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Baader Planetarium Hyperion Telescope Eyepieces
Sky and Telescope's Hot Astronomy Product for 2008! The Baader Planetarium Hyperion 68° Modular Eyepieces offer world-class performance and unique photo-visual features at an unheard of price. No longer do amateurs need to spend more on their eyepieces than their primary instrument in order to get true high-end performance in a wide-field eyepiece. Not just a different branded version of their highly regarded cousins the Hyperions have been totally redesigned to deliver better transmission contrast and useful new features. Baader Planetarium has worked hard to give the Hyperions the world's finest optical coatings superb mechanics and their unique multifunctional design. As a visual eyepiece we have found the Hyperions deliver superb sharpness and color fidelity across their 68° wide flat-field even in fast telescopes. In our own comparisons to our personal favorites the Pentax XL the Hyperions matched the Pentax in every regard and at just over 1/3 the price! From their superb on-axis and off-axis sharpness to their pitch-black high contrast field the Hyperions really work. Viewing through a Hyperion is notably comfortable and relaxing due to their forgiving eye-position 20mm of eye-relief extra-large eyelens and an optical design that is free of annoying 'kidney-beaning' and blackouts.Some highlights of the Hyperion:Consisting of 8 elements in 5 groups (3.5mm - 21mm) the Hyperion optical design delivers outstanding sharpness and color correction over a 68° wide apparent field (65° for the 21mm). The Hyperion optical design has been chosen to deliver a exceptionally comfortable view thanks to its 20mm of eye-relief large eyelens and a pupil free of the kidney-beaning and blackouts common in many wide field eyepieces. The new 24mm uses a different optical design and delivers the same outstanding performance over its 68° wide apparent field. It is totally free of blackouts and other annoying exit pupil behaviors delivers long eye relief (17mm) virtually zero distortion and is sharp to the edge even in fast telescopes. Its flat focal plane is particularly suited to very fast newtonians that use coma correctors. The 29mm field stop makes the 24mm Hyperion the widest 24mm eyepiece we know of. The 24mm Hyperion is also the smallest and lightest of the Hyperions.High grade water-white glasses are used throughout to deliver a crystal clear view with low scatter and excellent color fidelity free of the yellow or bluish coloration imparted by many other eyepieces. Use of high-index glasses delivers low distortion and astigmatism even on scopes as fast as f/4.Baader Planetarium has gone to great lengths to give the Hyperions the most advanced multicoatings ever used on amateur telescope eyepieces (please note: these are not the same coatings other manufacturers use on their similar clones of these eyepieces..). The Hyperion Phantom Group™ multi-coatings and coating equipment are proprietary to Baader and have been designed by German coating engineers specifically for the Baader Hyperions and optimized for each of the glasses used. These coatings are applied with the latest thin-film German coating equipment training and process controls. The result are coatings that truly rival the best in the world - including the famous Zeiss Abbe Orthoscopic! The difference is clearly visible - users report that the Hyperions clearly show fainter stars and darker sky than the competitive clones.The proprietary Hyperion housings have been engineered by Baader to incorporate careful opto-mechanical design and execution of internal baffling to eliminate stray light and ghost reflections. Uncapping the eyelens reveals a pitch black interior with no distracting and contrast-robbing glints of light from unbaffled lens or metal surfaces. We call these our 'black hole' eyepieces.Works in both 1.25 and 2 focusers. The 1.25 barrel is threaded for filters and kept short (0.94) to work well in binoviewers and spotting scopes. Baader's new housing incorporates a full-length 2 barrel (0.94 long) and provides a specially designed tapered locking recess. In addition the Hyperion field stop locations have been re-designed and optimized to give the shortest focus position possible (important for binoviewer use).Soft folding rubber eyecups work for both normal and eyeglass users. Each Hyperion comes with protective lens caps and leatherette storage pouch.
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