The Meade 07751 Series 5000 14-Millimeter Xtreme Wide Angle 2-Inch Eyepiece features (9) optical elements to achieve a high contrast image with sharp correction. This eyepiece has a 100-degree apparent field of view and super multi-coated lenses with blackened edges in 2-inch diameter format. Additional features include comfortable, long 14.5-millimeter eye relief and a rubber eye guard that provides comfort while getting rid of unwanted light. This eyepiece series has (3) different focal lengths- 9, 14 and 20-millimeter, which are all Parfocal. The Meade 07751 Series 5000 14-Millimeter Xtreme Wide Angle 2-Inch Eyepiece comes with a 1-year limited warranty. Meade has everything you need to capture the night sky for experienced star-shooters, serious researchers and beginners alike. Serious astronomers for years have flocked to Meade telescopes for their quality optical systems and patented technology. Consumers know that "Meade Optics Inside" means that what they see through our telescopes will be views that are detailed, crisp and full of contrast. Look through a Meade this evening and see what you've been missing.