On a different thread Mr. Sandy King suggessted to another person (Kirk Keyes) that a thread on flare as it pertains to exposure and development. Mr. Keyes passed. I find this to be a topic of much interest. I believe that exclusive of the use of filters, it is the hardest variable to predict and to control. I already am aware of the BTZS technique of making a general allowance for flare. How do you allow for and control the flare variable in your personal system of exposure and development?