Very cool. I suspect that you might have some success with polarizing both the source light and the camera. You also might want to arrange it so that the crystal face "reflects" a black background rather than the source light.
On October 19, 2020 12:11:27 PM PDT, Igor PDML-StR <[email protected]> wrote: > > >Back in May, sitting at home, we did some scientific experiments: >we grew salt crystals, and then I quickly took a few photos that the >kiddo >could show to her virtual class. > >This is the most "photogenic" crystal >http://42graphy.org/misc/2020-05-18-crystals/_IR04043.html > >However, it is actually polycrystalline (you can see crystallites of a >different crystalline orientation), and it was a "byproduct". >The main crystal is monocrystalline (except maybe some junk at the >edge): >http://42graphy.org/misc/2020-05-18-crystals/_IR04034.html > >This was not a big photography project, the photographs were taken >quickly on the kitchen table (a last-minute thought). > >The biggest challenge with photographing crystals was choosing the >light >and its direction to highlight the crystal planes. >I would expect that lighting techniques used by Mark C. while >photographing his snowflakes would be useful for this type of subject, >even though these crystals are macroscopic, unlike the snowflakes. > >All comments are welcome! > > >Igor > >-- >PDML Pentax-Discuss Mail List >[email protected] >http://pdml.net/mailman/listinfo/pdml_pdml.net >to UNSUBSCRIBE from the PDML, please visit the link directly above and >follow the directions. -- Sent from my Android device with K-9 Mail. Please excuse my brevity. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
