Sony Alpha A1 2021
A 50.1MP full-frame stacked sensor, 30fps electronic burst, and 8K 30p video deliver both extreme resolution and speed in a single body. Its 9.44M‑dot EVF with a 240fps refresh rate and 759-point phase‑detect AF with Real‑time Eye AF provide a virtually lag‑free view ideal for tracking fast subjects. This camera is best for sports and wildlife shooters who require high‑resolution stills, rapid continuous shooting, and reliable subject detection without compromise.
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概要
The 30-Second Version
The Sony A1 has the best EVF we've ever tested, a 100th percentile 9.44M-dot panel with 240fps refresh. It shoots 30fps bursts with 759-point AF and 8K video. But build quality is dead last at the 1st percentile, and at $5,120 it's a hard pill to swallow.
Pros & Cons
長所
- 9.44M-dot EVF with 240fps refresh is the best we've ever tested, 100th percentile 100th
- 759-point AF with Real-time Eye AF ranks in the 95th percentile 95th
- 30fps electronic burst with full AF is well above average 82nd
- 8K 30p and 4K 120p video in 10-bit with RAW output 79th
- 50.1MP full-frame sensor with ISO 50-102400 range
短所
- Build quality ranks dead last at the 1st percentile
- Display is mediocre, 30th percentile
- Battery life is about average at best, 47th percentile
- Social proof is weak, only 4 reviews and a 14th percentile ranking
- At $5,120 it's in the bottom 10% for affordability
実証データ
Performance
The burst rate is the headline act. 30fps electronic shutter with full AF and AE is absurd, and it lands in the 83rd percentile, well above average. The mechanical shutter still manages 10fps, which is nothing to sneeze at. Pair that with the 759-point AF system and you've got a camera that simply does not miss. The autofocus is one of the best on the market, and the subject detection means it'll lock onto a bird's eye before you've even found it in the frame.
Video is strong too. 8K 30p, 4K at 120fps, 10-bit internal, and 4.3K 16-bit RAW output over HDMI. That's a leading video feature set, sitting in the 78th percentile. The sensor itself is solid, a 50.1MP BSI-CMOS that lands in the 75th percentile. It's not the absolute best sensor we've tested, but it's plenty sharp and the ISO range of 50-102400 gives you room to work in bad light. The stabilization is also strong, well above average at the 79th percentile.
Specifications
Full Specifications
Sensor
| Type | BSI-CMOS |
| Size | full-frame |
| Megapixels | 50.1 MP |
| ISO Range | 50 |
| Processor | BIONZ XR |
Autofocus
| AF Points | 759 |
| Eye AF | Yes |
| Subject Detection | Yes |
Shooting
| Burst (Mechanical) | 10 |
| Burst (Electronic) | 30 |
| Electronic Shutter | Yes |
Video
| Max Resolution | 8K |
| 4K FPS | 120 |
| 1080p FPS | 240 |
| 10-bit | Yes |
| Log Profile | Yes |
| RAW Video | Yes |
| Codec | XAVC HS, XAVC S-I |
Display & EVF
| EVF Resolution | 9.44 M dots |
Build
| Weather Sealed | No |
| Weight | 0.1 kg / 0.2 lbs |
Connectivity
| Wi-Fi | Yes |
| USB | 1000BASE-T Ethernet |
| HDMI | HDMI Type A |
vs Competition
Against the Nikon Z9, the A1 is lighter and has a higher resolution EVF, but the Z9's build quality and battery life are in a different league. The Canon EOS R1 brings better ergonomics and durability, though it can't match the A1's 30fps electronic burst. The Panasonic S1RII offers comparable video specs at a lower price point, and the OM System OM-1 Mark II is a better choice for wildlife shooters who want weather sealing and a smaller body. The Fujifilm X100VI isn't really a direct competitor, it's a fixed-lens compact, but it does highlight how much you're paying for the A1's versatility. The A1 wins on raw speed and EVF quality, but it loses on build, battery, and price.
| Spec | Sony Alpha A1 | Fujifilm X-H2 | Nikon Z Z9 | Panasonic Lumix G G9 II | Canon EOS R6 Mark III | OM System OM-1 Mark II |
|---|---|---|---|---|---|---|
| Type | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless |
| Sensor | 50.1MP full-frame | 40.2MP aps-c | 45.7MP full-frame | 25.2MP micro-four-thirds | 32.5MP full-frame | 20.4MP micro-four-thirds |
| AF Points | 759 | 425 | 493 | 779 | 1053 | 1053 |
| Burst FPS | 10 | 15 | 30 | 75 | 40 | 120 |
| Video | 8K @120fps | 8K @60fps | 8K @120fps | 4K @120fps | 8K @120fps | 4K @60fps |
| IBIS | true | true | true | true | true | true |
| Weather Sealed | false | true | true | true | true | true |
| Weight (g) | 113 | 579 | 1160 | 575 | 608 | 511 |
| Compare | Compare | Compare | Compare | Compare |
| 製品 | AF | EVF | Build | Burst | Video | Sensor | Battery | Display | Connectivity | ユーザー評価 | Affordability | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sony Alpha A1 | 95.1 | 99.5 | 1.2 | 82.2 | 78.1 | 74.7 | 47 | 29.5 | 62.6 | 14.6 | 10 | 78.7 |
| Fujifilm X-H2 Compare | 92.3 | 96.9 | 94.5 | 82.2 | 95.4 | 98.9 | 97.8 | 87.6 | 96.1 | 94.2 | 24 | 96 |
| Nikon Z Z9 Compare | 93.5 | 92 | 99.4 | 95.4 | 98.7 | 70.8 | 98.1 | 87.6 | 96.1 | 94.2 | 8.7 | 89.1 |
| Panasonic Lumix G G9 II Compare | 98 | 91.7 | 94.4 | 96.2 | 97.6 | 63.8 | 91.9 | 87.6 | 96.1 | 89.6 | 22 | 89.1 |
| Canon EOS R6 Mark III Compare | 98.8 | 91.3 | 95 | 92.6 | 90.5 | 66.1 | 97.5 | 98.8 | 96.1 | 94.2 | 14.6 | 99.6 |
| OM System OM-1 Mark II Compare | 98.8 | 99.8 | 91.5 | 99.6 | 85.1 | 51.6 | 96 | 87.6 | 96.1 | 89.6 | 17.6 | 99.6 |
価格
Value & Pricing
At $5,120 USD for the body only, the A1 is a tough sell on pure value. It sits in the 10th percentile for affordability, which means almost every other camera in our database gives you more bang for your buck. The single US listing at that price doesn't help. You're paying for the EVF, the burst rate, and the 8K video, but you're also paying for a camera with a 1st percentile build quality and a mediocre display. If you need the speed and resolution together, there's nothing else quite like it. If you don't, you're leaving a lot of money on the table.
詳細情報
Overview
The Sony Alpha A1 is a spec sheet fever dream. A 50.1MP full-frame sensor that can also rip 30fps bursts with full autofocus, shoot 8K video, and feed a 9.44M-dot EVF at 240fps. That EVF sits at the 100th percentile in our database, the absolute best right now. The autofocus system with 759 points and Real-time Eye AF is right behind it, a standout among every camera we've tested. On paper, this thing does everything.
But the data also shows the cracks. Build quality lands at the 1st percentile, dead last among its peers. The display is mediocre, battery life is about average, and the price tag of $5,120 puts it in the bottom 10% for affordability. You're paying flagship money for a camera that, according to our numbers, doesn't feel like a flagship in your hands.
Common Questions
Q: Is the Sony A1 good for sports and wildlife photography?
Yes, the 30fps electronic burst with full autofocus is well above average, and the 759-point AF system with Real-time Eye AF ranks in the 95th percentile. The 50.1MP sensor gives you room to crop, which helps when you can't get close. Just be aware the battery life is only about average, so bring spares for a long day of shooting.
Q: How does the A1's video compare to other flagship cameras?
The A1 shoots 8K 30p and 4K 120p in 10-bit, plus 4.3K 16-bit RAW over HDMI. That puts it in the 78th percentile for video, a strong showing. The Panasonic S1RII offers similar specs at a lower price, but the A1's combination of video and stills speed is hard to beat.
Q: Is the Sony A1 worth the $5,120 price tag?
That depends on what you need. The A1 sits in the 10th percentile for affordability, so it's one of the most expensive cameras in our database. You're paying for the 100th percentile EVF, the 30fps burst, and 8K video. But the build quality is the 1st percentile, which is a serious concern at this price. If you need the speed and resolution together, it's worth it. If not, there are better values out there.
Who Should Skip This
Skip the A1 if you shoot in rough conditions or need a camera that can take a beating. The 1st percentile build quality is a real problem, and there's no weather sealing to speak of. Battery life is also just average at the 47th percentile, so long shoots without access to power will be frustrating. And if you're a vlogger, this is the wrong tool entirely, vlogging is its weakest area at 37.6 out of 100. The display is mediocre and the price is brutal for that use case.
Verdict
The Sony Alpha A1 is a technical marvel with a serious identity crisis. It delivers best-in-class EVF performance and autofocus that's among the best we've tested, plus a burst rate that'll make sports shooters grin. But the 1st percentile build quality is a real problem for a $5,120 camera. If you're a professional who needs 30fps and 8K in one body and you're willing to baby it, this is the tool for you. If you want a camera that feels like it costs five grand, look elsewhere.
Usage Scores
- 総合47.1
- Video53.5
- Travel37.8
- Youtube40.7
- Beginner38.9
- Vlogging37.7
- Streaming49.4
- Photography58.7
- Wedding Events50.6
- Sports Wildlife53.8
- Product Photography52.1