Suppose so, the ff size zoom would be massive I would think? Montie >>I would think it easier to make an APS-C 50-140/2.8 than a FF 70-200/2.8... john -----Original Message----- Constant 2.8 for a zoom in that range? I'd call that fast, maybe even groundbreaking. :-/ Montie >>i believe in fuji and sharp, but has 2.8 been "damn fast" since 1935? ric