We are fortunate to live in an age when creative individuals and companies have produced a number of outstanding accessories. Fifty years ago, cutting-edge accessories were items such as Orthoscopic eyepieces, multi-element Barlow lenses, floatation-type mirror cells, and (film) camera-to-telescope adapters.
Innovation and equipment evolution continue. We now have accessories that we couldn’t imagine half a century ago. Among them are binoviewers, an optical-mechanical device that lets you to use both eyes at the telescope. Using two eyes means more light gets to your brain. That translates to an ability to observe fainter objects.
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