12.5mm Orion Edge-On Planetary Eyepiece
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12.5mm Orion Edge-On Planetary Eyepiece Overview
Edge-On Planetary eyepieces bring flat-field performance to solar system viewing in the form of three high-magnification focal lengths. Each employs a sophisticated 7-element lens design reminiscent of exotic, high-priced oculars to provide a sharp focus all the way to the edge of their wide 55-degree apparent field of view. The barrel distortion and field curvature aberrations common in standard eyepiece designs are virtually gone. Edge-On Planetary eyepieces let you push the power, whether you're canvassing the lunar terminator or studying the Jovian cloud belts. The 7-element optics are fully multi-coated for high light transmission, and each eyepiece has 20mm eye relief for viewing comfort. Other nice touches: blackened lens edges, pop-down rubber eyeguards, and barrels threaded for 1.25" filters. Barrel diameter: 1.25".
12.5mm Orion Edge-On Planetary Eyepiece Feature
- High-magnification 12.5mm focal length 1.25" Edge-On Planetary eyepiece designed for exceptional views of the Moon and planets as well as compact celestial objects
- Flat field design ensures sharp focus out to the edge of their wide 55 degrees apparent field of view
- Barrel distortion and field curvature commonly seen in standard eyepiece designs are delightfully absent in the 12.5mm Edge-On Planetary
- Telescope eyepiece features a long 20mm eye relief for comfortable viewing even with eyeglasses on
- This amazingly affordable Orion Edge-On eyepiece won't have you "on edge" financially!
