ATM What thread is it?

[Hugues.Laroche@ses-astra.com]

Hi,

Sorry it is hardly on-topic.

I have a device that has an interchangeable objective lens on front of it,
and I would like to attempt using it... using my telescope in lieu of the
objective lens.
The thread is single-threaded, about 1 mm "progression step", about 27 mm
external
diameter and was said "standard CCD" thread. I do not know more, even not
if
it is a metric or imperial size.

Questions:
1) Does anyone have an idea what it can be and more precise specs?
2) as I have no lath, where or who would agree to custom-make an
     adaptor for standard 31.75 mm focuser for me?

You might reply off-list....

TIA and clear skies,

Hugues




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