I recently purchased an older Telementor with the helical focuser. The scope is in good condition but is missing the extension tube which attached to the front of the focuser. I believe, but am not sure, that this extension tube is 80 mm. with the M44 thread. Without the extension tube, a simple eyepiece will not come to focus. I would like to be able to use the scope just with the plastic M44/.956 adapter and an eyepiece.
Does anyone know exactly how long this extension tube should be and where I might find one?
If I cannot find a Zeiss tube, what are some other options that would work with the M44 thread?
Thanks for the advice.
Rob Williams
Does anyone know exactly how long this extension tube should be and where I might find one?
If I cannot find a Zeiss tube, what are some other options that would work with the M44 thread?
Thanks for the advice.
Rob Williams