Product Description
This option allows you to select one of 4 colours - red, green, blue or white - for film or transmission measurement.
It is particularly helpful in one of the most common tasks while measuring the density of Pyro stained films (green/yellow), e.g. developed by Pyrogallol, Finol or Tanol.
By using these different colured lights you can measure the visual density by using white or green light as well as the stain density by switching to blue light.
For details, please refer to
http://unblinkingeye.com/Articles/PCat/pcat.html
http://www.moersch-photochemie.de/files/articles/TanolundCo-eng.pdf
View other products in Film Processing Equipment »