Features: Super wide 68 degree apparent field of view;gets broad field observations for amazing observing experience Fully multi-coated lens;broadband green film optical glass increases light permeability for sharp images Multi-element design delivers sharp images;highly achromatic with good color correction and contrast Black anodized aluminum housings;internally blackened to eliminate light scattering and contrast Fold down soft rubber eye guard;block stray light also bring the convenience to eyeglass wearers Fully multi-coated lens Multi-element design delivers sharp images with good color correction and contrast Standard 1.25 inch thread Threaded specification of M28.5*0.6 standard, supports standard 1.25-inch filter adapter installation. 68 Degree Ultra Wide Angle This 68Field of View is wide enough to be generally comfortable viewed and makes this eyepiece ideal for a variety of observational purposes including deep-sky and planetary viewing. Black anodized aluminum housings Aluminum 1.25 eyepiece barrel is internally blackened to eliminate light scattering Non-slip rubber grip A rubber grip keeps the eyepiece securely in your hands even when its cold or you have gloves on. Folding Down Rubber Eyecup Folding down rubber eyecup provides comfortable viewing for people with or without glasses; bayonet mount can also block stray light to increase the brightness of imagine. Two Dust Covers Comes with two sturdy dust cover protect the eyepiece from dust and moisture; convenient to carry and storage. Specifications: