2022-Sigma 20mm F2 DG DN Review: Luxury Design, Killer Astro

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Whereas Sigma has a popularity for its Artwork line, it’s the I-series of lenses that all the time catch my curiosity for one foremost purpose: steel. Just like the others within the collection, the brand new Sigma 20mm f2 DG DN is a first-rate lens with a lovely steel barrel and a devoted aperture ring. Whereas it seems to be luxurious on the skin, it homes strong optics inside that seize sharp, punchy pictures.

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Whereas the Sigma 20mm f2 DG DN is a fairly priced ultra-wide that appears prefer it prices greater than it does, there are a couple of quirks. Chief amongst them, the weather-sealing isn’t all through the entire lens. However, at $699, are these quirks value embracing?

The lens for this assessment was supplied by LensRentals.

The Huge Image

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Professionals

  • Sharp pictures
  • Some enjoyable flares, but plenty of distinction
  • Punchy colours
  • Stunning steel physique
  • Minimal distortions for astrophotography
  • Devoted aperture ring
  • Reasonably priced
  • Not too giant or heavy

Cons

  • Solely weather-sealing on the mount
  • Occasional autofocus misses

The Sigma 20mm f2 DG DN is a fantastically constructed, steel, prime lens that’s enjoyable to shoot with. The pictures are sharp with punchy colours and distinction, and comparatively little distortion to complain about. The lens is technically nice with a number of sharpness, and it leaves a little bit of room for character with some small flare and that 20mm perspective distortion. And, it isn’t terribly costly.

Nevertheless, the weather-sealing is simply on the mount, making it inclined to wreck from mud and moisture. It’s not the only option for photographers capturing in inclement climate or working in dusty or sandy environments. It additionally had a couple of autofocus misses, however these weren’t widespread.

I’m giving the Sigma 20mm f2 DG DN 4 out of 5 stars.

Phoblographer 4 stars

Gear Used

I used the Sigma 20mm f2 DG DN within the L-Mount model, mounted on the Panasonic S5. A transparent Sigma protecting filter was used as effectively. The lens was supplied by LensRentals and the S5 is on mortgage from Panasonic.

Improvements

As a part of Sigma’s I collection, the Sigma 20mm f2 DG DN has a steel physique. It makes use of Sigma’s newest optical tech designed for sharp corners and minimal sagittal coma flare. However, they’re not doing something loopy uncommon right here.

Tech Specs

LensRentals lists the next specs for the Sigma 20mm f2 DG DN:

  • Angle of View: 94.5°
  • Autofocus: Autofocus
  • Model: Sigma
  • Compatibility: Full Body
  • Filter Dimension: 62.0mm
  • Focal Size: 20.0-20.0
  • Hood Included: Sure
  • Picture Stabilization: No
  • Merchandise Kind: Lens
  • Lens Kind: Broad Angle
  • Macro Copy Ratio: 1:6.7
  • Max Aperture: 2.0
  • Most Magnification: 0.15x
  • Mfr. Mannequin Quantity: 490969
  • Minimal Aperture: 22.0
  • Minimal Focusing Distance: 0.7feet
  • Mount: L Mount
  • Optical Design: Teams/Components: 11/13
    • Particular Low-Dispersion Components: 1
    • Aspherical Components: 3
    • “F” Low-Dispersion Components: 1
    • Aperture Blades: 9, Rounded
  • Bodily
    • Dimensions (ø x L): 2.8 × 2.9″
    • Weight: 0.8 lb.

Ergonomics

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The Sigma 20mm f2 DG DN is a reasonably-sized, steel construct, prime lens. This design is one in every of my favorites from Sigma. Metallic lenses with aperture rings are my jam and that’s precisely what this lens is. It brings a stunning steel prime choice to the E-Mount and L-Mount. And it feels nice within the palms.

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The primary management subsequent to the mount is the auto to handbook focus swap. This isn’t solely a pleasant massive swap, however it’s really color-coded so you’ll be able to simply see what mode the lens is in even from a distance. In AF mode, there’s a spot of grey below the swap. In MF mode, the swap is all black.

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The subsequent management is the aperture ring. This ring has a really satisfying click on to it, and it’s properly labeled from f2 to f22, with an A for auto. I did want to ensure this ring didn’t twist within the bag when saved, however in any other case beloved the texture of it.

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Closest to the entrance of the lens is the handbook focus ring. It is a bit bigger than the aperture ring and, after all, turns smoother. That makes it straightforward to inform the 2 controls aside by really feel. 

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The entrance of the lens takes 62mm filters. The glass doesn’t take up the complete entrance of the lens, however that’s not sudden for an f2. It ships with a steel, petal-shaped hood.

Construct High quality

The steel construct of the Sigma 20mm feels beautiful within the palms. The click aperture ring is so satisfying to make use of. Sigma actually must make extra primes with this sort of physique. It’s merely beautiful.

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Whereas the construct seems to be and feels nice, the weather-sealing is simply on the mount. With such an expensive really feel to the construct, I actually want Sigma spent the additional couple of bucks for full weather-sealing. I might hate to see grime have an effect on the attractive flip of the rings or to get contained in the lens and have an effect on efficiency and picture high quality. Whereas it seems to be sturdy, the prospect mud and water might spell bother is larger than with a lens that’s totally weather-sealed. 

The steel construct makes it really feel sturdy, however a scarcity of full weather-sealing can create overconfidence whereas capturing with this lens in situations it shouldn’t be in. After capturing with the Sigma 20mm alongside the seashore and close to the spray of a waterfall, the lens fared okay. The S5 did have some seen mud on the sensor, nonetheless, at the very least a few of these mud spots had been there once I first mounted the lens.

Autofocus

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The Sigma 20mm f2 did a good job at specializing in the kind of topics that ultra-wides are sometimes used for. I didn’t have any points capturing landscapes or structure. I did have a couple of snapshot-style pictures that had been inexplicably smooth. To clarify {that a} bit additional, we had been specializing in folks in a scene. At instances, the digicam and lens would nail specializing in their faces. However then immediately, it will lose focus for some purpose. Nevertheless, the autofocus locked on a excessive majority of the time.

With motion in direction of the digicam, the lens missed often, however nonetheless saved a lot of the pictures in focus. The S5 doesn’t have the quickest autofocus system, so I can’t say for sure whether or not or not the lens may have any points on one of many super-fast burst modes on a Sony E-Mount. Whereas the miss fee was minor, it was a bit of excessive provided that ultra-wides are inclined to lock on simpler than longer lenses.

Ease of Use

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Shot handheld, edited RAW

Controlling the aperture on the lens feels extra pure to me than making these changes on the digicam physique. That’s one of many causes this lens feels nice to make use of. There may be the off probability that newbies may discover the labeled controls daunting, however I don’t suppose too many photographers who don’t know what aperture is are drawn to prime lenses. In any other case, utilizing this lens is de facto simple.

This lens isn’t outfitted with picture stabilization. With such a large angle and with many our bodies together with stabilization, that’s not a deal-breaker. However, which will nonetheless trigger some pause for photographers who will use this lens primarily to shoot handheld low gentle. Nonetheless, on the S5, I used to be in a position to get a little bit of blur out of a waterfall with out utilizing a tripod.

Picture High quality

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Photos from the Sigma 20mm f2 DG DN are sharp and punchy. And this lens additionally handles distortions moderately effectively. It will probably seize some sharp stars, whereas barrel distortion is pretty minimal. Flare is suppressed, however there’s nonetheless a few of it available and when capturing this manner, and there’s nonetheless some distinction too.

Bokeh

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Positive, you may get extra bokeh with an extended lens or an f1.2. However, there’s some good background separation right here. This lens will create essentially the most bokeh when capturing in shut, the place the background softly fades away. The out-of-focus factors of sunshine didn’t have apparent onion ringing and most had been additionally away from cleaning soap bubbles. Bokeh balls are principally spherical, with the anticipated cat-eye form solely in direction of the sides.

Sharpness

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Even huge open, the Sigma 20mm f2 DG DN has a pleasant sharpness to it. It’s sharp, however not clobber-you-over-the-head sharp. There’s minor softening on the corners; pixel peepers might discover the sides of bushes and scenes right here aren’t fairly as sharp. However, there are only a few situations the place such a minor softness can be a difficulty.

Lens Character

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With such a large angle, the lens has surprisingly little barrel distortion. There may be some slight bending in direction of the sides that you simply’ll see in case you shortly flip again between a JPEG and a RAW file with out the lens profile utilized. However, it’s pretty minor. You’ll, after all, get the exaggerated views that include an ultra-wide: not fairly as excessive as a 16mm however not as impartial as a 35mm.

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Edited RAW

I used to be additionally in a position to take a couple of astrophotography pictures with this lens. The celebrities had been sharp and didn’t endure from many distortions that alter their form.

Photographers can get some flare right here with a bit of effort. Pointed in direction of the solar, the lens may have a smooth flare of sunshine with a couple of small ghosting spots. But, the picture nonetheless retains fairly a little bit of distinction on this state of affairs. It’s not the form of flare Photoshop artists will recreate later, however there’s a bit to play with right here.

Coloration Rendering

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The Sigma 20mm f2 DG DN has solely very minor chromatic aberration. Solely pixel peepers will actually discover it, and it’s a must to get in actual shut.

Colours felt only a tad further from this lens. The sky and greenery had a bit extra punch, but not in an overbearing approach. RAW recordsdata might simply be manipulated to satisfy a specific shade imaginative and prescient.

Further Picture Samples

From day one, The Phoblographer has been large on transparency with our viewers. Nothing from this assessment is sponsored. Additional, plenty of people will put up opinions and present plenty of enhancing within the pictures. The issue then turns into that anybody and everybody can do the identical factor. You’re not exhibiting what the lens can do. So we’ve an entire part in our Further Picture Samples space to point out off edited and unedited pictures. From this, you can also make a choice for your self.

Edited

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Unedited

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Who Ought to Purchase It?

The Sigma 20mm f2 DG DN has a lovely steel construct and delivers strong pictures. Photos have sharpness, punchy shade, and even only a little bit of character flare. Distortion is effectively managed. To high it off, the steel physique feels actually nice to work with. It’s a good selection for astrophotography and landscapes. The $699 worth level makes it a tempting selection for huge pictures. The lens is a good choice for photographers on a restricted price range; it’s reasonably priced, but the picture high quality doesn’t actually look it.

However, it’s not totally climate sealed. If the Sigma 20mm f2 DG DN had been totally weather-sealed, I might advocate it to a number of photographers (and, if I shot E or L-Mount, would severely contemplate choosing it up for myself). The restricted weather-sealing means it’s not for photographers who shoot within the rain or in sandy, dusty environments comparable to seashores. The even cheaper Tamron 20mm f2.8 Di III has higher climate sealing, although there’s vital distortion to are inclined to with that lens. It additionally had a couple of autofocus misses.



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