| Document Type
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BL
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| Record Number
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602040
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| Doc. No
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b431259
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| Main Entry
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Tonkin, Stephen F.,1950-
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| Title & Author
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Binocular astronomy /\ Stephen Tonkin
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| Edition Statement
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Second edition
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| Series Statement
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Patrick Moore practical astronomy series
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| Page. NO
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1 online resource (xxv, 435 pages) :: illustrations (some color)
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| ISBN
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1461474671 (electronic bk.)
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: 9781461474678 (electronic bk.)
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9781461474661
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| Bibliographies/Indexes
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Includes bibliographical references and index
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| Contents
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1. Why binoculars? ; Portability ; Ease of setup ; The binocular advantage ; The 5-mm exit pupil ; Small focal ratio and aberrations ; Conclusion -- 2. Binocular optics and mechanics. Objective lens assemblies ; Eyepieces ; Prisms ; Coatings ; Aberrations ; Aperture stops and vignetting ; Focusing mechanisms ; Collimation -- 3. Choosing binoculars. Deciding what you need ; Binocular specifications ; What size? ; Field of view ; Eye relief ; Handheld binoculars ; Mounted binoculars ; Binoviewers ; Zoom binoculars -- 4. Evaluating binoculars. Preliminary tests ; Field tests ; Additional tests for used binoculars -- 5. Care and maintenance of binoculars. Rain guards ; Storage ; Dessicants ; Grit ; Cleaning ; Dismantling binoculars ; Right eyepiece diopter adjustment ; The solution ; Collimation -- 6. Holding and mounting binoculars. Hand-holding ; "Informal" supports ; Mounting brackets ; Monopods Neckpod ; Bodge-o-pod ; Photo tripods ; Fork mounts ; Mirror mounts ; Parallelogram mounts ; Observing chairs ; Summary -- 7. Binocular telescopes. Binocular telescopes -- 8. Observing accessories. Finders ; Filters ; Dew prevention and removal ; Compass ; Charts and charting software ; Torches (flashlights) ; Storage and transport container ; Software sources -- 9. Observing techniques. Personal comfort ; Observing sites ; Observing techniques -- 10. Deep sky objects for binoculars. Overview -- 11. December solstice to March equinox (RA 04:00 h to 10:00 h) -- 12. March equinox to June solstice (RA 10:00 h to 16:00 h) -- 13. June solstice to September equinox (Ra 16:00 h to 22:00 h) -- 14. September equinox ro December solstice (22:00 h to 04:00 h) -- Appendices -- Index
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| Abstract
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"Anyone who has used a binocular telescope or even wide-field binoculars to look at the night sky will know just how breathtakingly beautiful the view can be when you observe with both eyes. Observing galaxies and nebulae with "regular" prismatic binoculars is just the beginning. Binocular eyepieces and adapters can be added to almost any commercially-made astronomical telescope. Specialized astronomical binoculars can also be home constructed or purchased complete. These range from modest instruments to giants that are basically two large telescopes mounted together." --Back cover
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| Subject
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Astronomy, Amateurs' manuals
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| Subject
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Astronomy, Observers' manuals
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| Subject
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Binoculars
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| Subject
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Constellations, Amateurs' manuals
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| Subject
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Constellations, Observers' manuals
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| Dewey Classification
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522
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| LC Classification
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QB63.T66 2013
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| Added Entry
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Ohio Library and Information Network
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