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Most scope securing tube rings have a threaded hole on the top, into
which you can screw a rotating ball joint which enables you to point the camera wherever you want. You can get a ball joint on ebay for a couple of dollars if you are prepared to wait for it to come from China.
I suggest 150-200mm for that target.
raymo
Last edited by raymo; 25-05-2018 at 05:28 PM.
Reason: more text
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