Harry wrote in message . ..
Hello,
I know it's very stupid, but i have cleaned my eyepiece lenses and now
i know on wich side of the eyepiece they came from, but i didnt
exactly how the where positioned
The lenses have one flat side and one curved side as seen on this
pictu
http://members.home.nl/hotze.b/eyepiece.jpg
Can someone tell me how i must place the lenses ? (on wich side the
curve or convex side) ?
Thanks very much in advance
Harry
What kind of eyepiece was it? If both lenses are simple lenses of similar size and
focal length as your drawing seems to indicate, it is probably a Ramsden eyepiece
and should be reassembled with the curved sides of the lenses facing one another.
If you don't know what kind of eyepiece it was, the scope it came from might help,
ie, was it an inexpensive small refractor, in which case it probably was a Ramsden.
Clif