Unfortunately that neutrino coating doesn't react with light or much anything 
else. I wonder how they get it to stick.

On March 15, 2017 1:50:03 PM PDT, Paul Stenquist <[email protected]> wrote:
>https://www.bhphotovideo.com/c/product/1325637-REG/irix_il_15bs_pk_15mm_blackstone_lens_for.html

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