#Steve-Mould #video on Lippmann-plate spectrographically correct color #photography using #iridescence or #structural-color, like the guaninne in the iridophores of a chameleon. #color
on 02026-05-15a #jugaad macro photography lens made by #3D-printing an adaptor for a (US?)$20 4× microscope objective lens to take pictures of aphids and other tiny insects on leaves using focus stacking. #photography
on 02026-04-14#Posy #video about Cokin’s red polarizing filters for #photography, which only polarize red light, so that once you set the white balance you get rainbows from #polarization gradients. Except the rainbows he got were mostly from a regular polarizing filter and strained plastic (polycarbonate? acrylic? from a CD case) with wavelength-dependent birefringence.
on 02025-10-15computational #photography #DSP on new iPhone #cameras screwing up photo quality badly in some cases; explanation of things like dynamic range, diffraction, etc., with lots of comparison photos
on 02023-02-01