The Vixen ED103S is an apochromatic refractor, which has fantastic contrast and 4" aperture, sufficient for viewing most of the planets and many stars. With its ED glass elements, chromatic aberration has been reduced to nearly undetectable levels, permitting a much more practical use of the higher magnifications than when using other achromatic refractors of seemingly identical specifications.
Vixen's ED Glass has brought refractors back to the forefront of premium telescope choices to compete with the 8" and larger ubiquitous Schmidt-Cassegrains that, while bringing in enormous quantities of light, simply cannot compare to the contrast of the apochromatic refractor.
The included flip-mirror adapter allows either 90 degrees or straight-through observing. With an eyepiece on each end of the flip-mirror, you can quickly switch between the two as the declination of your object of interest changes its location in the sky.
The SPHINX equatorial mount and STARBOOK controller have been intelligently engineered for high-speed automatic location of celestial objects. It is now possible to explore the beauty of the night sky with greater ease and stability. The SPHINX comes standard with built-in motors and the world's first star chart go-to controller, STARBOOK, with a large full color LCD display. The Sphinx's design is exceptional and the exterior styling is equally attractive.
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