Meade Series 4000 eyepieces yield the widest possible fields of view, consistent with pinpoint edge-of-field sharpness and long eye relief-and yet with extremely low astigmatism, spherical aberration, and off-axis colour. Incorporating 7-layer multi-coatings and edge-blackened optics for optimum image contrast, these sophisticated 4 to 8-element designs permit levels of optical performance generally impossible to achieve with eyepieces of fewer e