Which camera is for you? Here is a quick overview and spec comparison of the Sony a7 III and the Canon EOS R.
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| Sony a7 III | Canon EOS RP | |
| Announced | Feb 27, 2018 | Sep 5, 2018 |
| Price (Body Only) * As of Jan 2019 | $1,999 USD | $2,299 USD |
| Body Type | SLR Style Mirrorless | SLR Style Mirrorless |
| Sensor Type | Full Frame Exmor R CMOS (35.6 x 23.8 mm) | Full Frame CMOS (36.0 x 24.0 mm) |
| Image Size (Pixels) | 6,000 x 4,000 | 6,720 x 4,480 |
| Effective Pixels | 24.2 megapixels | 30.3 megapixels |
| Image Stabilization | 5-Axis Image Sensor Shift | No |
| Lens Mount | Sony E mount | Canon RF mount |
| Focal Length Multiplier | x 1.0 | x 1.0 |
| ISO | 100 – 51,200 | 100 – 40,000 |
| File Format | JPEG RAW (14-bit) | JPEG RAW (14-bit) |
| Number of Focus Points | 693 | 5,655 |
| Screen Type | 3″ type TFT Tilt Screen (2.95″ wide type) | 3.15″ TFT Vari-Angle Screen (3:2 Aspect Ratio) |
| Touch Screen | Yes | Yes |
| Monitor Resolution (Dot) | 921,600 | 2,100,000 |
| Viewfinder Type | Electric | Electric |
| Viewfinder Resolution (Dot) | 2,359,296 | 3,690,400 |
| Shutter Speed | 1/8,000 sec – 30 sec | 1/8,000 sec – 30 sec |
| Continuous Shooting | 10 fps | 8 fps |
| Silent Shutter | Yes | Yes |
| Built-in Flash | No | No |
| Video Resolution | 4K: 3,840 x 2,160 (24/25/30p 100M) FHD: 1,920 x 1,080 (120p 100M) | 4K: 3,840 x 2,160 (23.98/24/25/29.97p 480M) FHD: 1,920 x 1,080 50/59.94p 180M) |
| Audio In (Mic) | Yes | Yes |
| Audio Out (Headphone) | Yes | Yes |
| Media Slot | Slot 1: SD Memory Card (UHS-I/II Compliant) Slot 2: Memory Stick Duo / SD/SDHC/SDXC Memory Card (UHS-I Compliant) | SD/SDHC/SDXC Memory Card (UHS-I/II Compliant) |
| Battery Type | NP-FZ100 | LP-E6N (or LP-E6) |
| Battery Life (Still Images) | 610 shots (Viewfinder) 710 shots (LCD Monitor) | 350 shots (at low temperatures ) 370 shots (at room temperature) |
| Battery Life (Movies) | 115 min (Viewfinder) 125 min (LCD Monitor) | 130 min (at low temperatures ) 140 min (at room temperature) |
| USB Charging * With the USB Power Adapter PD-E1, in-camera charging of LP-E6N is possible | Yes | Yes * |
| Dimensions | W = 126.9 mm H = 95.6 mm D = 73.7 mm | W = 135.8 mm H = 98.3 mm D = 84.4 mm |
| Weight | 565 g (Body only) 650 g (With battery & memory card) | 580 g (Body only) 660 g (With battery & memory card) |
| Timelapse Recording | Yes (With the upcoming firmware v3) | Yes (Built-in Feature) |
| Other Features | Real-time Eye AF & Real-Time Eye AF for Animals (With firmware v3) | EOS R System Adapters (Control Ring Mount, Drop in Filter Mount Adapter, Mount Adapter) |