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Sigma 100-400mm f/5-6.3 DG DN OS C : Specifications and Opinions

The Sigma 100-400mm f/5-6.3 DG DN OS C is a tele lens for FF and APS-C, manufactured from 2020. The focus is done by Stepper Motor, it has image stabilization. The average price, when it has been added to the JuzaPhoto database, is 953 €;

31 users have given it an average vote of 9.3 out of 10.

MOUNT

This lens is available with the following mounts:

Sony E: this lens is compatible with mirrorless fullframe and APS-C Sony.

L-Mount: this lens is compatible with mirrorless fullframe and APS-C L-Mount.

Fujifilm X-mount: this lens is compatible with mirrorless APS-C Fuji.

Specifications
Focal lenght	100-400 mm
Angle of view	24.4 - 6.2°
Format	FF, APS-C
Max. aperture	f/5-6.3
Aperture blades	9
Lenses/Groups	22 elements in 16 groups
Min. focus distance	1.12 meters
Reproduction ratio	0.25x
Features
Zoom type	Ring, external
Stabilization	Yes (built in lens)
Focus	Stepper Motor
Internal Focus	Yes
Built and notes
Tripod ring	Yes
Extenders	Partially compatible (teleconveters can be used in the L-Mount version, while the Sony version is not compatible with TCs)
Filters	67 mm
Lens hood	Yes, supplied
Weather sealing	No
Weight	1135 g
Dimensions	86 x 197 mm
Buy
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Reviews

What do you think about this lens?

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The following opinions have been automatically translated with Google Translate.

Paolofarese

sent on June 16, 2025

Pros: Affordable price compared to many competitors. Not overly heavy and good material.

Cons: The sharpness is good, but it performs well up to 300, on the 400 it loses a bit. Not tropicalized and the tripod ring is missing which you have to buy separately and also at a not exactly affordable price.

Opinion: Bought used for 700 euros as a telephoto lens, a bit of an all-rounder and I must say that it behaves very well in my daytime activities for camera hunting. In sharpness it is very good even if at 400 it loses a lot. It doesn't seem particularly noisy to me, on the contrary... And for a cannon it's not even very heavy! The lack of the tripod ring is however a bit limiting, as well as that of multipliers on the market. for the rest, excellent lens

Lorenzo B. Photography

sent on May 07, 2023

Pros: Sharpness, size and weight quite contained despite the focal range, really good materials

Cons: Lack of tripod ring to buy separately, sigma quality control that leaves me slightly perplexed, not tropicalized

Opinion: After almost a year of use I got a concrete idea about this lens that was literally a relationship of love and hate. Let's start from what has negatively marked my experience with this perspective; The first specimen I bought (fortunately through amazon) arrived with the electronics totally non-functioning, it did not communicate electronically with the camera body, fortunately I could make the immediate return. The second model, purchased on a well-known Italian shop, left me very perplexed right away for about a month of use. I noticed a fairly marked tendency to knead and total loss of microcontrast and fine detail. Initially I blamed myself because I had never used optics of this type, and maybe I still had to become familiar, especially in the management of air density, choosing ideal days, but despite doing tests even at home the results were still very bad, moreover, comparing myself with various photographers and even here on the forum my experience of use was totally different from what were the feedback released about this lens. So after several attempts I discovered that I had the rear lens "fogged up", I could not even define what it was, it was a very light patina above the rear lens, moist, almost muddy, visible only through the flash of the phone, which covered the rear lens, fortunately externally. It was not easy to see this problem or clean the lens totally, as the rear lens resolved very inside the back of the lens, but with a little patience and with the help of the classic pallets for cleaning the sensor I finally managed to do justice to this lens that is really very surprising in terms of performance. As for this strange fact, I do not know if it is due to sigma or to the shop that sold it to me, the fact is that anyway the lens arrived to me perfectly packed and with all the seals closed, so I strongly doubt that it is due to those who sold me the lens. Another negative point is the lack of the tripod ring that must be purchased individually and costs about € 150 that owner sigma and € 60 that of third parties but that still offer a very good quality, honestly I do not understand this commercial choice, I consider the tripod ring indispensable on a lens of this type. The lack of tropicalization is clearly the compromise that requires this lens, but still has an excellent build quality, the attack is however tropicalized, but the body of the lens is not tropicalized, but I still used it in situations of very high humidity at dawn and did not give me any kind of problem. Its points in favor are definitely the size and sharpness. At the center is really a blade at practically all focal lengths, loses something from 300 to 400mm but it is really about looking for the hair in the egg, and solves with eyes closed the 43mpx of the a7rIII and almost certainly has no problems even on the older sisters from 61mpx. I find it very sharp at all openings (clearly at TA loses a little bit) but the best of itself seems to give it to f11, returns literally sharp files.

Gi.esse

sent on February 27, 2023

Pros: Superlative sharpness

Cons: Absence of tripod mount and cost of the latter

Opinion: Sharpness equal to the Sony 100-400 at f8 only that costs less than half. Tripod mount essential for landscape photography that I had to buy separately and at a decidedly excessive cost (150 euros). The only sore point: it suffers from the wind and even on a tripod it is not very stable. I find too high the attack that in most cases fails to cushion the micro vibrations.

Rossoduc

sent on January 02, 2023

Pros: Excellent sharpness, easy to handle, top quality / price ratio

Cons: The only flaw is that there is no multiplier on the market.

Opinion: Many complain about the lack of the tripod ring, but given the cost and knowing it from the beginning you can not judge it as a lack, with less than € 50 I took it through the internet and end. What matters is the quality of the glass and here we are, center in full. Even at full aperture it goes great at all focal lengths and a slight drop to 400 mm. you can see it only by going to magnify in an exaggerated way and all at just over a third of the cost of the Sony. For those who make occasional use, but not only, it is definitely convenient, If used on APS-C it becomes an excellent 150 / 600. For me who have a Sony kit both FF and aps-c I find two lenses to use, to choose, depending on the need. As mentioned, a good 1.4x multiplier would be useful. We remain hopefully waiting.

Lucio Pegoraro

sent on March 16, 2021

Pros: Lightweight, Crisp, Carefully Built, Great Q/P Ratio

Cons: Lack of tripod ring, Zoom lock only at rest (at 100mm)

Opinion: I have had this lens for a few months and I have to say that I am very satisfied. I found myself buying an alternative ML system to the 7Dii + sigma 150-600S choosing lightness without giving up quality. This lens combined with the Sony a6400 is for me an ideal solution for those who find themselves hiking in the mountains but do not want to carry useless weights. It is sharp at every focal length (perhaps it loses a little at 400mm when compared to the Canon 400L f.5.6 that I own), has a fast and good AF that I personally use only for the central points, has a valid quality of construction for a lens that Sigma has cataloged as a "C" series and an unsurpassed Q /P ratio. Compared to the same GM model as Sony, it holds up the comparison in every field leaving forum discussions to the fanboys. I found it in bad taste not to use the typical case of Sigma lenses which for this lens is absent. The lack of a tripod ring is also noticeable, but I personally use it exclusively by freehand.

There are 6 more reviews. Show all »

Photos taken with Sigma 100-400mm f/5-6.3 DG DN OS C

Sengio Alto

by Francesco Dall'Olmo
75 comments, 6585 views [editors pick]

HI RES 9.8 MP

Fox

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50 comments, 7310 views [editors pick]

HI RES 19.7 MP

Let's hope it's the last trip

by Claudio Cozzani
129 comments, 18143 views

HI RES 8.7 MP

Mara Before

by StefanoBalma
36 comments, 2641 views [editors pick]

Trails

by Merlino82
60 comments, 4591 views

HI RES 8.0 MP

Along the banks of the river Po'

by Francesco.Santullo
140 comments, 5380 views

HI RES 6.0 MP

But how cold is !!!

by Testarossa57
78 comments, 7885 views

HI RES 4.8 MP

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Martino on the starting blocks

by Marco50
59 comments, 2712 views

HI RES 3.8 MP

All gray around me

by Claudio Cozzani
67 comments, 4558 views

HI RES 9.7 MP

Navigating on autumn reflections

by Thealby87
106 comments, 3299 views

HI RES 8.2 MP

Between Dawn and Fog!

by Francesco.Santullo
120 comments, 3210 views

HI RES 24.0 MP

Roman arches

by Gianluca8675
55 comments, 3373 views

HI RES 29.1 MP

Empire of Loneliness

by Thomas de Franzoni
35 comments, 1655 views

HI RES 16.0 MP

Angels in heaven

by Testarossa57
63 comments, 3223 views

Castell'Arquato, before dawn

by Juza
12 comments, 3761 views

HI RES 24.0 MP

24 December 2021 - Marche

by Carlo Marchese
49 comments, 2042 views

HI RES 13.5 MP

The weight of the years

by Claudio Cozzani
67 comments, 2125 views

HI RES 24.0 MP

Fox

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25 comments, 2879 views

HI RES 24.0 MP

I'm the most beautiful

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61 comments, 3191 views

HI RES 5.3 MP

Impressionism in Castelluccio

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HI RES 3.8 MP

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The Swan Flight

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51 comments, 3370 views

HI RES 5.7 MP

Untitled Photo

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46 comments, 1540 views

HI RES 9.1 MP

Blue stripes

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51 comments, 3921 views

HI RES 5.8 MP

The church and the tower

by Juza
11 comments, 2771 views

HI RES 10.7 MP

Equilibrists

by Lucio Pegoraro
36 comments, 4900 views

HI RES 12.6 MP

Cerro Torre

by Francesco Dall'Olmo
9 comments, 1897 views

HI RES 9.8 MP

Who am I?

by Testarossa57
54 comments, 3850 views

HI RES 3.9 MP

Wood nuthatch

by Marco50
36 comments, 1009 views

HI RES 6.0 MP

Grand Sasso of Italy

by Marcomincarelli
22 comments, 2305 views

The Hunt for the Ruler

by Testarossa57
47 comments, 3312 views

HI RES 4.0 MP

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View of Mount Etna

by Marco Grosso
27 comments, 899 views

HI RES 20.0 MP

The Two Brothers

by Francesco.Santullo
86 comments, 2819 views

HI RES 6.3 MP

Port Front

by Merlino82
21 comments, 2282 views

HI RES 10.0 MP

Blessed Solitude

by Francesco I.
36 comments, 2380 views

HI RES 12.2 MP

Aquila nipalensis

by Sajjad Nakhaei1383
26 comments, 1233 views

HI RES 9.2 MP

Emberiza bruniceps

by Sajjad Nakhaei1383
20 comments, 1467 views

HI RES 5.9 MP

The sample photos are selected automatically between all photos posted by JuzaPhoto members, using the camera and the lens selected in the techs. If you find evident errors (e.g. photos taken with cameras and lenses that are not available yet), you can contribute to improve the page by sending a private message to the user that has entered incorrect values in the photo caption.

Reviews » Lenses » Lenses Sigma » Sigma 100-400mm f/5-6.3 DG DN OS C

Sigma 100-400mm f/5-6.3 DG DN OS C : Specifications and Opinions

Buy

Offerte Usato RCE

Reviews

What do you think about this lens?

Photos taken with Sigma 100-400mm f/5-6.3 DG DN OS C