Which camera is for you? Here is a quick overview and spec comparison of the Panasonic S1R and the Sony a7RIII.
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| Panasonic S1R | Sony a7R III | |
| Announced | Feb 1, 2019 | Oct 25, 2017 |
| Price (Body Only) * as of Feb 2019 | $3,699 USD | $3,199 USD |
| Body Type | SLR Mirrorless | SLR Mirrorless |
| Sensor Type | Full Frame CMOS (36.0 x 24.0 mm) | Full Frame Exmor R CMOS (35.9 x 24.0 mm) |
| Image Size (Pixels) | 8,368 x 5,584 | 7,952 x 5,304 |
| Effective Pixels | 47.3 megapixels | 42.4 megapixels |
| Image Stabilization | 5-axis image sensor shift | 5-axis image sensor shift |
| Lens Mount | L mount | Sony E mount |
| Focal Length Multiplier | x 1.0 | x 1.0 |
| ISO | 100 -25,600 | 100 – 32,000 |
| File Format | JPEG RAW (14-bit) | JPEG RAW (14-bit) |
| Number of Focus Points * Focus Area | 225* | 399 |
| Screen Type | 3.2″ TFT Triaxial Tilt Screen (3:2 Aspect Ratio) | 3″ type TFT Tilt Screen (2.95″ wide type) |
| Touch Screen | Yes | Yes |
| Monitor Resolution (Dot) | 2,100,000 | 1,440,000 |
| Viewfinder Type | Electric | Electric |
| Viewfinder Resolution (Dot) | 5,760,000 | 3,686,400 |
| Shutter Speed | 1/8,000 sec to 60 sec | 1/8,000 sec to 30 sec |
| Continuous Shooting | 9 fps | 10 fps |
| Silent Shutter | Yes | Yes |
| Built-in Flash | No | No |
| Video Resolution | 4K: 3,840 x 2,160 (23.98/25/29.97p 100M, 50/59.94p 150M) FHD: 1,920 x 1,080 (25/29.97p 20M, 50/59.94p 28M) | 4K: 3,840 x 2,160 (24/25/30p 100M) FHD: 1,920 x 1,080 (120p 100M) |
| Audio In (Microphone) | Yes | Yes |
| Audio Out (Headphone) | Yes | Yes |
| Media Slot | Slot 1: XQD Memory Card Slot 2: SD/SDHC/SDXC Memory Card (UHS-I/II Compliant) | Slot 1: SD/SDHC/SDXC Memory Card (UHS-I/II Compliant) Slot 2: Memory Stick Duo / SD/SDHC/SDXC Memory Card (UHS-I Compliant) |
| Battery Type | DMW-BLJ31 | NP-FZ100 |
| Battery Life (Still Images) * When using S-R24105 and SD Memory Card | 360 shots* (Viewfinder) 380 shots* (LCD Monitor) | 530 shots (Viewfinder) 650 shots (LCD Monitor) |
| Battery Life (Movies) * When using S-R24105 and SD Memory Card | 70 min* (Viewfinder) 75 min* (LCD Monitor) | 100 min (Viewfinder) 115 min (LCD Monitor) |
| USB Charging | Yes | Yes |
| Dimensions | W = 148.9 mm H = 110.0 mm D = 96.7 mm | W = 126.9 mm H = 95.6 mm D = 73.7 mm |
| Weight | 898 g (Body only) 1,016 g (With battery & memory card) | 572 g (Body only) 657 g (With battery & memory card) |
| Timelapse Recording | Yes (Built-in Feature) | Yes (With the upcoming firmware v3) |
| Other Features | HLG Photo Mode, High Resolution Mode (187MP High Resolution Mode) | Real-time Eye AF & Real-Time Eye AF for Animals (With firmware v3), High Resolution Mode (169.6MP) |