used a single objective lens to collect and focus the image and a simple eyepiece to magnify it. Single lenses by their very nature have a number of optical shortcomings, chief among these being chromatic (or color)...
Available

Reflecting Telescopes

Pages: 35 –45

[The severe color aberrations of the early single-lens refractors soon led to the invention of the Newtonian reflector by Sir Isaac Newton. This form uses a concave parabolic (or spherical) primary mirror to collect light and bring it to a focus. Since the light never passes through the glass...
Available

Catadioptric Telescopes

Pages: 47 –53

[While the inventions of the refractor and reflector occurred within a scant 60 years of each other, no new form of astronomical telescope appeared on the scene for nearly another three centuries. The idea then dawned on telescope designers of combining the attributes of both the refractor and...
Available

Accessories

Pages: 55 –70

[It’s a telescope’s eyepiece that does the actual magnifying of the image brought to a focus by the objective lens or primary mirror. It also happens to be the element in the optical train that is most often overlooked as the source of good or bad performance of the overall system. An eyepiece...
Available

Binocular Sources

Pages: 71 –75

[Presented here in alphabetical order is a listing of the primary sources for astronomical binoculars. Note that this compilation does not include dealers themselves, advertisements for whom can be readily found in the various astronomical magazines such as Sky & Telescope. Under the company’s...
Available

Telescope Sources

Pages: 77 –90

[Presented here in alphabetical order is a listing of the primary sources for astronomical telescopes. Except in the case of those for some overseas manufacturers, note that this compilation does not include dealers themselves, advertisements for whom can be readily found in the various...
Available

Observing Techniques

Pages: 93 –104

[It has often been said that the person behind the eyepiece of a telescope or pair of binoculars is far more important than the size or type or quality of the instrument itself. An inexperienced observer may look at the planet Jupiter and perhaps detect its two major dark equatorial bands, while...

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