regards, Alan Chan
> I saw no problem with SG60 and 200/4, with or without a 2x TC. If there > was some vignetting, it was to such a limited extent that it didn't > attract my attention.
Likewise, the 20mm f2.8, 17mm f/4 fisheyTak, 300mm, 400mm f/5.6 all work just swimmingly for me. Thanks again to Peter in sunny Brighton for supplying my fleet with the new screens.
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