Originally Posted by
Dan Fromm
How much will you me to do the work?
You'll have to buy the full range of lenses that cover at least 4x5 from each maker, color film of your choice, standard color target and strobes to ensure consistent lighting. If you want comparisons to Canon, you'll have to buy one each of every lens Canon ever made for 35 mm cameras as well as one each LTM, FD and EF mount body. The color film of your choice will have to be available in 4x5 sheets and in 135. Don't forget to budget for processing. I'll charge you a reasonable hourly rate.
You could economize a bit by doing without film and buying a spectrophotometer and standard light source so that each lens' transmission by wavelength can be measured. I'll leave the task of making sense of the transmission curves to you.
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