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Thank you all for the quick replay,
I want to use them for the old AO DK Cassegrain,
to replace the old Unitron focuser with the Unihex rotary
eyepiece holder.
The project is a long one. You see the original OTA was 35kg 16"diameter!!
Not managable...
My plane is to find a light weight cell for the 12.5"full Pyrex primary, and
make a flange adapter for the focuser. Of course with a limited budget...
Thanks for any assistance,
Miklos.
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