IP57-rated

Noise-suppressing filter functions A noise-cut filter using digital signal processing to effectively remove noise

You can also stop down for extended depth-of-field

Lightweight Rigid Cellular Aramid Fiber Matrix Diaphragm: The diaphragms for the woofer and mid-range driver are crafted from Sony's unique Lightweight Rigid Cellular material

Sony SEL-70200GM2 Lens FE 70–200 mm F2.8 GM OSS II Switch-to-sony-mdr IP57-ratedProduct Highlights Unprecedented image quality. Image quality is superb throughout the zoom range at all focusing distances. Two aspherical elements, one an XA (extreme aspherical) type, ensure high resolution throughout the image area. Two ED (extra low dispersion) glass elements, two Super ED glass elements, and one ED aspherical element minimise chromatic aberration, while Sony's Nano AR Coating II subdues flare and ghosting. High performance 1. 4x