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These pics were taken back in December, and are a continuation of the shots I tried to get last time I posted with the large glass sphere, slinky, mirrors, and diffraction gratings. I was trying to tweak a few things I thought of after the last time I photographed that set up, mainly different placement of some mirrors, gratings, and adding in a reflective fan diffraction grating too. I still have one more set to post of the glass sphere, and gratings, but without the slinky. There are some real nice pics from that session as well, and they will get posted eventually.

The last few pics here are of a beam splitter I got from Surplus Shed (actually bought two of them for 10 dollars a piece). A few of those pics were posted in somebodies thread a while ago.(I forgot which one).
Enjoy.