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A Amici prism is used for upright and laterally correct observation with refractors, Schmidt-Cassegrain telescopes and Maksutov-. While the direct vision looking through these telescopes produces an upside-down image, you will see a diagonal mirror or prism Although an upright, but reversed image! We therefore recommend an Amici prism for all Earth observations. Also for lunar and planetary observations are a valuable accessory.
This prism can be used on the NexStar 4SE.
Generally one can say that all prisms with 45 ° angled for the moon - and planetary observations are particularly useful because these celestial bodies always move along the ecliptic. In Germany, the ecliptic is about to find the range between 15 and 68 ° above the southern horizon (depending on the latitude of the observer, season, or nocturnal observation hour). When using a prism with 45 ° thus a convenient insight with straight head position is always guaranteed.
