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Focal Length952mm
Focal Ratiof/7.5
Limiting Magnitude13
Resolution.9 arcsec
Tube Length w/ Dew Shield41.75"; 1060mm
The Explore Scientific ED127 Essential Edition is a large 5-inch apochromatic refractor at a truly amazing price. This telescope includes a two-inch two-speed focuser, two-inch dielectric diagonal, tube rings with Vixen style dovetail. If you are looking for a big apochromatic refractor without an equally big price tag, then the Explore Scientific ED127would be a good place to start. This telescope combines excellent mechanical construction and optics. With a full five inches of unobstructed aperture, this telescope is equally at home when observing the moon, planets, double stars or deep space objects. The moderately long focal ratio of f/7.5 makes this a sizable instrument. We recommend German Equatorial mounts with a 30 pound instrument capacity as an absolute minimum platform for this telescope.