Meade Instruments 07730 Series 5000 HD-60 4.5-Millimeter Eyepiece (Black) Large 60-degree apparent field of view and a tack sharp, flat field of view 1.25-inch barrel and adjustable twist-up rubber eye guards for maximum comfort 6-element, multi-coated optical design Premium-grade optical glass and blackened lens edges for greater contrast that removes stray light Comes with a 1-year limited warranty