Bargain 5mm Orion Edge On Planetary Eyepiece
- High-magnification 5mm focal length 1.25″ eyepiece designed for exceptional planetary and lunar viewing through any telescope
- Flat field eyepiece design ensures sharp focus out to the edge of its wide 55-degree apparent field of view
- Barrel distortion and field curvature commonly seen in standard eyepiece designs are not seen in Orion Edge-On eyepieces
- Features a long 20mm eye relief for comfortable with or without eyeglasses
- Amazingly affordable Orion Edge-On telescope eyepieces wonâ?TMt leave you financially on edge!
Edge-On Planetary eyepieces bring flat-field performance to solar system viewing in the form of six medium- and high-magnification focal lengths. Each employs a sophisticated 7-element lens design reminiscent of exotic, high-priced oculars. This design renders an optically flat image that’s sharply focused from center to edge of the 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 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 1.25″ barrels threaded for filters.