Sony 100-400mm f/4.5 GM OSS Review: Zoom Zoom
The Sony 100-400mm f/4.5 GM OSS lens is designed for photographers seeking a versatile telephoto option. It features a constant f/4.5 aperture and is relatively lightweight compared to similar lenses. While it comes with a high price tag, it offers solid performance and build quality for serious shooting situations.
- ▪The lens weighs 65 ounces and is manageable in size.
- ▪It has a constant f/4.5 aperture throughout its zoom range.
- ▪The lens includes customizable controls and is built to withstand rough weather conditions.
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| Original publisher | PetaPixel |
| Canonical URL | https://petapixel.com/2026/05/25/sony-100-400mm-f-4-5-gm-oss-review-zoom-zoom/ |
| Publication time | Mon, 25 May 2026 14:01:16 +0000 |
| Retrieval time | 2026-05-25T14:07:38.021Z |
| Last seen | 2026-05-25T14:07:38.021Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | 0SK-T77ruSgV |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Sony 100-400mm f/4.5 GM OSS Review: Zoom Zoom May 25, 2026 Chris Niccolls Sony photographers have a lot of great choices available when it comes to the serious telephoto lens. Whether you are into sports or wildlife, the Sony E-mount has you covered. However, many of these excellent lenses come with big physical dimensions and even higher prices. freestar.config.enabled_slots.push({ placementName: "PetaPixel_728x90_ATF_Desktop", slotId: "PetaPixel_728x90_ATF_Desktop" }); freestar.config.enabled_slots.push({ placementName: "PetaPixel_300x600_300x250_320x50_Mobile", slotId: "PetaPixel_300x600_300x250_320x50_Mobile" }); What about the enthusiast photographer who wants a decent range along with manageable logistics? Sony’s new 100-400mm f/4.5 GM OSS offers a new lens that might be perfect for…
Excerpt limited to ~120 words for fair-use compliance. The full article is at PetaPixel.
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