Description
Sony FE 400mm f/2.8 GM OSS Overview
Fast G Master Super-Telephoto Prime
Blending advanced lens technologies with a refined and relatively lightweight design, the Sony FE 400mm f/2.8 GM OSS is a fast super-telephoto prime purpose-built for sports and wildlife shooters working in trying conditions. Offering reach and speed, this G Master lens also achieves remarkable image quality while remaining easy to use handheld, thanks to the balanced design an Optical SteadyShot image stabilization.
Innovative Optical Design
- As part of Sony’s esteemed G Master series, this lens is designed to achieve a balance of impressive resolution and sharpness along with distinctive and pleasing bokeh.
- Large f/2.8 maximum aperture enables working in difficult lighting conditions and also provides extremely shallow depth of field for isolating subjects from busy backgrounds.
- Three fluorite elements and one extra-low dispersion element minimize axial and lateral chromatic aberrations, as well as color fringing, for high clarity and color accuracy.
- Nano AR coating has been applied to interior lens surfaces to suppress reflections that cause flare and ghosting.
- G Master optical design also contributes to low spherical aberrations, for high sharpness, as well as a pleasing bokeh quality that is further benefits by a rounded 11-blade diaphragm.
Fast Focusing and Reliable OSS
- XD (Extreme Dynamic) Linear Motor System quietly and quickly focuses on fast-moving subjects while shooting at high speeds.
- High-precision XD motor system is also complemented by updated AF algorithms for improved responsiveness and quieter operation, further benefitting sports and wildlife applications.
- Power Focus functionality for smooth focus during video recording.
- Full-time DMF supports manually adjusting focus simply by turning the focusing ring, regardless of the focusing mode, and Linear Response MF provides a natural and responsive focus feeling for more precise manual control.
- Focus range limiter switch and preset focus functions increase focusing efficiency either within a certain constrained range or immediately to a specified focusing point.
- Optical SteadyShot image stabilization compensates for the effects of camera shake to better enable making sharp shots when working handheld.
- When used on a camera body featuring in-body image stabilization, 5-axis stabilization is available for more robust support.
- Three difference stabilization modes can be used depending on the shooting situation: Mode 1 for general shooting, Mode 2 for panning shooting, and Mode 3 prioritizes accurate framing when photographing and tracking fast and erratically moving subjects.
Professional Durability and Intuitive Handling
- Weather-sealed construction to protect against dust, dirt, and moisture.
- Fluorine-coated front element resists dirt and fingerprints and is also easier to clean.
- Weighing just 6.4 lb, this lens is incredibly portable for an f/2.8 super-telephoto. The weight of the lens is also distributed toward the back, where it would sit over a monopod, making tracking subjects and panning easier.
- In addition to the weight-saving use of fluorite elements in the optical design, the external barrel design makes extensive use of magnesium alloy to contribute to the lightweight-yet-durable construction.
- Increased mount strength for ensured rigidity that will withstand professional use.
- Function ring near the front of the lens can be set to control a preset focus position or can be assigned to power focus or other selectable features via an in-camera menu.
- Four separate focus hold buttons can be customized to adjust or activate a variety of settings, such as Eye AF.
- The rear of the lens features a drop-in filter slot that accepts 40.5mm round filters.
- Rotating tripod collar features ball bearings for smooth movements along with detents at each 90° position for intuitive handling. These clicks can also be deactivated.
- As an additional weight-saving element, the included lens hood is made from carbon fiber.
- Compatible with optional FE 1.4x and 2.0x teleconverters.
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