I've been asking myself this question for a while, and thought I'd ask the forum now: You that have used different Petzvals, have you noticed significant differences in the different makers?
A wise wetplater recently said, "a Petzval is a formula - they are all similar." I wonder, if that's true. I've noted small differences myself. Evidence suggests there is variation, some are better color corrected for example. I believe I had a few magic lantern lenses that had this problem, they just didn't focus sharply.
I have heard that some makers were "inconsistent" and "you have to try the lens". Well, it may be obvious to film shooters, but I shoot wetplate, and they all seem pretty close. There is one I have that always seems to take an obviously sharp, popping shot, and it's a no-name.
What other variables have you noticed?
I know in the 1850s, just like today, there are certain makes that were preferred. And several respected shooters today have mentioned "I have found xxx are better than most yyy..." What are they seeing?
Polite discussion welcomed....
Garrett
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