Well I am interested in doing a bit more experimentation, and reality its probably a step I should have taken years ago. I have always been an it looks right kind of guy instead of a numbers kind of guy and just really felt a need to put numbers to my black an white work. Yes its slowed the learning curve down at times. Yet after a while a look at a negative seemed to be just fine. I am now curious about how my calibrated eyeball compares with the numbers. I wonder what a lower cost, decent denisometer would run and what brands, makes, models ect I should look for an which ones I should avoid. As always help is greatly appreciated. Mark