Sony Alpha a7R IV Black 2019
Snapshot
Avantages et inconvénients
Pros
- Strong build (97th percentile) 97th
- Strong battery (96th percentile) 96th
- Strong connectivity (93th percentile) 93th
- Strong social proof (92th percentile) 92th
Cons
What owners think
L'évolution de l'avis des propriétaires dans le temps
ExclusivitéD'après la date à laquelle les clients ont rédigé leurs avis - pour voir si l'enthousiasme initial s'est confirmé.
D'après 96 avis clients datés, regroupés par trimestre civil. L'analyse par période est en anglais.
The proof
Performances
Caractéristiques techniques
Fiche technique complète
Sensor
| Type | 35.7 x 23.8 mm (Full-Frame) CMOS |
| Size | full-frame |
| Megapixels | 62.5 MP |
| ISO Range | 100 |
| Processor | BIONZ X |
Autofocus
| AF Points | 567 |
| AF Type | Automatic (A), Continuous-Servo AF (C), Direct Manual Focus (DMF |
| Eye AF | Yes |
| Animal AF | Yes |
| Subject Detection | Yes |
Shooting
| Burst (Mechanical) | 10 |
| Max Shutter | 1/8000 |
| Electronic Shutter | Yes |
Video
| Max Resolution | 4K |
| 4K FPS | 30 |
| 1080p FPS | 120 |
| 10-bit | Yes |
| Log Profile | Yes |
| RAW Video | Yes |
| Codec | H.264 |
Display & EVF
| Screen Size | 3" |
| Touchscreen | Yes |
| Articulating | No |
| EVF Resolution | 3.69 M dots |
Build
| Weather Sealed | Yes |
| Weight | 0.7 kg / 1.5 lbs |
| Battery Life | 670 |
Connectivity
| Wi-Fi | Yes |
| Bluetooth | Yes |
| USB | USB-C |
| HDMI | Micro HDMI |
| Hot Shoe | Yes |
Face à la concurrence
| Spec | Sony Alpha a7R IV | Canon EOS R6 Mark III R6 Mark III | Fujifilm X-H2 X-H2 | Nikon Z Z9 | Panasonic LUMIX GH7 GH7 | OM System OM-1 Mark II OM-1 Mark II |
|---|---|---|---|---|---|---|
| Type | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless | mirrorless |
| Sensor | 62.5MP full-frame | 32.5MP full-frame | 40.2MP aps-c | 45.7MP full-frame | 25.2MP micro-four-thirds | 20.4MP micro-four-thirds |
| AF Points | 567 | 1053 | 425 | 493 | 315 | 1053 |
| Burst FPS | 10 | 40 | 20 | 30 | 75 | 120 |
| Video | 4K @30fps | 6K @120fps | 8K @60fps | 8K @120fps | 5K @120fps | 4K @60fps |
| IBIS | true | true | true | true | true | true |
| Weather Sealed | true | true | true | true | true | true |
| Weight (g) | 662 | 609 | 579 | 1160 | 721 | 511 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Evf | Build | Burst | Video | Sensor | Battery | Display | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Sony Alpha a7R IV | 90.5 | 86.8 | 96.7 | 61.7 | 74.3 | 71.8 | 96.4 | 63.4 | 92 | 82.9 |
| Canon EOS R6 Mark III R6 Mark III Compare | 98.1 | 85.9 | 94.4 | 92.6 | 88.8 | 56.6 | 96.2 | 98.9 | 92 | 99.5 |
| Fujifilm X-H2 X-H2 Compare | 86.3 | 95 | 89.1 | 83.9 | 95 | 98.1 | 96.6 | 81.2 | 92 | 93 |
| Nikon Z Z9 Compare | 89 | 87.6 | 99.5 | 96 | 98.7 | 62.7 | 97.1 | 81.2 | 92 | 82.9 |
| Panasonic LUMIX GH7 GH7 Compare | 82.1 | 85.9 | 97.4 | 94.9 | 97.1 | 54.1 | 88.6 | 81.2 | 77.8 | 95.8 |
| OM System OM-1 Mark II OM-1 Mark II Compare | 98.1 | 88.4 | 88.5 | 99.7 | 83.6 | 38.2 | 93.9 | 81.2 | 76 | 99.5 |
Scores par usage
Un test complet arrive bientôt. Les caractéristiques, scores, prix et graphiques ci-dessus sont toujours à jour.