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Meade #933 45ø Erecting Prism (1.25") 07220 : Typical of most astronomical Meade telescopes , images through the ETX -60AT and ETX-70AT appear right-side-up but reversed left-for-right. For astronomical viewing this orientation is of no consequence. However, for terrestrial observing, where a fully correctly oriented image is desirable, 45ø Meade Erecting Prism 07220 threads on to the telescope 's rear cell and accepts an eyepiece of any focal length...

Sales Price: $ 49.95