The Sony Carl Zeiss Vario-Tessar T* FE 24-70mm F4 ZA OSS ($1,199.99) is a step up from the standard FE 28-70mm F3.5-5.6 OSS ($398.00 at Amazon) for Sony full-frame mirrorless cameras in terms of zoom range and sharpness, and it maintains an f/4 aperture throughout that range. But its price tag is more than twice that of the standard zoom, and the law of diminishing returns applies to the performance gains you'll get for that price. It's definitely a better lens, but whether or not it's worth the cost is dependent on how important a standard zoom lens is to your style of photography. If you're primarily a prime lens shooter and just want a zoom to supplement for the occasional shot, the 28-70mm can save you some money. But if you opt for this lens you can capture more detailed shots with a slightly wider field of view, as well as images with a shallower depth of field when zoomed in. The 24-70mm ($698.00 at Amazon) is fairly compact when you consider its zoom range, measuring in a...
The Sony Carl Zeiss Vario-Tessar T* FE 24-70mm F4 ZA OSS is an upgrade from a standard zoom, but you'll pay dearly for the performance boost you get with this lens.
Compact; Very sharp through zoom range; Constant aperture design; Optical stabilization
Pricey; Noticeable distortion when shooting Raw; Soft edges at 24mm and 70mm