Now you can take close-up shots like you've never taken before. Opteka proudly presents the next generation of HD2 Macro lenses. These Close-Up diopters, which just like filters are simply screwed onto the front of the existing camera lens, permits taking super close-ups and makes possible the photography of details which would be otherwise impossible.The built-in lens on most digital cameras cannot focus on any object closer than a certain minimum distance. The Opteka close-up lens set, which is simply mounted in the front of the cameras built-in lens, permits the taking of extreme close-ups in stunning detail. The easy to use solution for getting extra close. This lens will enable you to get much closer than the minimum focus of the standard camera lens - as close as 4 inches from the subject. Ideal for cataloging small items and focusing on details.Your pictures are only as good as the glass in your lens.Nothing changes the way you see the world like High Definition II, and no company does High Definition II like Opteka. In the professional setting, Opteka's glass optics defines High Definition. Change the way you view the world. Enjoy outstanding detail, enjoy enhanced clarity, enjoy Opteka.Advances in high-index / low-dispersion optical glasses, new barrel materials, and exotic anti-reflection coatings, along with the latest in computer-aided-design / computer-aided-manufacturing, are combined to produce lenses of unprecedented quality. Diamond-cut from crystal-clear, water-white optical glass, Opteka lenses are ground and polished to a precise precision. Opteka lenses stand up to the most rigorous demands on the stage and on location. Opteka's hard anti-reflective (AR) coating offers protection specially formulated to resist flaking, peeling and scratching. This proprietary AR coating also reduces light loss and flare to less than 1% per surface, compared to untreated glass which has a light loss of 4% per surface.