Selenium Bee

13/365 Selenium Bee, originally uploaded by Kirk Howard.

Image 13/365

Sometimes photographers would use Selenium (Se) while developing.

Selenium is used in the toning of photographic prints, and it is sold as a toner by numerous photographic manufacturers including Kodak and Fotospeed. Its use intensifies and extends the tonal range of black and white photographic images as well as improving the permanence of prints.
Early photographic light meters used selenium but this application is now obsolete.

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