> Hi,
> I'd like to do some wide angle landscape work in medium format (6x6).
[quoted text clipped - 3 lines]
>
> Thanks
Go with the 100mm the outer diameter of your 40 is probably like 95 or
97mm if its like my Bronica, FWIW I temporarily tape my 100mm filters to
the lens instead,...its less problematic than getting a blasted holter
that does not vignette a lens that wide.

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