>> The A 24-50 is a constant f/4 and has the A contact, and seems to >> be built nearly to the M 24-35 standard, _much_ better than the A >> 35-70, for instance, in terms of build quality.
> Ironically, I find the A35-70 to be a much better lens optically. The A 35-70/4 is surprisingly good optically, but I do have to admit that it's the most "plasticky" lens I own. Fred