The Sony FE 28-70mm F3.5-5.6 OSS ($499.99 list)($398.00 at Amazon) is the first zoom lens available for Sony's full-frame mirrorless camera system. It has the same limitations as most kit lenses, including some very noticeable distortion and soft edges at wider apertures. It's a decent starter lens, but if you can forgo a zoom until its February release, the Zeiss Vario-Tessar T* FE 24-70mm F4 ZA OSS ($1,199.99) promises to live up to the image quality of which the Alpha 7 and 7R($999.99 at Amazon) are capable, but its asking price is comparatively high. The lens is on the large size compared to similar kit zoom for APS-C SLRs, but is pretty light. It measures 3.3 by 2.9 inches (HD) and weighs 10.4 ounces. Despite being a little on the large size, it balances well with the A7 and A7R, even without the addition of a vertical shooting grip. A reversible petal lens hood is included and 55mm filters are supported. It does extend a bit when zooming, but only by about a half inch at the...
The Sony FE 28-70mm F3.5-5.6 OSS is the first zoom lens available for Sony's full-frame mirrorless system, but it shows heavy distortion and isn't that sharp at the edges.
Good center sharpness; Optically stabilized design
Lots of distortion at wide and telephoto ends; Soft edges unless stopped down