Sigma Art 50mm f/1.4 DG HSM Review
The Sigma 50mm f/1.4 Art has autofocus so good it feels like magic, but its high price and mediocre optics make it a hard lens to love.
Overview
This Sigma 50mm Art lens is a portrait machine, but that's all it is. The one thing you need to know is that its autofocus is in the 99th percentile, which is wild for a third-party lens. It locks onto eyes like a missile. But everything else about this lens is a compromise for that one incredible trick.
Performance
The autofocus speed and accuracy genuinely surprised me. It's blisteringly fast and silent, making it feel like a native Canon L lens. What didn't surprise me was the optical performance, which sits in a mediocre 34th percentile. You get sharpness in the center wide open, but the corners are soft until you stop down. For a grand, I expected more.
Pros & Cons
Pros
- Autofocus is absolutely top-tier and deadly accurate. 99th
- Beautiful, creamy bokeh thanks to that f/1.4 aperture. 94th
- Solid metal build feels premium in the hand. 88th
- Full-time manual focus override is a nice touch. 82th
Cons
- It's a brick at over half a kilo. Not fun to carry. 22th
- No weather sealing means you're babying a $1000 lens. 35th
- Optical sharpness is just okay, especially for the price.
- Zero image stabilization, so you need steady hands or good light.
Specifications
Full Specifications
Optics
| Type | Standard Zoom |
| Focal Length Min | 50 |
| Focal Length Max | 50 |
Aperture
| Max Aperture | f/1.4 |
| Min Aperture | f/16 |
Build
| Mount | Canon EF |
| Weight | 0.8 kg / 1.8 lbs |
| Filter Thread | 77 |
AF & Stabilization
| AF Type | USM |
| Stabilization | No |
Focus
| Min Focus Distance | 399 |
Value & Pricing
At $1049, it's a tough sell. You're paying a premium for that legendary Sigma Art build and exceptional autofocus, but the actual image quality isn't class-leading. If autofocus speed is your absolute top priority for portraits, maybe. Otherwise, no, it's not worth it.
Price History
vs Competition
For Canon shooters, the Canon EF 50mm f/1.2L is the obvious comparison. It's more expensive, its autofocus isn't as snappy, and it's softer wide open. But it has weather sealing and that magical L-series rendering. The Viltrox 35mm F1.7 is the budget alternative. It's a different focal length, but it proves you can get great images for a fraction of the price, even if the build and AF aren't in the same league.
| Spec | Sigma Art 50mm f/1.4 DG HSM | Meike Meike 55mm F1.4 Standard Aperture APS-C Frame AF | Viltrox Air VILTROX 35mm F1.7 f/1.7 Air AF Lens for Fuji X | Tamron Di III Tamron 17-70mm f/2.8 Di III-A VC RXD Lens for Sony | Canon RF Canon RF 24mm f/1.8 Macro IS STM Lens | Fujifilm VILTROX 56mm F1.4 STM APS-C Frame Auto Focus |
|---|---|---|---|---|---|---|
| Focal Length | 50mm | 55mm | 35mm | 17-70mm | 24mm | - |
| Max Aperture | f/1.4 | f/1.4 | f/1.7 | f/2.8 | f/1.8 | f/1.4 |
| Mount | Canon EF | Nikon Z | Fujifilm X | Sony E-Mount, Sony E-Mount, Sony E-Mount, Sony E-Mount, Sony E-M | Canon RF | Fujifilm X |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | false | false | false | false | false | true |
| Weight (g) | 812 | 281 | 400 | 544 | 272 | 320 |
| AF Type | USM | STM | STM | Autofocus | Autofocus | STM |
| Lens Type | Standard Zoom | - | - | Wide-Angle Zoom | Wide-Angle | - |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Sigma Art 50mm f/1.4 DG HSM | 99.1 | 81.8 | 22 | 60.5 | 34.6 | 88.1 | 37.5 | 93.6 | 37.9 |
| Meike 55mm F1.4 Standard Aperture APS-C Frame AF STM Compare | 95.6 | 81.8 | 81.1 | 89.1 | 67.5 | 88.1 | 37.5 | 89.9 | 87.8 |
| Viltrox Air 35mm F1.7 f/1.7 AF Compare | 95.6 | 73.6 | 63.4 | 93.2 | 74 | 80.5 | 37.5 | 95.1 | 87.8 |
| Tamron Di III 17-70mm f/2.8 -A VC RXD Compare | 46.4 | 59.2 | 64.3 | 77.4 | 90.8 | 54.6 | 92.5 | 95.1 | 87.8 |
| Canon RF 24mm f/1.8 Macro IS STM Compare | 46.4 | 81.8 | 87.6 | 81 | 82.5 | 75.8 | 37.5 | 98 | 99.9 |
| Fujifilm VILTROX 56mm F1.4 STM APS-C Frame Auto Focus Standard Prime Compare | 95.6 | 81.8 | 88.8 | 85.3 | 34.6 | 88.1 | 37.5 | 86.7 | 87.8 |
Verdict
I can only recommend this to a very specific photographer: someone who shoots portraits on a Canon DSLR, needs the absolute fastest and most reliable autofocus, and doesn't care about weight or weather sealing. For everyone else, look at the Canon 50mm f/1.2L for the full package, or save a ton of money and go with a third-party option like Viltrox.