This FE OSS ZA lens weighs 426 g. It has a focal length range of 24 mm to 70 mm and an f/4 aperture. Vario-Tessar T FE 24-70mm F4 ZA OSS Compatibility. The optical performance and 24mm to 70mm range of this ZEISS Vario-Tessar are a perfect match for α7 series bodies, maximizing both image quality and shooting versatility.
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