Alpen Rainier 22x Long Eye Relief Eyepiece for Spotting Scope is the eye piece spotting scope accessory with fold down eye cup for Alpen Rainier series spotting scopes. Enjoy ease of using this scope whether sitting or standing. Alpen Rainier 22x Long Eye Relief Eyepiece for Rainier Spotting Scope is waterproof and fog proof. Rainier Spotting Scopes are fully o-ring sealed and nitrogen filled. Rainier Spotting Scopes are designed with Long Eye Relief for viewing comfort when wearing eye or sun glasses.