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Reflecting Telescopes
Reflecting Telescopes - Tips and AdviceThis would be a long exposure photograph of ten minutes or longer, like the star trails. Using the telescope and various camera lenses years worth of astrophotographs can be obtained with piggybacking. The difference is that the telescope moves the camera lens to counteract the earths motion while keeping the stars in place. There is also a weight and camera hang issue with this adaptor. Disadvantages – special requirements limit the range of eyepieces which can be used with this adaptor. Steady Pix. Reflecting Telescopes GuideThis adaptor does not enclose the camera lens to shade out stray lighting. Uni-T, The UniT is on the high end of the low cost Scopetronix range, coming in at $34,95. Disadvantages – achieving precise alignments is harder because there is no threaded coupling. Requirements – this is a threaded lens barrel adaptor which can be used with a T-ring or step up/down ring. Disadvantages – with the adjustable diameter there is the tradeoff of easy alignment. Advantages – this adaptor will handle a broad range of ,965” and 1,25” eyepieces as well as eyepieces with an outside diameter of ,25”-1,5”. Reflecting Telescopes Facts
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