# Sigma 300-600mm F4 DG OS | Sports F/22 - F/4

**Brand:** SIGMA
**Category:** Photo
**Code (GTIN/SKU):** 0085126598655
**Canonical URL:** https://openreviews.io/en/reviews/sigma/sigma-300-600mm-f4-dg-os-sports-f-22-f-4-0085126598655

## Rating: 4.5/5 ★★★★★ — 2 reviews analyzed
_Confidence: high_

## At a glance

Sigma 300-600mm F4 DG OS | Sports F/22 - F/4 reviews: 4.5/5 based on 2 analyzed reviews, updated September 8, 2026.

Praised: constant aperture and optical performance.

2 reviews analyzed, all published on other sites.
Other sites: 1 source, 2 reviews, average rating 4.5/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

This premium telephoto lens is aimed at demanding sports and wildlife photographers looking for a high-quality long focal length. It stands out for its bright, constant f/4 aperture and its particularly robust build quality. Overall optical performance is described as spectacular by users.

## Strengths

- **Constant aperture** — The maximum f/4 aperture remains constant throughout the zoom range, which makes shooting in low light easier.
- **Optical performance** — Users highlight spectacular image performance for capturing distant subjects.
- **Build quality** — The construction of the Sports line is solid and robust, ideal for intensive outdoor use.

## Frequently asked questions

- What is the image quality at wide open aperture?
- Does the weight of the lens allow for handheld use?
- Is the optical stabilization effective?
- Is the autofocus fast enough for sports photography?

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_Source: OpenReviews — https://openreviews.io/en/reviews/sigma/sigma-300-600mm-f4-dg-os-sports-f-22-f-4-0085126598655_