[mr bruess]

Flat field design ensures sharp focus out to the edge of their wide 55-degree apparent field of view
* Barrel distortion and field curvature commonly seen in standard eyepiece designs are gone
* Each eyepiece has long 20mm eye relief for comfortable viewing even with eyeglasses on

eyepiece 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.
good condition. Asking $100