Dataset error again. Sorry. The numbers are scrawled on unlined paper and I averaged them in my head when I graphed the first time. I did it right the first time, the graphs are good, but yesterday and today it wasn't easy lining up the columns...
Originally Posted by ic-racer
The test wedge is just "taped" to top of glass, but I just am leery of tampering with it. The higher densities are "calibrated by me". I read the 2 stop ND filter on the densitometer, and added the result to the calibrated step it overlaid to get the simulated steps above 21. Next time I am getting a 31 step wedge.
The 13 minute fits the ASA triangle.