After having some trouble with my polarizers everything seems to work OK now
This is acetaminophen (Paracetamol, came with the filters) with Nikon CFN 40/0.70 direct projection on a BHT, stack of 5 images or so
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One more same lens
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And another one, I think also the CFN 40 but not 100% sure
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One more with CFN 40/0.70 this time using a plastic petri dish as a retarder
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Acetaminophen
Moderators: rjlittlefield, ChrisR, Chris S., Pau
Re: Acetaminophen
Nice work!