Nice project, well carried out. Dan Matyola *https://tinyurl.com/DJM-Pentax-Gallery <https://tinyurl.com/DJM-Pentax-Gallery>*
On Mon, Oct 19, 2020 at 3:12 PM 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. > -- 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.
