Binocular Astronomy / Edition 1

Binocular Astronomy / Edition 1

by Stephen Tonkin
     
 

ISBN-10: 1846283086

ISBN-13: 9781846283086

Pub. Date: 12/28/2006

Publisher: Springer London

This book contains everything an astronomer needs to know about binocular observing. The book takes an in-depth look at the instruments themselves. It has sections on evaluating and buying binoculars and binocular telescopes, their care, mounting, and accessories. In addition there is a selection of fifty fine objects to be seen with 50mm and 100mm binoculars. The

Overview

This book contains everything an astronomer needs to know about binocular observing. The book takes an in-depth look at the instruments themselves. It has sections on evaluating and buying binoculars and binocular telescopes, their care, mounting, and accessories. In addition there is a selection of fifty fine objects to be seen with 50mm and 100mm binoculars. The advantages of using both eyes for astronomical observing are many and considerable, largely because of the way the human brain processes visual information. This book enables the astronomer to maximize those advantages.

Product Details

ISBN-13:
9781846283086
Publisher:
Springer London
Publication date:
12/28/2006
Series:
Patrick Moore Practical Astronomy Series
Edition description:
2007
Pages:
284
Product dimensions:
6.10(w) x 9.20(h) x 0.80(d)

Table of Contents


Introduction     xiii
Why Binoculars?     1
Portability     2
Ease of Setup     2
The Binocular Advantage     2
The 5-mm Exit Pupil     3
Small Focal Ratio and Aberrations     4
Conclusion     5
Binocular Optics and Mechanics     7
Objective Lens Assemblies     7
Eyepieces     9
Prisms     9
Coatings     19
Aberrations     24
Aperture Stops and Vignetting     28
Focusing Mechanisms     29
Collimation     33
Choosing Binoculars     35
Binocular Specifications     35
Field of View     37
Eye Relief     39
Hand-held Binoculars     39
Mounted Binoculars     41
Binocular Telescopes     43
Binoviewers     45
Zoom Binoculars     46
Evaluating Binoculars     49
Preliminary Tests     50
Field Tests     57
Care and Maintenance of Binoculars     59
Rain Guards     59
Storage     60
Dessicants     61
Grit     61
Cleaning     62
Dismantling Binoculars     64
Collimation     69
Holding and Mounting Binoculars     73
Hand-held Binoculars     73
Mounting Brackets     77
Monopods     80
Photo Tripods     81
Fork Mounts     83
Mirror Mounts     84
Parallelogram Mounts     85
Observing Chairs     87
Observing Accessories     93
Finders     93
Filters     96
Dew Prevention and Removal     97
Compass     99
Charts and Charting Software     99
Torches (Flashlights)     100
Storage and Transport Container     101
Software Sources     102
Observing Techniques     103
Personal Comfort     103
Observing Sites     105
Observing Techniques     106
50 Deep Sky Objects for 50 mm Binoculars     107
100 Deep Sky Objects for 100 mm Binoculars     157
Appendices
Double Stars for Indicating Resolution     247
Limiting Magnitude     253
True Field of View      258
Useful Addresses     266
Internet Resources     270
Binocular Designations     271
Glossary of Terms     273
Index     281

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