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Sky-Watcher PRO 80mm f/7.5 ED APO OTA with Aluminum Case S11100Sky-Watcher PRO 80mm f/7.5 ED APO OTA with Aluminum Case S11100 Detail :
Sky-Watcher PRO 80ED APO Refractor: Portable Optical Powerhouse!

Due to their unobstructed textbook-like diffraction patterns and exotic optical properties, the ED-APO produces the sharpest, highest quality imaging obtainable from any telescope optical design. These breathtakingly pristine celestial views are coveted by experienced amateur astronomers.

Observing with SW PRO ED-APO 80mm Refractor

Fortunate indeed is the amateur astronomer with a SW ED-APO 80mm refractor on a clear night with transparent skies and a stable atmosphere. The Sky-Watcher ED-APO 80mm is a modestly wide-field telescope offering bright, wide swaths of sky in a single view. It is well suited for wide-field astronomical observation of prominent nebulae, star clusters, and galaxies from a dark-sky location, or can be used as an astrograph for sky photography. As a terrestrial spotting scope or telephoto lens, the ED-APO's performance is absolutely superb. Ultra high contrast allows the subtlest of details to be easily scrutinized under conditions of good seeing. The petite silhouette of the SW ED-APO 80mm makes for an excellent compact, portable telescope that travels light and fits a small space. At about 50-power structural detail becomes apparent in our solar system's gas giants like Saturn and Jupiter. The Moon also exhibits striking crater detail along the lunar terminator.

As an astrograph, the SW PRO 80ED delivers superb performance imaging a wide spectrum of astronomical phenomenon.

Refractors's the Ultimate Imaging Instruments

In a given aperture size, refractors will always exhibit sharper images than other optical designs because the refractor concentrates more light into the central airy-disk and first diffraction rings. There is no diffraction pattern interference caused by a diagonal mirror, or secondary mirror being suspended in the optical path (central obstruction) as is the case with reflectors.

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