The Sony 70-200mm f2.8 GM OSS II incorporates a better autofocus system, a lighter design, and an aperture ring.
Sony FE 70-200mm f/2.8 GM OSS II SEL70200GMII Review
Sony 70-200 F/2.8 GM OSS II Review Better than the Original?
Sony 70-200mm f/2.8 G Master OSS II Review: Lighter, Faster, Better
Sony’s advanced lens technology comes together in a compact, lightweight 70-200 mm F4 telephoto zoom G Lens that delivers exceptional optical and AF performance as well as unique half-macro (0.5x magnification) versatility throughout the zoom range. Impressive handling and mobility make it an excellent choice for a wide range of photo and movie applications.
Sony Fe 70-200mm F4 Macro G OSS II SEL70200G2
A Traveler's Review: Sony 70-200mm F2.8 GM II OSS Lens
Improved And Really Fantastic: Sony 70-200mm F2.8 GM OSS II Review
Is It Worth The Money? The NEW Sony 70-200 f/2.8 GM ii Tries To Blow Our Minds!
Sony FE 70-200mm F2.8 GM OSS II Full Frame G Master Lens for E-Mount Mirrorless Cameras SEL70200GM2 Telephoto Zoom Bundle with Deco Gear Photography Backpack + Filter Kit + Monopod and Accessories
A closer look at Sony's FE 70-200mm F2.8 GM OSS II, the first 'Mark II' G Master lens: Digital Photography Review
Sony 70-200mm F2.8 GM II review at SonyAlphaBlog: “establishing new standards for Sony zoom” – sonyalpharumors
Improved And Really Fantastic: Sony 70-200mm F2.8 GM OSS II Review