I still think it’s rather interesting as an approach. In fact with that, the potential of creating a DIY ND filter out of welding-glass [1, 2] becomes a little

I still think it’s rather interesting as an approach. In fact with that, the potential of creating a DIY ND filter out of welding-glass [1, 2] becomes a little more unnecessarily involved :D. [1] https://petapixel.com/2016/06/23/use-welders-glass-1-nd-filter-long-exposure-photos/ https://petapixel.com/2016/06/23/use-welders-glass-1-nd-filt... [2] https://www.diyphotography.net/use-welding-glass-as-10-stops-nd-filter/ https://www.diyphotography.net/use-welding-glass-as-10-stops...