The Sony 24-70mm F4 Vario-Tessar T * FE ZA OSS is a photographic lens that achieves the full potential of full-frame E-mount cameras in numerous everyday shooting conditions. A constant maximum aperture of F4 ensures uniform exposure across the entire zoom range from 24 to 70mm, while ZEISS® optics with the renowned T * coating ensure exceptional clarity and yield, as well as resistance to dust and moisture.The optical performance and zoom range of the Sony 24-70mm F4 Vario-Tessar T * FE ZA OSS make it the perfect companion to the α7 series models, for optimum image quality and versatility, so the legendary quality of the ZEISS® brand is manufactured and calibrated specifically for Sony imaging products. The T * coating offers impeccable rendering and contrast.
MTF (Modulation Transfer Function) allows you to measure the performance of the lens in reproducing very rich details, accurately measuring the degree of contrast achieved between lines separated by spaces.