As in the GSTAR-EX, Chris?
My colour version came with a 1.25" nose that screws directly into the brass screw thread on the front of the camera and fits into the 2"-->1.25" adapter. The screw thread is a standard CCTV thread, so if you buy a standard CCTV lens (Ebay for about $5, Jaycar for about $25), that will fit as well - that is the thread size. I believe the brass ring will come off to reveal a larger thread?.
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