Product guide · Sony
Sony FE 400mm F4.5 GM OSS
A 400mm f/4.5 full-frame E-mount prime for photographers prioritizing handheld mobility. Sony specifies 994 g without the tripod mount and October 2026 availability.
Search on AmazonAI-generated editorial illustration with approximate appearance, not a product photograph or evidence of compatibility. This product guide is based on documentary research, not hands-on testing.
Our assessment
The tradeoff to consider
Fixed 400mm framing cannot widen for approaching subjects. The f/4.5 aperture gathers less light than an f/2.8 professional prime. Performance has not been independently tested by Senkōra.
Exact variant reviewed
SEL400F45GM, lens only. Stated weight excludes the tripod mount.
Key specifications
- Compatibility
- Sony full-frame E mount
- Weight
- 35.1 oz · 994 g
- Dimensions
- 4.25 × 9.53 in · 108 × 242 mm
- US variant
- Availability requires confirmation
What to verify before ordering
- Confirm SEL400F45GM and the exact FE 400mm F4.5 GM OSS name, US warranty, included accessories, seller and shipping estimate. Search results may show different lenses.
- Current availability, included accessories, warranty, and return conditions.
Official source
Information last checked on .
View the manufacturer’s official product information