the Sony FE 16-35mm f/4 ZA OSS Vario Tessar T* lens is a wide-angle lens with FF and APS-C format and automatic focus with a non-ultrasonic AF motor, equipped with image stabilizer. 16-35 mm focal length with 7 diaphragm blades and 12 lenses divided into 10 groups with a minimum focusing distance of 0.28 metres. The quality of the optics and its construction immediately catch your attention, the lens is in all respects a marvel with the reproduction of unique colors and remarkable Zeiss quality. The sharpness is perfect, just a minimum of distortion which is however correctable. Not very light but robust, it is the perfect optic at all focal lengths, suitable for both street and landscapes. It works well even in low light conditions and gives great satisfaction without betraying expectations. One of the best lenses on the market, with a maximum aperture of f4 which highlights all the details well. The dynamic range is not excellent but still stands out, the autofocus is very fast. the Sony FE 16-35mm f/4 ZA OSS Vario Tessar T* lens From a mechanical point of view it is flawless with the ring that varies the focal lengths perfectly fluid. The performances are exemplary even at maximum aperture. Ideal for: industry professionals and amateur photographers who want to make a single large purchase, equipping themselves with a super wide angle capable of giving incredible satisfaction. A product that is worth the effort and that manages to work continuously without ever showing any flaws.