BirdForum is the net's largest birding community dedicated to wild birds and birding, and is absolutely FREE!

Register for an account to take part in lively discussions in the forum, post your pictures in the gallery and more.

Reply to thread

Message: <blockquote data-quote="mayoayo" data-source="post: 3309251" data-attributes="member: 16781"><p>The sleeve just fits the tube and stays there by friction..it does not weight anything and fits tight,so if no external force is applied ,the thing is not slipping off the tube..I dont think the eyepiece would fall off,except by inertia if the scope is shaken, but you can  have problems..if you remove the eyepiece and leave the metal sleeve behind many times,the inside of the sleeve can start to wear ,by the same friction ,and the eyepiece can start to rotate inside the sleeve when circular motion is applied to zoom..even if you dont take the eyepiece off the scope,the zooming action might with time work the eyepiece to twist inside the sleeve ,fitting loose ,and rotating when zooming....I am not trying to be pesimistic  here, and perhaps  you'll never have any problems with it, just want you to consider the chances</p></blockquote><p></p>