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Sigma 18-50mm f/2.8 DC DN : Specifications and Opinions

The Sigma 18-50mm f/2.8 DC DN is a standard lens for APS-C, manufactured from 2021. The focus is done by Stepper Motor, it does not have image stabilization. The average price, when it has been added to the JuzaPhoto database, is 547 €;

17 users have given it an average vote of 9.4 out of 10.

MOUNT

This lens is available with the following mounts:

Canon RF: this lens is compatible with mirrorless APS-C Canon RF.

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

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

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

Specifications
Focal lenght	18-50 mm
Angle of view	76.3 - 31.6° (equivalent to a 27-75mm in Fullframe 24x36mm format)
Format	APS-C
Max. aperture	f/2.8
Aperture blades	7
Lenses/Groups	13 elements in 10 groups
Min. focus distance	0.12 meters
Reproduction ratio	0.35x
Features
Zoom type	Ring, external
Stabilization	No
Focus	Stepper Motor
Internal Focus	Yes
Built and notes
Tripod ring	No
Extenders	No
Filters	55 mm
Lens hood	Yes, supplied
Weather sealing	Yes
Weight	290 g
Dimensions	65 x 74 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.

Giobanni

sent on April 04, 2025

Pros: Lightweight, compact, eye-catching, crisp satisfying

Cons: chromatic aberrations sometimes evident

Opinion: Kept for a few months but after finding that the chromatic aberrations, in some cases a little more extreme, jumped out at the eye (green and red on the blurred keys of the PC keyboard for example) I replaced it. I also got the cash back discount even if late to the 2 months declared but in the end I preferred the 28-60 of sony for my street. For 500 euros I expected more than a little more brightness which you are forced to give up using at least an f4 to avoid the defect

Nouhanda

sent on March 21, 2025

Pros: Very light and compact, smooth dials, image quality

Cons: Chromatic aberrations

Opinion: I analyzed at length whether to take the Fuji 16-55 mk1, the Fuji 16-50 or the Sigma. Embracing the philosophy of portability, I excluded the Fuji 16 55 mk1 for its weight and size, I don't consider the mk2 because it is too expensive, while I preferred it to the Fuji 16 50 because of the constant aperture. If you are also wondering which one to get, consider this: if you don't necessarily care about having Fuji lenses, if chromatic aberrations are a negligible defect and if you can tolerate the absence of the aperture ring, go easy on the Sigma. The portability is exceptional combined with the XS10 and the quality is more than good.

user207727

sent on October 23, 2024

Pros: Excellent lens (see features)

Cons: none (see features)

Opinion: That it's compact, lightweight, constant f2.8, tropicalized, no aperture ring and no stabilization can be seen from the lens specs, so these above can't be considered either pro or con. These are things that you know before you buy the lens. For the use I make of it, on Sony, I didn't have any surprises: the lens seems very good to me, it responds perfectly to the advanced AF of the 6700 and a little vignette, which for me is not a big problem but it is certainly noticeable. I don't express myself on sharpness because I am not able to evaluate it but it seems to me that it is ok, as well as on the rendering of colors which seems to me all in all neutral. A true all-rounder, compact, lightweight, f2.8, quality, at a fair price, which restores justice to the APSC system.

Wilier86

sent on October 16, 2024

Pros: Small size, f/2.8 throughout focal length, price, sharpness, portability

Cons: Non-premium materials, lack of aperture selector.

Opinion: Bought to complement the Fuji XT5. I was looking for an optic with constant f/2.8, in the end I was undecided between three, Fuji f.2.8, in Tamron and Fuji. In the end my choice fell on him for the sharpness factor, size and cost. The Tamron has a longer focal length but weighs twice as much and also in size it is much longer so I discarded it. The Sigma qualitatively has more valuable materials but it also weighs a lot and costs twice as much as the sigma and then Fufji announced the new II version which apparently decreases in size but should cost around 1600 euros (too expensive). Let's go to the Sigma, I recommend it to those who need a light optic, it is of excellent quality, it has a scary sharpness almost as much as the Fuji at half the weight, size and cost. it is an excellent lens to always carry with you, it fits in a pocket, really small, I still wonder how Sigma managed to make such an optical at constant f2.8 with these dimensions. the only negative drawback, the materials a bit plastic, but guys at this price and with this quality in such a small size you can accept, another factor that is missing is the aperture selector, but I don't see it as a very negative influential factor because you can select them with the wheel in the dedicated camera body, so nothing special. In conclusion, I highly recommend it for those who travel, or do street or reportage and need a constant focal length range from 18 to 50 2.8 with an excellent quality of sharpness rendering in very small dimensions and a ridiculous very light weight.

Roberto Nalini

sent on August 01, 2024

Pros: Sharp, light, tropicalized, excellent construction.

Cons: Lack of stabilization.

Opinion: I took it yesterday and took several test photos and I confirm the excellent performance. Much sharper than the canon 18:150 with the same focal length of course. Very beautiful colors, excellent rendering of the complexion. Too bad there is no stabilization, but on the R7 the lack is felt less given the stabilization of the sensor. Brava sigma, finally an Aps-c lens worthy of Canon. Now we are waiting for the others announced and above all a stabilized 50-100 zoom at least compact like these. Lately I prefer portability and lightness over everything else, so much so that the full kit is increasingly at home. At the time of reflex cameras, apsc was far below full, but now you have to draw your eyes already by zooming in to 100% with lenses of this level, especially on prints. And if you get manias, let you carry the weight of the backpack.

There are 6 more reviews. Show all »

Photos taken with Sigma 18-50mm f/2.8 DC DN

Urbino

by Magù
106 comments, 2094 views

HI RES 23.9 MP

Val di Fumo

by Ruggio
22 comments, 4776 views

HI RES 24.0 MP

Pieve di Santa Giuliana, Vigo di Fassa

by 26switar
26 comments, 3552 views

HI RES 18.8 MP

Evening Veiling

by Magù
82 comments, 999 views

HI RES 3.8 MP

Stephanie

by Emilio94
9 comments, 3818 views

HI RES 25.6 MP

Joyce

by Emilio94
6 comments, 3291 views

HI RES 25.6 MP

Corsair beer!

by Magù
50 comments, 1044 views

HI RES 4.6 MP

Cuney Shrine

by Magù
56 comments, 1152 views

HI RES 3.8 MP

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Points of light

by Zonca Michael
20 comments, 576 views

HI RES 21.3 MP

Unforgettable views

by Magù
45 comments, 510 views

HI RES 3.8 MP

Between markets and Pirates

by Magù
37 comments, 629 views

HI RES 3.8 MP

Details of the forest

by Zonca Michael
11 comments, 395 views

HI RES 3.8 MP

Je me suis perdu.....

by Magù
24 comments, 204 views

HI RES 3.8 MP

Val di Fumo

by Ruggio
5 comments, 1575 views

HI RES 25.6 MP

Autumn

by Zonca Michael
8 comments, 382 views

HI RES 3.8 MP

Valentina

by Emilio94
9 comments, 2929 views

HI RES 25.6 MP

Under the legs

by Liuk79
23 comments, 1403 views

HI RES 21.5 MP

Touring Bremen 2

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13 comments, 513 views

HI RES 4.3 MP

Riposto (Italy)

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0 comments, 2685 views

HI RES 26.5 MP

Today we go walking!

by Magù
27 comments, 540 views

HI RES 3.8 MP

Urban - Milan

by Liuk79
8 comments, 1224 views

HI RES 25.8 MP

Gran Sasso, Franchetti refuge

by Ruggio
10 comments, 1277 views

HI RES 22.6 MP

IN A PURPLE SEA

by Max45
5 comments, 2512 views

HI RES 13.0 MP

Street - Milan

by Liuk79
11 comments, 898 views

HI RES 25.1 MP

Street - Milan

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0 comments, 1368 views

HI RES 25.8 MP

Street - Milan

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10 comments, 1710 views

HI RES 23.5 MP

Untitled Photo

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32 comments, 417 views

HI RES 24.5 MP

Street - Milan

by Liuk79
3 comments, 1091 views

HI RES 9.5 MP

CASTLE OF PROH (NOVARA)

by Roberto1985
4 comments, 2860 views

HI RES 18.6 MP

Route des Grand Alpes, col de Lautaret

by 26switar
4 comments, 1701 views

HI RES 19.9 MP

Untitled Photo

by Raffaele 10
10 comments, 533 views

HI RES 16.0 MP

Stone cairn

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29 comments, 389 views

HI RES 3.8 MP

Street - Milan

by Liuk79
1 comments, 1019 views

HI RES 12.4 MP

Church of Fongara - Alto Vicentino

by 26switar
2 comments, 1443 views

HI RES 20.1 MP

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Back in time - Historic train

by Liuk79
4 comments, 589 views

HI RES 24.7 MP

Venice - stormy sea

by Liuk79
4 comments, 1045 views

HI RES 21.7 MP

"And then we'll meet..."

by Dokker
4 comments, 940 views

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 18-50mm f/2.8 DC DN

Sigma 18-50mm f/2.8 DC DN : Specifications and Opinions

Buy

Offerte Usato RCE

Reviews

What do you think about this lens?

Photos taken with Sigma 18-50mm f/2.8 DC DN