Use Astronomical Eyepieces with Spotter For Terrestrial & Astronomical Use Fits 85 & 95mm Harpia Spotting Scopes Fits All Hyperion & Morpheus Eyepieces Fits Most 1.25″ Eyepieces Your Zeiss Harpia spotting scope becomes a telescope with this Baader 1.25″ Bayonet Eyepiece Adapter from Alpine Astronomical. The adapter allows use of high-quality astronomical eyepieces, including all Baader Hyperion and Morpheus models, with 85 and 95mm Harpia objective-zoom spotters. Along with stargazing, the setup is great for birding and other terrestrial uses too. The adapter stays attached to the eyepiece, so switching them out is quick and easy, and the bayonet ensures a secure connection. Designed for seamless integration with Zeiss Harpia spotting scopes Enables the use of 1.25″ astronomical eyepieces Facilitates astrophotography and digiscoping applications Precision-engineered for optimal optical alignment Fits all Baader Hyperion and Morpheus and most other 1.25″ eyepieces