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Sigma 18-50mm f/2.8 DC DN Contemporary Lens for Sony E

BH #SI185028DCEM • MFR #585965
Sigma
Sigma 18-50mm f/2.8 DC DN Contemporary Lens for Sony E
Key Features
  • E-Mount Lens/APS-C Format
  • 27-75mm (35mm Equivalent)
  • Aperture Range: f/2.8 to f/22
  • Minimum Focusing Distance: 4.8"
Ideal for a wide range of photo and video applications including landscapes, portraits, street photography, architecture, and events, the 18-50mm f/2.8 DC DN Contemporary Lens from Sigma is a small, light, and bright standard zoom for crop-sensor mirrorless cameras. Offered here with a Sony E-mount, this lens provides a versatile full-frame equivalent zoom range of 27-75mm and a wide constant aperture of f/2.8 throughout the entire zoom range. The lens design includes three high-precision glass-molded aspherical elements coupled with a special low dispersion element. Together they minimize the total number of elements for superb optical quality without excessive weight. Autofocus is exceptionally fast and quiet thanks to the lens's stepping motor, which can be particularly useful when shooting video or fast-moving subjects such as children and animals. An ultimate workhorse, the lens features a minimum focusing distance of just 4.8", enabling it to be used for macro-style close-up photography, and the lens is also outfitted with a rounded seven-blade diaphragm for a pleasing bokeh quality.
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$549.00
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Sigma 18-50mm f/2.8 DC DN Contemporary Overview

Ideal for a wide range of photo and video applications including landscapes, portraits, street photography, architecture, and events, the 18-50mm f/2.8 DC DN Contemporary Lens from Sigma is a small, light, and bright standard zoom for crop-sensor mirrorless cameras. Offered here with a Sony E-mount, this lens provides a versatile full-frame equivalent zoom range of 27-75mm and a wide constant aperture of f/2.8 throughout the entire zoom range. The lens design includes three high-precision glass-molded aspherical elements coupled with a special low dispersion element. Together they minimize the total number of elements for superb optical quality without excessive weight. Autofocus is exceptionally fast and quiet thanks to the lens's stepping motor, which can be particularly useful when shooting video or fast-moving subjects such as children and animals. An ultimate workhorse, the lens features a minimum focusing distance of just 4.8", enabling it to be used for macro-style close-up photography, and the lens is also outfitted with a rounded seven-blade diaphragm for a pleasing bokeh quality.

Standard zoom lens is designed for APS-C-format Sony E-mount cameras and provides a 27-75mm equivalent focal length range.
Constant f/2.8 maximum aperture is well-suited for working in low-light conditions and provides greater control over the focus position when using shallow depth of field techniques.
Three high-precision glass-molded aspherical elements are used to help limit distortion and spherical aberrations and contribute to greater overall sharpness and accurate rendering.
Special Low Dispersion (SLD) element reduces chromatic aberrations and color fringing.
Super Multi-Layer Coating minimizes flare and ghosting for improved contrast and color accuracy when working in strong lighting conditions.
In-camera aberration correction further eliminates optical imperfections such as distortion and vignetting.
Stepping motor with nearly silent autofocus that makes it perfectly suited to a range of photographic applications, including shooting in quiet environments, recording videos, and capturing fast-moving subjects.
Minimum focusing distance of 4.8" and a 1:2.8 maximum magnification ratio benefits working with close-up subjects.
Rounded seven-blade diaphragm contributes to a pleasing bokeh quality.
UPC: 085126585655

Sigma 18-50mm f/2.8 DC DN Contemporary Specs

Focal Length18 to 50mm (35mm Equivalent Focal Length: 27 to 75mm)
Maximum Aperturef/2.8
Minimum Aperturef/22
Lens MountSony E
Lens Format CoverageAPS-C
Angle of View76.5° to 31.7°
Minimum Focus Distance4.8" / 12.1 cm
Maximum Magnification0.36x
Macro Reproduction Ratio1:2.8
Optical Design13 Elements in 10 Groups
Diaphragm Blades7, Rounded
Focus TypeAutofocus
Image StabilizationNo
Filter Size55 mm (Front)
Dimensions (ø x L)2.5 x 2.9" / 64.5 x 74.5 mm
Weight10.2 oz / 290 g
Packaging Info
Package Weight1.01 lb
Box Dimensions (LxWxH)5.5 x 4.3 x 4.1"

Sigma 18-50mm f/2.8 DC DN Contemporary Reviews

Surprisingly compact lens with excellent image quality

By Roger
Rated 5 out of 5
Date: 2022-06-27

My first impression of this lens in a store was that it was too small and didn't feel like a serious lens. I still put it on my a6600 and took a few shots and then compared it to the Sony 16-55 which felt more substantial with a price to match. When I looked at the raw files at home I noticed that there wasn't really a resolution difference and the Sony files had heavy distortion and vignetting before a profile was applied. I decided to get the Sigma knowing I could resell it if needed. Well, I tested it against my old Sigma 17-50mm f2.8 (EOS) which was my main zoom and then also the excellent Sony 55mm 1.8 and Sony Zeiss 24mm 1.8. Moving away from the retrofocal design for DSLRs meant there was no optical compromise- on the wide end the Sigma is far more detailed with sharper corners and less haze and aberration than the older Sigma had despite a huge decrease in size and weight. Even stopped down the new lens is a winner. At longer focal lengths they are similar. Much less coma for point light sources at night as well even wide open. The Sigma wasn't quite the equal to the primes wide open but very close stopped down which is more than acceptable for an all-purpose lens given the price and size. Are there downsides? Yes. I find it initially misfocuses some of the time which is a problem if you aren't paying attention (shooting from the hip, etc.). Give it a second to acquire focus and it will be fine. None of my other lenses exhibit this oddity. Tracking autofocus with the a6600 works very well as does burst autofocus and video autofocus. Also, the filter size is small so you'll save money on polarizers or ND filters. Sigma really nailed this lens design and didn't have to sacrifice optical quality like Sony did with the horrible 16-50 kit lens.

Great range for cheap

By Christopher
Rated 5 out of 5
Date: 2022-06-14

I previously only owned the Sigma 16mm 1.4 prime lens and loved it.. I bought this because I needed something else to take portrait pictures with as well as pictures of my keyboards and desk setups and it has worked great! I've also taken some really nice shots of our recently adopted dog :) I'll be bringing this thing with me EVERYWHERE!

I love this lens, but polishing residues?

By Soon
Rated 4 out of 5
Date: 2022-05-05

This lens on my Sony a6400 performs so well, and looks so good that I want to take it everywhere I go. However, I exchanged the first one I received because of the dusts (?) inside the lens (see the image attached). I contacted Sigma, and they said they are probably polishing residues left behind, and if they cause any problem in the image in the future, I can send it to them for clean up for free since it has 4 year warranty, or I can exchange with B&H. My exchanged 2nd one, and still have those dusts (?) although there are much less this time. The glass elements look pristine but the metal parts have this. I don't want to exchange it again because I don't want to wait for the new one which might have the same thing. Any other owners of this lens have this problem also? And is it even a problem?

Perfect for travel

By Stephen
Rated 5 out of 5
Date: 2022-05-03

At $580 this was the most expensive lens I've ever purchased, but I don't regret it at all. This really feels like a near perfect match for my Sony A6500. The build quality is great. Its light and small, almost the same size as my Sigma 30mm f/1.4. The focal range of 18mm - 50mm on Sony APSC is roughly equivalent to 28mm - 75mm on full frame, which is really solid for a single-lens photography kit. While I do wish that it could have extended to 55mm on the far end (85mm equiv.), the 50mm is just enough reach to get some nice convenient portraits and up-close macro shots, along with filling the frame with some slightly more distant subjects. On the other hand, the 18mm (28mm equiv.) is really perfect for those large nearby subjects, buildings, etc.. Overall I am really happy with this lens. I used to shoot primes almost exclusively, especially the Sigma 30mm f/1.4 and 56mm f/1.4, but thanks to this lens I can safely leave all my primes at home.

Lives Up to Its reviews.

By Bruce
Rated 5 out of 5
Date: 2022-04-07

The lens is well built, compact, and light. It fits the a6xxx series very nicely. I've not had a chance to use it out in the field yet, but the test shots I did with it came out very sharp. Autofocus is fast and quiet. I'm very pleased with this lens.

Perfect Walk Around Lens!

By Matthew
Rated 5 out of 5
Date: 2022-03-30

I love my sigma trio, but this lens is just so much easier as a walk around lens! It's a perfect size and I save so much time not having to swap lenses. I'm so happy I bought this lens!

Almost perfect!!

By Ralph
Rated 5 out of 5
Date: 2022-06-24

This lens is fast, sharp, light weight & compact! The focus is fast and quiet and pin sharp throughout the focal range. Distortion is present at both wide and tele range but easily correctable in raw by Lightroom software or by utilizing in camera corrections in jpeg. Colors are true and warm and flare is well controlled! Only minor nitpick is the lens could have been a little wider, say to 16mm. I have another wide angle zoom to cover that. Great price for the features and great for general, landscape, travel, event & portraits. Thanks B&H for super fast shipping!

Light, fast & sharp!

By Ralph
Rated 5 out of 5
Date: 2022-06-15

When my 16-70 f/4 Sony lens needed repair it was actually a wake up call. All the reviews are true. The lens is small and light and easy to handhold! Even wide open the center is tack sharp and the corners good! Stopped down to f/5.6 the entire image is sharp. Distortion at both ends is visible but correctable in camera for jpegs or in raw via Lightroom lens profiles. Focus is quick and accurate and the bokeh is nice and smooth. The Sigma colors are warm and realistic. This lens is perfect for general photography, landscape, portraits, event and travel. This lens complements my 10-18 f/4 Sony; 60 f/2.8 Sigma; and 70-200 f/4 Sony. Great job Sigma!!

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Asked by: Zachariah
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Date published: 2021-10-22

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Date published: 2021-10-31

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Asked by: Danny
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Answered by: Roger
Date published: 2022-01-18

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Asked by: Gary
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Date published: 2021-12-28

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