Web-Scope mounting tube

a mounting tube for getting a web cam to work on an AOE 6-24 x 50 rifle-scope.

Webcam particulars:
8-Megapixel-IMX179-Mjpeg-Hd-USB
http://www.ebay.com/itm/8-Megapixel-IMX179-Mjpeg-Hd-USB-Industrial-Camera-6mm-Manual-Focus-Lens-Webcams-/322220348292?hash=item4b05d45384

The scope:
AOE Rifle Scope 6-24 x 50
https://www.google.co.za/search?q=Rifle+Scope+6-24+x+50+AOE&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjG_93TtbXRAhViKcAKHa6gBCMQ_AUICCgB&biw=1920&bih=990#tbm=isch&q=AOE+Rifle+Scope+6-24+x