Canon EOS R5666C002 Black
Canon
69 Overall Score
vs
Sony Alpha a1 II
Sony
98 Overall Score
What Buyers Say
Canon EOS R5666C002 Black
No customer feedback yet
Sony Alpha a1 II
85 out of 100 high confidence 58 reviews
The Sony A1 II is widely praised for its exceptional autofocus, pre-capture feature, and improved ergonomics, making it a top choice for wildlife and action photographers. Users highlight the AI-driven subject tracking, enhanced IBIS, and versatile button customization as standout upgrades over the original A1. However, some express disappointment with the unchanged hot shoe cover that can cause lockups, the lack of RAW support in certain editors, and the high price point. Overall, it is considered a significant but costly improvement for those who demand the best.
Pros
- Exceptional autofocus
- Pre-capture feature
- Improved ergonomics
- AI subject tracking
- Enhanced IBIS
Cons
- Unchanged hot shoe cover
- Lack of RAW support in some editors
- High price
- EVF resolution drop during AF
- Single SD card slot limitation
Autofocus performance 12
Pre capture feature 8
Ergonomics and build 10
Image quality 9
Price value 6
Hot shoe cover issue 2
Scores
Beginner
Video
Wedding Events
Photography
Product Photography
Sports Wildlife
Youtube
Streaming
Vlogging
Travel
Specifications
| Canon EOS R5666C002 | Sony Alpha a1 II | |
|---|---|---|
| Sensor | ||
| Type | CMOS | BSI CMOS |
| Size | full-frame | full-frame |
| Megapixels | 24.200000762939453 MP | 50 MP★ |
| ISO Range | 100 | 100 |
| Processor | DIGIC X | BIONZ XR |
| Autofocus | ||
| AF Points | ||
| AF Type | — | Phase Detection: 759 |
| Eye AF | ✓ | ✓ |
| Animal AF | ✓ | ✓ |
| Subject Detection | ✓ | ✓ |
| Shooting | ||
| Burst (Mechanical) | 40 fps★ | 30 fps |
| Burst (Electronic) | — | 30 fps★ |
| Max Shutter | — | 1/32000 |
| Electronic Shutter | ✓ | ✓ |
| Video | ||
| Max Resolution | 4K | 8K★ |
| 4K FPS | 60 fps | 120 fps★ |
| 1080p FPS | 180 fps | 240 fps★ |
| 10-bit | ✓ | ✓ |
| Log Profile | ✓ | ✓ |
| RAW Video | — | ✓★ |
| Codec | H.264, H.265 | ProRes RAW |
| Display & EVF | ||
| Screen Size | 3" | 3.2"★ |
| Touchscreen | ✓ | ✓ |
| Articulating | ✓ | ✓ |
| EVF Resolution | — | 9.4M dots★ |
| Build | ||
| Weather Sealed | ✗ | ✓★ |
| Weight | 0.59 kg★ | 0.66 kg |
| Battery Life | — | 420 shots★ |
| Connectivity | ||
| Wi-Fi | ✓ | ✓ |
| Bluetooth | ✓ | ✓ |
| USB | USB-C | USB-C |
| HDMI | Micro HDMI Type D★ | HDMI Output |
| Hot Shoe | ✓ | ✓ |
Pros & Cons
Canon EOS R5666C002 Black
- Strong af (99th percentile)99th %ile
- Strong connectivity (96th percentile)96th %ile
- Strong stabilization (95th percentile)95th %ile
- Strong burst (90th percentile)90th %ile
Sony Alpha a1 II
- Strong display (100th percentile)100th %ile
- Strong stabilization (100th percentile)100th %ile
- Strong video (99th percentile)99th %ile
- Strong evf (99th percentile)99th %ile
Pricing
Canon EOS R5666C002 Black0.040score per dollar
vs
Sony Alpha a1 II0.016score per dollar
Canon EOS R5666C002 Black offers 2.5x better value for money
Verdict
Winner: Sony Alpha a1 II
Scores 98 overall, wins 10 of 10 usage categories and 10 of 33 specs.
