Which camera is for you? Here is a quick overview and spec comparison of the Panasonic S1 and the Sony a7III.
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| Panasonic S1 | Sony a7 III | |
| Announced | Feb 1, 2019 | Feb 27, 2018 |
| Price (Body Only) * as of Feb 2019 | $2,499 USD | $1,999 USD |
| Body Type | SLR Style Mirrorless | SLR Style Mirrorless |
| Sensor Type | Full Frame CMOS (35.6 mm x 23.8 mm) | Full Frame Exmor R CMOS (35.6 mm x 23.8 mm) |
| Image Size (Pixels) | 6,000 x 4,000 | 6,000 x 4,000 |
| Effective Pixels | 24.2 megapixels | 24.2 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 -51,200 | 100 -51,200 |
| File Format | JPEG RAW (14-bit) | JPEG RAW (14-bit) |
| Number of Focus Points * Focus Area | 225 * | 693 |
| Screen Type | 3.2″ TFT Triaxial Tilt Screen (3:2 Aspect) | 3″ type TFT Tilt Screen (2.95″ Wide Type) |
| Touch Screen | Yes | Yes |
| Monitor Resolution (Dot) | 2,100,000 | 921,600 |
| Viewfinder Type | Electric | Electric |
| Viewfinder Resolution (Dot) | 5,760,000 | 2,359,296 |
| Shutter Speed * Mechanical Shutter | 1/8,000 to 60 sec * | 1/8,000 to 30 sec |
| Continuous Shooting * AFS/MF: Burst speed – Mechanical Shutter / Electronic Front Curtain Shutter | 9 fps * | 10 fps |
| Silent Shutter | Yes | Yes |
| Built-in Flash | No | No |
| Video Resolution *24/20/120p: NTSC *25/100p: PAL | 4K: 3,840 x 2,160 (50/59.94p 150M, 23.98/25/29.97p 100M) FHD: 1,920 x 1,080 (25/29.97p, 50/59.94p 20, 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-R24-105 and SD Memory Card | 380 shots* (Viewfinder) 400 shots* (LCD Monitor) | 610 shots (Viewfinder) 710 shots (LCD Monitor) |
| Battery Life (Movies) * When using S-R24-105 and SD Memory Card | 70 min* (Viewfinder) 75 min* (LCD Monitor) | 115 min (Viewfinder) 125 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 | 899 g (Body only) 1,017 g (With battery & memory card) | 565 g (Body only) 650 g (With battery & memory card) |
| Timelapse Recording | Yes (Built-in Feature) | Yes (With the Upcoming Firmware V3) |
| Other Features | 10-bit HLG Built-in High Resolution Mode (96MP High Resolution Mode) | Real-Time Eye AF, Real-Time Eye AF for Animals (with Firmware V3) |