100° field of view. This number may not reflect expected experience which the owner of a telescope with a view through this eyepiece. The absence of the otherwise ever-present visual field limitation leads to an intense, very direct visual experience. The observation Okuar a special experience
The extraordinary combination of a huge (100°) field of view, excellent picture quality even with fast lenses and practical innovations such as nitrogen gas and water tightness of this eyepiece are currently in the absolute top group of the possible. Despite the superior optical properties have been also thought that an eyepiece now and again - wet if possible - must be cleaned to maintain its performance. As a waterproof eyepiece is extremely practical. This mixture of Hochtechologie, excellent performance and practical features makes this so unique eyepiece.