The sony FE 70-200 f/4 g oss is a series G series for full frame and asp-c format equipped with an image stabilizer with integrated optical steady shot function that allows you to limit the vibrations of the camera when using the zoom allowing you to shoot even without a stand The f/4 opening allows you to take photos in unlit environments at any distance, as well as improving the quality of elements out of focus. As for the optical system, Sony Fe 70-200 f/4 g OSS includes twenty-one elements in fifteen groups, with the presence of some aspherical lenses, which allow to limit the effect of distracts and chromatic aberrations. This perspective is provided with a nanocrystal coating whose purpose is to limit the flare and ghost images, giving the opportunity to obtain clear photographs, of considerable quality and rich in contrasts; In addition, it is resistant to dust and humidity. This perspective has a nine -tame diaphragm that allows you to get a satisfactory bokeh. As for the images, thanks to this lens they are always clear not only in the center, but also to the corners of different focal cars and to different diaphragm values. Ideal for: sony FE 70-200 f/4 Oss G is the ideal lens for those who want to approach the world of telephoto lens. It can be exploited for both sports and naturalistic photography.