What sets the 22mm Nagler Type 4, 2" Ultra Wide Field Eyepiece apart is its innovative design, based on the renowned Nagler concept, that perfectly balances size, weight, and cost while offering a consistent 20mm eye relief. This eyepiece, designed by the trusted brand Tele Vue, is a testament to their commitment to enhancing the stargazing experience with high-quality, durable, and reliable equipment. The Nagler Type 4 eyepiece is not just an improvement on its predecessors, but a revolutionary product in its own right. It boasts of advanced glass types that contribute to superior imaging, enhanced contrast, and reduced pincushion. Ghost suppression is another notable feature, along with a novel concept of a click-stop adjustable eyeguard. This eyepiece applies the lessons learned from the Radian series to the 82-degree Nagler Type 2 design goals, resulting in increased eye-relief, more contrast, reduced pincushion, and an expanded true field. The first to debut in this series is the 12mm version, which replaces not only the 12mm Nagler Type 2 but also its predecessor 13mm and the 11mm, now considered a collector's item. Users have confirmed that for deep sky viewing, the comfort, clarity, and contrast of the 12mm Type 4 brings us closer to our "spacewalk" viewing goal. Similar in size and weight to Type 2, it offers more true field and 50% greater eye relief, while using just six elements. The 22mm Nagler Type 4, in comparison to the 20mm Nag