mike wilson wrote: > Mark Roberts wrote: > > >>BTW: http://www.robertstech.com/filters.htm >> >> > > There seems to be a hiccup threequarters of the way down the A lenses > (35-80) and, following that, some of the numbers seem wrong. Assuming > the numbers should move up one, does the 50/2.8 macro really have a > 145mm thread? I'm sure the 70-210/4 doesn't have a 112mm. > Sorted.
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