# Sigma 17mm F4 DG DN | Contemporary f/22 - f/4

**Brand:** SIGMA
**Category:** Photo
**Code (GTIN/SKU):** 0085126415655
**Canonical URL:** https://openreviews.io/en/reviews/sigma/sigma-17mm-f4-dg-dn-contemporary-f-22-f-4-0085126415655

## Rating: 4.6/5 ★★★★★ — 5 reviews analyzed
_Confidence: high_

## At a glance

Sigma 17mm F4 DG DN | Contemporary f/22 - f/4 reviews: 4.6/5 based on 5 analyzed reviews from 2 sites, updated November 2, 2026.

Praised: optical quality and light transmission. Criticized: f/4 aperture.

5 reviews analyzed, all published on other sites.
Other sites: 2 sources, 5 reviews, average rating 4.6/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

This ultra-wide-angle lens is designed for mirrorless bodies and stands out for its remarkable optical quality, which appeals to photographers. Its construction makes it possible to obtain sharp images with excellent light transmission to the sensor. Its maximum aperture of f/4, although standard, is the necessary compromise to guarantee maximum compactness and a very portable format for daily use.

## Strengths

- **Optical quality** — The image rendering and optical formula offer remarkable performance on mirrorless sensors.
- **Light transmission** — The optical cell ensures excellent light transmission to the sensor.
- **Compactness** — Its very small size makes it an ideal tool for traveling light.

## Weaknesses

- **f/4 aperture** — The maximum brightness of f/4 remains standard and can prove limited in very dark environments.

## Frequently asked questions

- What is the image quality of this lens?
- Is this lens easy to carry around?
- Is the brightness at f/4 sufficient?
- Is it well-suited for mirrorless cameras?

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_Source: OpenReviews — https://openreviews.io/en/reviews/sigma/sigma-17mm-f4-dg-dn-contemporary-f-22-f-4-0085126415655_