---

title: Sigma 100-400mm f/5-6.3 DG DN OS Contemporary
description: "Sigma's first ultra-telephoto zoom for mirrorless with remarkable performance in compact 1135g body. Edge-to-edge sharpness rivals standard zooms while delivering telephoto compression for everyday to field photography."
brand: Sigma
mount: L-Mount
focal_length: 100-400
aperture: 5-6.3
angle_of_view: 24-6
lens_type: Zoom
weight: 1135
year: 2020
weather_sealed: true
image_stabilization: true
price: 949
focus: Auto
lens_category: ["Super Telephoto", "Telephoto"]
filter_size: 67
max_magn: 0.24
close_focus: 1.12
sku: N/A
diameter: 86
length: 199

date: 2025-07-20
draft: false
author: Jan Wedekind

featured_image: /lenses/sigma/sigma-100-400-f5.png

last_updates:
    - date: 2025-09-13
      note: added reviews and key take-aways

---

Key Take-Aways:

The Sigma 100-400mm f/5-6.3 DG DN OS Contemporary is a compact 1135g ultra-telephoto zoom with optical stabilization, designed as Sigma’s first long zoom for full-frame mirrorless. Professional reviews praise its sharpness, effective stabilization, portability, and value, while noting trade-offs such as the relatively slow maximum aperture, some vignetting and chromatic aberration, and slower autofocus tracking compared to higher-end telephoto zooms. As of Sep 14 2025, user sentiment is positive, with many considering it a practical and affordable way to reach 400mm, though some wildlife and sports photographers find its autofocus and aperture limiting for fast action or low light.


From Sigma: 

> Sigma’S FIRST ULTRA-TELEPHOTO ZOOM LENS FOR FULL-FRAME MIRRORLESS CAMERAS. A “HANDY TELE MASTER” THAT EMPOWERS YOUR PHOTOGRAPHY VISION, ANYTIME, ANYWHERE.
> 
> A remarkable optical performance and a full range of functionalities in a compact body for exceptional lightweight shooting. With the levels of optical performance and functionalities essential for full-fledged shooting packed into a lightweight and compact body, which is a key in field photography, the Sigma 100-400mm F5-6.3 DG DN OS | Contemporary is an ultra-telephoto zoom lens that invites you to take it with you on casual outings.
> 
> The state-of-art optical design technology ensures edge-to-edge high-resolution and high-contrast image quality throughout its entire focal range. This new lens achieves high image quality which rivals that of standard zoom lenses such as the Sigma 24-70mm F2.8 DG DN | Art, ensuring a perfect match with these lenses while shooting.
> 
> The level of bokeh and compression effect only achieved by an ultra-telephoto lens provides a fresh perspective to ordinary everyday scenes. This combination of ultra-telephoto images with the excellent mobility of the Sigma 100-400mm F5-6.3 DG DN OS | Contemporary will open up new ways for you to enjoy ultra-telephoto photography, as well as its possibilities, from everyday snapshots to field photography and everything in between.
> 
> Whether you are currently considering trying a telephoto lens or already are a telephoto lens connoisseur, the Sigma 100-400mm F5-6.3 DG DN OS | Contemporary is a “light and enjoyable ultra-telephoto zoom lens” that will provide a great value and a variety of styles to your shooting experience.


[Official Website](https://www.sigma-global.com/en/lenses/c020_100_400_5_63/)

Reviews:

* Photography Blog: [Sigma 100-400mm F5-6.3 DG DN OS Review](https://www.photographyblog.com/reviews/sigma_100_400mm_f5_6_3_dg_dn_os_review), Mark Goldstein, Jul 2020
* Cameralabs: [Sigma 100-400mm f5-6.3 DG DN review](https://www.cameralabs.com/sigma-100-400mm-f5-6-3-dg-dn-os-review/), Gordon Laing, Jun 2020
* Dustin Abbot: [Sigma 100-400mm F5-6.3 DN OS Review](https://dustinabbott.net/2020/06/sigma-100-400mm-f5-6-3-dn-os-review/), Jun 2020
  
YouTube:

* Christopher Frost: [Sigma 100-400mm DG DN OS 'C' (new version for mirrorless cameras) lens review (Full-frame & APS-C)](https://www.youtube.com/watch?v=2MIyCMAfWwI), Jun 2020
* Jared Polin: [SIGMA 100-400 E-Mount REVIEW: The BEST SUPER ZOOM Lens for SONY](https://www.youtube.com/watch?v=ftHqDKZAEss), Jun 2020
* Gordon Laing: [Sigma 100-400mm DG DN review VS Sony FE 100-400mm G Master](https://www.youtube.com/watch?v=FMjAs-KxM1o), Jun 2020