Items related to Choosing and Using a Refracting Telescope
Synopsis
The Hidden Strengths of the Achromat Suppose you have a passion for looking at
double stars. After spending many happy years looking at your favorite ...
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From the Back Cover
The refracting telescope has a long and illustrious past. Here’s what the author says about early telescopes and today’s refractors: “Four centuries ago, a hitherto obscure Italian scientist turned a home-made spyglass towards the heavens. The lenses he used were awful by modern standards, inaccurately figured and filled with the scars of their perilous journey from the furnace to the finishing workshop. Yet, despite these imperfections, they allowed him to see what no one had ever seen before – a universe far more complex and dynamic than anyone had dared imagine. But they also proved endlessly useful in the humdrum of human affairs. For the first time ever, you could spy on your neighbor from a distance, or monitor the approach of a war-mongering army, thus deciding the fate of nations. “The refractor is without doubt the prince of telescopes. Compared with all other telescopic designs, the unobstructed view of the refractor enables it to capture the sharpest, highest contrast images and the widest usable field. No other telescope design can beat it on equal terms. From a practical point of view, refractors are the most comfortable and least troublesome telescope to observe with. They require little maintenance and cool down rapidly to allow you to observe in minutes rather than hours. Because a refractor has more back focus than almost any other form of telescope, it can accept the widest range of accessories, including filters, cameras, and binoviewers.” Explore in this book what makes refractors such a good choice for amateur astronomers and how to choose the right one for you. Also get some great tips on how to use your new refractor. Get started now, seeing for yourself the dazzling and complex universe first opened to human sight more just 400 years ago.
About the Author
Dr. Neil English has a PhD in Biochemistry, and also a BSc in Physics & Astronomy. He is a Fellow of the Royal Astronomical Society, and a regular contributor to Astronomy Now (the UK’s major astronomy magazine), as well as to Ireland's Astronomy & Space. He is the author of Guide to Mars (Pole Star Publications, 2003). Neil’s astronomical images have been published in various magazines and journals, including a full page in the June 2006 issue of Astronomy. He has used and tested literally hundreds of refracting telescopes over a period of thirty years and has written about all aspects of this kind of instrument in the magazines. He owns and regularly uses a variety of refractors - both apochromat and achromat - which he uses from his home in rural Scotland.
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