----- Original Message ----- From: "Nick Clark" Subject: 645 and AF140C Ringflash
> > So the question: will it be OK with the 120mm macro, which seems the obvious lens to use? I know a 67-58mm step-down adaptor will be required, but this is no greater than that for the AF80C and the 75mm. Will it introduce too much vignetting? If you mount the flash and can see the corners getting dark in the viewfinder, you have your answer. William Robb

