In a message dated 1/6/2005 1:03:11 PM Eastern Standard Time, dickburk@xxxxxxxxxxxxx writes: I originally calibrated the dial to allow using other times and stops and then realized I could use it as a densitometer over its range of sensitivity How do you calibrate the dial? Isn't the calibration fixed around the number posted on the bottom? In my case the number is 22 which I thought meant 'proper' exposure of the highlight area would be indicated by the green light when the 'proper' f-Stop was used/found Bruce, Brooklyn, NY. ============================================================================================================= To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.