Pesting the shadows on a BRIGHT sunlit day

There are a few drawbacks, no peripheral vision, and eye strain over extended periods, a few hours is ok, wouldn't want to wear them all day or anything. Don't see why you couldn't make your own. If it was me, I would take some cheap glasses and paint them with a template, leaving the little holes to look through.

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After thinking about it, I decided not to pursue it. Just another *thing* to deal with that will not work better than looking through the adjustable tunnel I can make with my own hand in the form of a fist.

Thanks for the replies and suggestions in any case! I learned a few things from this thread that I did not know before. (smile)