Sirui Aurora 35mm F1.4 35mm
The bright f/1.4 aperture and 13-blade diaphragm deliver strong low-light performance and smooth bokeh in a weather-sealed, 490g full-frame body. Its video-oriented features, including a clickless aperture ring with iris lock and a USB-C port for firmware updates, add practical control for hybrid shooters. This lens is best for Sony E-mount photographers and videographers needing a versatile 35mm prime for street, documentary, and travel work.
Snapshot
The 30-Second Version
Stunning bokeh and a bright f/1.4 aperture at a tempting price, but quality control is still a mess. The overall score has jumped to 69, and if you get a good copy, it's bargain of the year. If you don't, it's unusable. Buy from a place with easy returns.
Pros & Cons
Pros
- Gorgeous bokeh that punches way above its price point. 100th
- Bright f/1.4 aperture for low light and subject separation. 98th
- Compact and lightweight at 490g, easy to carry all day. 97th
- Dedicated iris lock and click switches make video work smoother. 80th
Cons
- Copy-to-copy variance is brutal—you might get a lemon.
- Corner sharpness is disappointing even on good samples.
- No optical stabilization to pair with the bright aperture.
- Questionable weather sealing, despite the marketing claims.
What owners think
The Word on the Street
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 6 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
That f/1.4 aperture lands in the 94th percentile, and it shows. In low light, this lens pulls in a ton of light, and the 13-blade diaphragm creates bokeh that's among the best we've seen, sitting in the 98th percentile. Sharpness is a coin toss. Some copies are crisp in the center, but corners often fall apart, and chromatic aberration loves to crash the party. Autofocus is about average for a modern mirrorless lens—decent for stills, smooth enough for video, but if you've used a Sony GM you'll notice it's a beat slower. Optically, it's middle of the pack overall, and the complete lack of stabilization means you'll need steady hands or a tripod for slower shutter speeds.
Specifications
Full Specifications
Optics
| Type | Prime |
| Focal Length Min | 35 |
| Focal Length Max | 35 |
| Elements | 16 |
| Groups | 11 |
| Aspherical Elements | 1 |
| ED Elements | 1 |
| Coating | Protective Fluorine Coating |
Aperture
| Max Aperture | f/1.4 |
| Min Aperture | f/1.4 |
| Constant | Yes |
| Diaphragm Blades | 15 |
Build
| Mount | Nikon Z |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 0.5 kg / 1.1 lbs |
| Filter Thread | 62 |
AF & Stabilization
| AF Type | step motor |
| Stabilization | Yes |
Focus
| Min Focus Distance | 35 |
| Max Magnification | 1:7.14 |
vs Competition
Stacked against its pricier cousins, the Sirui's biggest rival is the Sony FE 35mm f/1.4 GM. That lens is sharper, faster to focus, and far more consistent, but it costs a fortune. The Sirui is the budget alternative that gets you in the ballpark, though you're playing a lottery. Among the other lenses in our database, the Tamron 28-300mm f/4-7.1 Di III VC VXD gives you a massive zoom range and stabilization, but can't touch the Sirui's subject isolation. The Sigma 18-50mm f/2.8 DC DN is a sharp, compact zoom for APS-C shooters, while the Panasonic Leica 12-35mm f/2.8 and Sony 18-135mm f/3.5-5.6 OSS are versatile zooms that trade the Sirui's bokeh for convenience. Nikon's 17-28mm f/2.8 is a wide-angle zoom, not a low-light specialist. If you're set on a fast 35mm prime and don't want to roll the dice, Sigma or Tamron's newer primes might be safer bets, but they'll cost more and lack this lens's full-frame f/1.4 for Nikon Z.
| Spec | Sirui Aurora 35mm F1.4 35mm | Tamron Di III VC 28-300mm f/4-7.1 VXD | Nikon NIKKOR 20059 | Sigma Art 17-40mm f/1.8 DC | Panasonic Leica DG Vario-Elmarit H-ES12035 | Sony E 18-135mm f/3.5-5.6 OSS |
|---|---|---|---|---|---|---|
| Focal Length | 35mm | 28-300mm | 18-55mm | 17-40mm | 12-35mm | 18-135mm |
| Max Aperture | f/1.4 | f/4 | f/3.5 | f/1.8 | f/2.8 | f/3.5 |
| Mount | Nikon Z | Sony E | Nikon F | Fujifilm X | Micro Four Thirds | Sony E |
| Stabilization | true | true | true | false | true | true |
| Weather Sealed | true | true | false | true | true | false |
| Weight (g) | 490 | 590 | 205 | 535 | 306 | 326 |
| AF Type | step motor | VXD linear motor | pulse stepping motor | HLA (High-response Linear Actuator) | Autofocus | Linear motor |
| Lens Type | prime | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Sirui Aurora 35mm F1.4 35mm | 54 | 99.5 | 70.9 | 97.2 | 80.4 | 97.5 | 2.2 | 33.2 | 15.7 | 79.4 |
| Tamron Di III VC 28-300mm f/4-7.1 VXD Compare | 97.7 | 83.6 | 63.1 | 83.2 | 96.3 | 70.9 | 92.3 | 97.9 | 50.8 | 79.4 |
| Nikon NIKKOR 20059 Compare | 84.8 | 81.4 | 83.7 | 95.4 | 54.6 | 82.8 | 65.7 | 82.9 | 86.2 | 92.3 |
| Sigma Art 17-40mm f/1.8 DC Compare | 54 | 97 | 67.1 | 72.3 | 96.7 | 95.3 | 98.3 | 75.8 | 94.1 | 34.4 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 54 | 86.6 | 83.9 | 49 | 86.2 | 88.3 | 92.3 | 80.5 | 86.2 | 96.4 |
| Sony E 18-135mm f/3.5-5.6 OSS Compare | 97.7 | 81.4 | 71 | 37.5 | 78 | 82.8 | 48 | 95.8 | 90.7 | 79.4 |
Price
Value & Pricing
Prices swing from $549 to $752 depending on where you look. At the low end, this lens is an absolute steal if you land a solid copy. But that's a big "if." The $200+ spread means you should definitely shop around and, more importantly, buy from a retailer that won't hassle you with returns. When it works, it delivers 90% of the Sony GM experience for half the cash. When it doesn't, it's a paperweight. For the risk-tolerant, it's a great value. For everyone else, the potential headache might not be worth the savings.
Amazon 1 offer From CA$968
Price History
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Overview
The Sirui Aurora 35mm f/1.4 is a full-frame prime that promises a lot for the money. You get a bright f/1.4 aperture, 13 diaphragm blades for some genuinely creamy bokeh, and a compact build that feels right at home on a Nikon Z or Fuji X body. On paper, it's the kind of lens that makes you wonder why you'd pay three times as much for a first-party option.
But here's the catch: Sirui's quality control is all over the place. Our data shows user sentiment sitting in the gutter at the 2nd percentile, and real buyers report everything from "tack sharp" to "shockingly bad." If you get a good copy, it's a steal. If not, you'll be staring at soft corners and wishing you'd bought from a store with a generous return policy.
Common Questions
Q: Is this lens actually weather sealed?
It has some dust and moisture resistance, but it's not fully weather sealed like a high-end Nikon or Sony lens, so don't treat it to a downpour.
Q: Will this work on my Fuji X-T5?
Yes, but since it's a full-frame lens you'll get a 52.5mm equivalent field of view, and you're carrying glass designed for a larger sensor you aren't fully using.
Q: How's the autofocus for video?
It's smooth and mostly silent, making it usable for video, but it's not as snappy as a Sony GM lens if you're pulling focus rapidly.
Who Should Skip This
Skip this lens if you need a reliable workhorse for paid gigs, or if corner-to-corner sharpness matters for your landscapes and architecture. The copy lottery is real, and a bad unit could ruin a shoot. If you can't stomach returns and test shots, look at first-party glass or a Tamron prime.
Verdict
This lens is for the budget-conscious shooter who's willing to test a copy thoroughly and isn't afraid to return it. If you land a good one, the bokeh and low-light chops are phenomenal for the price. The overall score has climbed to 69, which reflects that when this lens works, it really works. But if you're a pro who needs out-of-the-box reliability, or you shoot architecture and landscapes where corner sharpness is non-negotiable, keep looking. The Aurora is a high-risk, high-reward gamble, and for some folks, that's exactly the thrill they want.