Thread: best lightweight alt-az mount for Apo ?!???!
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Old 24-04-2012, 11:04 AM
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madbadgalaxyman (Robert)
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Stable precise Unitron altazimuth mount, with long tube four inch on it: (now a collectors item!!!)

Click image for larger version Name: unitron altaz.jpg Views: 66 Size: 76.5 KB ID: 113904


Why have the designers of the current altaz mounts for refractors forgot the basic design principles in the old telescope making books?
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