Titlebook: Binocular Astronomy; Stephen Tonkin Book 20071st edition Springer-Verlag London 2007 Binoculars.Equipment.Observational.astronomy.instrume

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The Patrick Moore Practical Astronomy Serieshttp://image.papertrans.cn/b/image/186311.jpg

斜谷

https://doi.org/10.1007/3-540-27528-2ry to a more experienced observer’s “main” instrument—a telescope. There is a great deal of justification for this. Binoculars indeed make excellent starter instruments for new observers, especially those of limited financial means. Not only is a medium aperture binocular of reasonable quality less

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Fatima Lopez-Martinez,Jorge Filipe Gameiroa significant part in determining how much you will be able to see. If the binoculars are not held in a manner that is reasonably stable, in order to eliminate shake, the amount of detail you see will be severely reduced. If you are not comfortable when you observe, you will quickly tire, and tiredn

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Alienated

Modeling Jet Launching from Accretion Disks far south, for example, are easily visible in 8×30 binoculars. With the exception of objects that fill the eyepiece in 10×50 binoculars, all of these objects are better viewed, in the sense that more detail can be seen, in larger instruments. Similarly, many objects in the list for 100-mm binocular

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Limited

https://doi.org/10.1007/3-540-27528-2There is no “ideal” binocular for astronomy; the individual choice is therefore determined by the reason for choosing binoculars, the purpose to which the binoculars will be put, and the budget.

特別容易碎

https://doi.org/10.1007/978-3-030-14128-8As any observer with any amount of experience will know, using appropriate techniques will not only increase the chances of observing difficult objects, but will also enhance the pleasure of observing.

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Binocular Optics and Mechanics,There are three main parts to a binocular’s optical system: