exposure time

New cyanotype exposure app now availabe for Android phones.

Use this tool for estimated times for exposing cyanotypes in the sun

Tutorial on how to achieve a darker blue in your cyanotypes

How to expose an A3 size print with two of our UV Lamps

Tutorial about how to do a step test to establish the right exposure time for you cyanotypes

Tutorial on how to achieve more detail in your final print

How long will it take to expose my cyanotypes in the winter sun