Meade Astro-Tech AT80ED دليل المستخدم

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astro-techAT80ED
from Astronomy Technologies
Thank you for choosing this Astro-Tech AT80ED high- a clear step ahead of competitive scopes.
performance ED refractor. At its exceptionally low price, we believe that you will
The images from its fully-multicoated ED (Extra-low find that the mechanical and optical performance of your
Dispersion glass element) air-spaced doublet optics are AT80ED is little short of astonishing.
virtually free of the annoying violet haloes of chromatic This instruction

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Your Astro-Tech AT80ED refractor is usable for day and night coatings to complement the performance of your AT80ED. These viewing, simply by adding a star diagonal and eyepiece. Any brand of diagonals are available from your Astro-Tech dealer to provide the eyepiece can be used, from a 40mm for the lowest practical maximum possible brightness and planetary detail. A 45° viewing magnification (14x), to a 3mm (187x) for high power use. The 2” image-erecting 1.25” diagonal is also available for ter