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Orthoscopic Eyepieces


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Orthoscopic Eyepieces

The most popular eyepieces for astronomical observing, these offer very wide, flat fields, excellent spherical and chromatic corrections, greater eye relief than Kellners, and freedom from scattered light. They come with four-element design and coated lenses. They are mounted in standard 11/4" O.D. chrome-plated brass barrels with aluminum tops.

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Item #DescriptionPriceQty
30303644mm. Eye Relief: 3.22mm. Apparent Field: 41°. Field Stop Diameter: 2.8.

In stock and ships immediately
 $99.95
303040725mm Eye Relief: 22.23mm. Apparent Field: 47°. Field Stop Diameter: 17.5.

This item is no longer available
 $99.95



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 -  Monday, August 25, 2008
The Best Lunar and Planetary Eyepieces
Reviewed By: Joseph S. Romaninsky (Gouldsboro, PA)
These are superb eyepieces for observing the moon, planets, double stars, and tight open clusters. They offer high contrast and sharp images across the field of view. Best used with medium to long focal length telescopes. These are high quality oculars. ( Not designed for rich field telescopes, including the Astrosan. )


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