On Mon, 14 Feb 2005, John Forbes wrote: > If cost is a consideration, go for the M 100mm f4. If not, the F/FA 100mm > f2.8 is faster, possibly a fraction sharper, and the AF, whilst pointless > for macro, is useful if using the lens for non-macro purposes on an AF > camera.
I believe I have read here that the FA100/2.8 suffers from CA on the digitals. Someone will surely correct me with vigour if denigrating a fine (and expensive) lens. If you are to buy new, the DA100/2.8 will likely not suffer from CA on the digitals. Kostas
