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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.
- E-Mount Lens/APS-C Format
- 27-75mm (35mm Equivalent)
- Aperture Range: f/2.8 to f/22
- Minimum Focusing Distance: 4.8"
Sigma 18-50mm f/2.8 DC DN Contemporary Overview
Sigma 18-50mm f/2.8 DC DN Contemporary Specs
| Focal Length | 18 to 50mm (35mm Equivalent Focal Length: 27 to 75mm) |
| Maximum Aperture | f/2.8 |
| Minimum Aperture | f/22 |
| Lens Mount | Sony E |
| Lens Format Coverage | APS-C |
| Angle of View | 76.5° to 31.7° |
| Minimum Focus Distance | 4.8" / 12.1 cm |
| Maximum Magnification | 0.36x |
| Macro Reproduction Ratio | 1:2.8 |
| Optical Design | 13 Elements in 10 Groups |
| Diaphragm Blades | 7, Rounded |
| Focus Type | Autofocus |
| Image Stabilization | No |
| Filter Size | 55 mm (Front) |
| Dimensions (ø x L) | 2.5 x 2.9" / 64.5 x 74.5 mm |
| Weight | 10.2 oz / 290 g |
| Package Weight | 1 lb |
| Box Dimensions (LxWxH) | 5.5 x 4.5 x 4.3" |
Sigma 18-50mm f/2.8 DC DN Contemporary Reviews
Good quality image
Nice quality compared to the fuji film 18-55mm, and really lightweight and easy to bring out outside and take photos. I wish they have updated and refine the image quality for 18mm f 2.8, the corner looks little stretched
A fantastic lens at a decent price
I'm using this lens on my Sony a6400. I also have the Sigma 16mm DC DN Contemporary lens, but I needed a bit more flexibility in framing of my subjects and the 18-50 is perfect. Well built, excellent quality. I love it!
great upgrade from a kit lens
had a great experience with this lens so far! beautiful quality but nice and compact so doesn't feel like a hassle to carry around, and the zoom is impressive as well. perfect if you're looking for a good starter lens (i have the a6400) and the macro is especially great.
Perfect
Love the small size and weight. Excited to have more quality options for Fuji X-mount.
Phenomenal little lens
Phenomenal little lens, way better thank the Fuji kit one, Light, compact, nice to operate, fast quiet autofocus. Nice bokeh, especially at the long end. Highly recommended.
Leave the fujicrons at home
I've been looking forward to this lens ever since I got my X-H2 and returned my 16-55 f/2.8 for being too dang big. Side by side with my XC 35, it's ever so slightly less sharp at any aperture, literally only 1 or 2%, and that's the weak point in the range, I think it's sharper than the 23mm f/2 (although I no longer own a copy for comparison). Close focus is incredible, focus speed and 'feel' is decidedly more modern than the Fujicrons (I think Sigma has been learning some lessons working with Sony). Build feels very sturdy, Sigma advertises it as only being sealed at the mount but I wouldn't be surprised if there's more gaskets in there. For less than the price (and weight, and size!) of two Fujicrons, you get pretty much all of them in one lens, minus a stop of light and a fiddly aperture ring, at the same image quality. To me, that's an easy trade. One final word, the color reproduction of it is true to the usual Fuji tones, which was a selling point for me. Next to my other Fuji lenses, I get the exact same color profile and white balance for a given scene, which isn't the case for most of my 3rd party and adapted lenses.
Wanted to love this lens but....
I recently bought the Fuji XT-5. I already own the Fuji 16-55 - 2.8 but it's SO big/heavy I rarely use it. Saw how small this Sigma 2.8 was, plus read several very positive reviews so decided t buy it. Long story short I found this lens to be super soft at some focal lengths, ESP 18mm. I know most zoom lenses need compromise a bit on the wide and or fully zoomed in ends. Thing is esp around 18-22mm no matter what the aperture I used, a large part of the corners were SUPER soft like almost smearing soft. I'm talking like smartphone soft. I live near some mountains and there's a paved road on a big incline where I can overlook a ton of houses, a lake..and some mountains in the background. Again even if I stopped down to f 7-ish or/f11 all of the houses in the corners looked like mush or just lacking any kind of detail. It drove me so crazy I returned to the same spot with my Ricoh GRIII as it's also 18mm - 28mm equivalent full frame.. Even at 2.8 the Ricoh was like 5 times more sharp than this Sigma esp in the corners. Shooting in other settings with this Sigma ex: on streets, buildings etc..I did not notice the wide end being so mushy in the corners, so you may not notice this till you have the opportunity to take some wide landscape pictures. Also I'd like to say MAYBE? this is not so much the fault of THIS lens. I have older Fuji primes too, The 23mm 1.4 and 35 1.4...and though generally sharper than this Sigma, all my older Fuji lenses don't look that great or SHARP overall with the new 40meg sensor. I know Fuji has a recommended list of newer lenses to pair with the new 40meg sensor...My older primes were not on the list..and they are not going to list any third party lenses, aka this Sigma. One other thing I did not like but got used to is, the manual focus ring is totally flush with the barrel. It's almost impossible to use it without being super careful you are not grabbing the barrel too. It's not a big deal, but you will notice this. Now that I bashed this lens, I LOVE the overall size of it, it feels very well made, zooming in out feels smooth and silky. It MAY be this lens may just be better suited for the 24/26 meg Fuji sensors and perhaps you would not notice the almost smearing I saw in the corners on the 40 meg XT-5. I admit I DO pixel peep a bit! If you don't zoom into 100% on a 40 meg photo, this lens renders everything very well, great Fuji color..even rather good overall detail, it focuses quickly and quietly, and I LOVE it's size/LOVE it's price. But unless MAYBE I just got a bad or soft copy which IS possible...this lens overall, is rather soft on my XT5 at least, vs a cyclically sharp type lens, and that may be fine...but doesn't work for my taste.
Light and small, professional results
Use my lens with Sony A6600 APSC ... perfect, no complaints. Use for portraits and film work.
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