Sony FE 400mm F4.5 GM OSS – A Lightweight Super-Telephoto Prime for Handheld Work
The Sony FE 400mm F4.5 GM OSS pairs G Master image quality with an exceptionally compact, lightweight design, making serious super-telephoto reach practical for wildlife, sports, and everyday handheld shooting.
Key Features
- World-class portability: Weighs only 994g (minus tripod foot) and measures 242mm long, for all-day handheld comfort at 400mm.
- G Master optical quality: Super ED and ED glass elements minimise aberration, while Nano AR Coating II suppresses flare and ghosting in backlit conditions.
- Refined bokeh: An 11-blade circular aperture and individually calibrated spherical aberration produce smooth, creamy background blur.
- Fast, reliable autofocus: Dual XD Linear Motors reliably track erratic wildlife and sports action, supporting up to 120fps continuous shooting on compatible bodies.
- Reach on demand: Compatible with the SEL14TC and SEL20TC teleconverters, extending focal length up to 800mm.
- Built for the outdoors: Dust and moisture resistant construction with a fluorine-coated front element for easier cleaning in the field.
- Full manual control: Four focus hold buttons, a customisable function ring, Full-time DMF, and a Focus Range Limiter switch.
Technical Specifications
| Mount | Sony E-mount |
|---|---|
| Format | 35mm full frame |
| Focal Length | 400mm |
| 35mm Equivalent (APS-C) | 600mm |
| Lens Groups / Elements | 16 groups / 22 elements |
| Angle of View (35mm) | 6° 10′ |
| Angle of View (APS-C) | 4° 10′ |
| Maximum Aperture | F4.5 |
| Minimum Aperture | F32 |
| Aperture Blades | 11 (circular) |
| Minimum Focus Distance | 2.5 m (8.21 ft) |
| Maximum Magnification | 0.18x |
| Filter Diameter | 95 mm |
| Image Stabilisation | Optical SteadyShot |
| Teleconverter Compatibility | SEL14TC (560mm) / SEL20TC (800mm) |
| Hood Type | Round, bayonet (ALC-SH189) |
| Dimensions (Diameter × Length) | 108 × 242 mm (4-1/4 × 9-1/2 in.) |
| Weight | 994 g (35.1 oz.) — excluding tripod foot |
| In the Box | Lens, front cap (ALC-F95S), rear cap (ALC-R1EM), hood (ALC-SH189), soft case, lens strap, case strap |
| GTIN / UPC / EAN | Pending — not yet published for this newly announced lens (September 2026 launch) |
| Brand | Sony |
Specifications sourced from Sony’s official published data. Features and specifications are subject to change without prior notice.
