Description
The ETX telescopes have an internal mirror to reflect the light to the 90° astronomical observing position. In this position the image is upright, but reversed (a mirror image). The Erecting Prism gives you a correctly oriented image for terrestrial observing, and a convenient 45° viewing angle. This allows you to use your ETX telescope to do double duty as a powerful spotting scope for hunting, bird, and ship watching, etc.
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