bigger:
For the context see trying to consolidate all ZeusRay posts
I may be able to get a better focus on this —- camera struggles with it — but most of the blur is how it looks zoomed to focus the image of the emitter.
onto a flat white sheet of paper.
Focus changes a bit over time as I let the light warm up, but the pattern seems to be consistent.
I have two of these, both in seemingly identical lights that came yesterday.