Just found out today that Ilex made 2 versions of this lens, a F4.5 and a F6.3. Mine is the F6.3.
Performance wise, is there much of a difference between the 2 versions? Not a big deal to me, but just interested to know.
I use mine on an 8x10. I guess the 4.5 version would be easier to focus.
Thanks
John
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