Sony 70-200mm f/2.8 GM OSS II Overview
- Fast f/2.8 constant aperture allows users to capture images in dim lighting conditions and with a shallow depth of field.
- Two ED (extra-low dispersion) and two Super ED elements, including one aspherical ED element, effectively suppress chromatic and spherical aberrations.
![SEL70200GM2 | Optical Design](https://static.bhphoto.com/images/rich_content/desktop/IMG_1633647.jpg)
- Two aspherical lenses, including one extreme aspherical lens (XA), minimize distance-related aberrations and also reduce ‘onion ring’ bokeh.
- Nano AR Coating II controls flare and ghosting with support from a new optical design that reduces internal reflections.
- An 11-blade aperture diaphragm helps create smooth, circular bokeh at all aperture settings.
The exterior design of the lens also sees some big changes. One clear example is the addition of a physical aperture ring that was not present on its predecessor. Users will be able to de-click this ring at the flip of a switch for smooth iris control during shooting. This provides shooters with independent controls for focus, zoom, and iris.
![SEL70200GM2 | Panning OSS](https://static.bhphoto.com/images/rich_content/desktop/IMG_1635697.jpg)
An advanced Optical SteadyShot image stabilization system will ensure sharp images while shooting handheld at even the longest focal lengths. Multiple modes are available, including standard, panning, and a new Mode 3 for moving subjects.
![SEL70200GM2 | a7S III on Gimbal](https://static.bhphoto.com/images/rich_content/desktop/IMG_1635698.jpg)
Other features of the physical design include three programmable focus hold buttons, all located in 90-degree increments, for more tactile control over select settings in both landscape and portrait orientation. Users also have a removable tripod foot for added stability on support systems.
![SEL70200GM2 | Lens Switches](https://static.bhphoto.com/images/rich_content/desktop/IMG_1635672.jpg)
- Focus range limiter switch will optimize performance and improve AF speed and responsiveness in certain shooting scenarios.
- Zoom ring torque has been optimized.
- Iris lock switch prevents users from accidentally moving the aperture ring to or from the auto aperture position.
- Front lens element has a fluorine coating that repels water, oil, and other contaminants and makes the lens easier to clean.
- Included lens hood features a locking button and a filter window for easier adjustment of variable filters (e.g. polarizers, ND).
![Sony FE Teleconverters](https://static.bhphoto.com/images/rich_content/desktop/IMG_1636812.jpg)
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