Sony FE 70-200mm f/2.8 GM OSS Lens (First Edition) Technical Specifications: Lens Mount: E-mount (Full Frame) khẩu độ: f/2.8 to f/22 One Extreme Aspherical (XA) element and two Aspherical elements Four Extra-low Dispersion (ED) elements and two Super ED elements to reduce chromatic aberration Nano AR Coating to reduce flare and ghosting Dual Linear and Super Sonic Wave Motor (SSM) autofocus system Optical SteadyShot image stabilization Focus Hold buttons and Focus Range limiter Dust and moisture resistant design 11-blade circular aperture for smooth bokeh - Included in the box: Sony FE 70-200mm f/2.8 GM OSS Lens Sony ALC-F77S Front Lens Cap (77mm) Sony ALC-R1EM Rear Lens Cap Sony ALC-SH145 Lens Hood Removable tripod collar Lens case for protection and storage