Hmmm? Looks a bit overkill, not to mention uncomfortable to me, didn't I used to see snappers tape tissue paper over their flash guns to achieve the same effect?
Posted by Michael Gilligan on 25/04/2019 06:44:46:
It reminded me of those weird and wonderful old patents that people enjoy discovering
It reminded me of dear old Victor Blackman writing in Amateur Photographer magazine who used his 'Blackman grubby handkerchief' as a two stop reducer in flash intensity.