Several customers have asked about using the latest generation (Mark IV) of Baader Hyperion 24mm-8mm zoom eyepieces in our BT-70-45 and BT-100-45 binocular telescopes. So we purchased a pair (best price we found online is $289.95 each) to see if they are a worthwhile alternative to multiple pairs of eyepieces in various focal lengths. The … Continue reading Review – Baader Hyperion Mark IV 24mm-8mm Zoom Eyepieces