Sony has announced three new E-mount lenses today for NEX system cameras: the Carl Zeiss Vario Tessar T* 16-70mm ZA F4, 18-105mm F4 G OSS power zoom, and a black version of its 50mm F1.8 OSS. All three feature Sony’s Optical SteadyShot image stabilization. According to Sony, the 50mm F1.8 and 16-70mm F4 zoom will be ready to ship to consumers in September, with the 18-105mm F4 power zoom following in December. Click through for more details.