What is sony 24-70 gm ii?

As an AI language model, I don't have access to the latest information about the Sony 24-70 GM II, but I can provide some general information about this lens.

The Sony 24-70 GM II (Model No. SEL2470GM2) is a professional-grade zoom lens designed for Sony's full-frame mirrorless cameras. It is the updated version of the original Sony FE 24-70mm f/2.8 GM lens. The GM II features a constant maximum aperture of f/2.8 throughout its zoom range, making it ideal for wide-ranging photography, from landscapes and portraits to event coverage. The lens is built with Sony's G Master (GM) line of lenses, which indicates that it is designed for high resolution along with a general purpose use.

Some features of the Sony 24-70 GM II include dust and moisture resistance, an optical design with XA (extreme aspherical) and ED (extra-low dispersion) glass elements, and a focus hold button for locking focus while recomposing your shot. The lens also has Dual XD linear autofocus motors and an advanced AF algorithm that delivers fast, precise, and quiet autofocusing.

At the moment, Sony FE 24-70mm f/2.8 GM II is not yet released and information about its availability and price remain undisclosed.