The Sony SEL2070G Full-Frame Lens is a new G ultra wide standard zoom lens with a constant F4 aperture. It offers outstanding resolution, beautiful background defocus (bokeh), and more accurate focusing capabilities for Sony E-mount cameras. This lens is ideal for video, providing smooth, fast, continuous autofocus performance with minimized focus breathing and focus shift when zooming. Three ED, two AD, and one aspherical element ensure incredibly sharp images, making it great for content creation, stills photography, and videography. The circular 9-blade aperture creates beautiful background bokeh effects. Two XD Linear Motors deliver fast and precise autofocus, while the constant F4 aperture and fluorine coating make it bright and resistant to water and oil. The dust- and moisture-resistant design and versatile controls make it easy to use in various scenarios, both indoors and outdoors. This Sony G lens is compatible with focus breathing feature, making it a professional choice for all-round shooting.