In depth comparison and review of Sony Alpha7 IV ILCE-7M4 and Panasonic Lumix DC-S1. Compare design, sensors, proximity features, memory capacities and other important specifications and features to easily choose the right camera for you. Our goal is to help you uncover differences between the products and find the digital camera that will best fit your needs.
| DESIGN AND DIMENSIONS | Sony Alpha7 IV ILCE-7M4 | Panasonic Lumix DC-S1 |
|---|
| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 6K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.64 cm | 11 cm |
| Width | 13.13 cm | 14.89 cm |
| Depth | 7.98 cm | 9.67 cm |
| Weight | 658 g | 899 g |
| Weight Details | Camera with battery and memory card: 658 g | Camera body only: 899 g Camera with battery and memory card: 1.02 kg |
| Body Material | Magnesium alloy | - |
| Protection | Dust-resistant, moisture-resistant | Dust-resistant, splash-resistant |
| Digital Zoom | 4x | - |
| SENSOR | Sony Alpha7 IV ILCE-7M4 | Panasonic Lumix DC-S1 |
|---|
| Sensor Resolution | 33.0 Megapixel | 24.2 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor R CMOS | CMOS |
| Total Pixels | 34,100,000 pixels | 25,280,000 pixels |
| Effective Sensor Resolution | 33,000,000 pixels | 24,200,000 pixels |
| Optical Sensor Size | Full Frame (35.9 x 23.9 mm) | Full Frame (35.6 x 23.8 mm) |
| Frame Rate (Max Resolution) | 60 fps | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), Anti-Dust coating | Supersonic Wave Filter (SWF) |
| Image Stabiliser | Optical (Steady Shot with 5-axis Intelligent Active Mode) | Optical (5-Axis Dual I.S. 2.0) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Digital level metre | - |
| PROCESSOR | Sony Alpha7 IV ILCE-7M4 | Panasonic Lumix DC-S1 |
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| Image Processor | BIONZ XR | Venus Engine |
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| LENS | Sony Alpha7 IV ILCE-7M4 | Panasonic Lumix DC-S1 |
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| Lens Mounting Type | Sony E-mount | L-Mount |
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| FOCUSING | Sony Alpha7 IV ILCE-7M4 | Panasonic Lumix DC-S1 |
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| Auto Focus | TTL contrast and phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 759 | 225 |
| Auto Focus Features | Focus Peaking function, Predictive Focus Control | Focus Peaking function, Depth From Defocus (DFD) technology, Advanced Recognition technology |
| AE/AF Control | Face-priority AF, Subject-tracking AF, Touch Area AF, Zone AF, Real-time Eye AF, Real-time Tracking AF, Wide-area AF, Expanded area AF, animal eye detection, bird eye detection, right/left eye select | Face-priority AF, Subject-tracking AF, Touch Area AF, Eye detection AF, Predictive AI Servo AF |
| Face Detection | Eye Detect AF, face-priority AF function | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Sony Alpha7 IV ILCE-7M4 | Panasonic Lumix DC-S1 |
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| Viewfinder Type | Electronic - OLED | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | 0.5" | - |
| Viewfinder Resolution | 3,686,400 pixels | 5,760,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.78x | 0.78x |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | -4 to +2 |
| Field of View Crop Factor | - | 1.0 |
| Features | - | Auto eye sensor, magnification ratio control |
| EXPOSURE & WHITE BALANCE | Sony Alpha7 IV ILCE-7M4 | Panasonic Lumix DC-S1 |
|---|
| ISO (Max) | 204800 | 51200 |
|---|---|---|
| Native ISO | 100-51200 | 100-51200 |
| Extended ISO (Max) | 204800 | 204800 |
| Extended ISO (Min) | 50 | 50 |
| Light Sensitivity | ISO 50, ISO auto, ISO 204800, ISO 100-51200 | ISO 50, ISO auto, ISO 102400, ISO 204800, ISO 100-51200 |
| Exposure Metering | Multi-segment, centre-weighted, average, highlight spot | Multi-segment, centre-weighted, spot, highlight weighted |
| Exposure Metering Zones | 1200 | 1728 |
| Exposure Modes | Automatic, manual, aperture-priority, shutter-priority | Programme, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Dynamic Range Bracketing, white balance bracketing | Focus bracketing, white balance bracketing, aperture bracketing |
| Special Effects | Soft Skin, Creative Look presets | Sepia, Vivid, soft focus, natural, monochrome, Flat, landscape, portrait, miniature, Cross Process, Retro, Expressive, high dynamic, Bleach Bypass, High Key, Low Key, Toy effect, Star Filter, Impressive Art, One Point Colour, Dynamic Monochrome, Sunshine, Old Days, Toy Pop, Fantasy, Rough Monochrome, Silky Monochrome, Standard, L. Monochrome, L. Monochrome D, Cinelike D, Cinelike V, L. Classic Neo, L. Monochrome S, Like709, V-Log, Like2100 (HLG) |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K | Incandescent, cloudy, Flash, daylight, shade, 2500K - 10000K (100K steps) |
| Shutter Type | Mechanical electronically-controlled | Mechanical, electronic |
| Max Shutter Speed | 1/8000 sec | 1/16000 sec |
| Min Shutter Speed | 30 sec | 60 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±5 EV range, in 1/3 EV steps |
| Auto Exposure Bracketing | 3, 5 or 9 steps | 3, 5, 7 steps in 1/3, 2/3 or 1 EV steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/250sec | 1/320 sec |
| Exposure Range | EV -3-20 (ISO 100) | EV 0-18 (ISO 100) |
| DISPLAY | Sony Alpha7 IV ILCE-7M4 | Panasonic Lumix DC-S1 |
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| Type | 3" LCD display | 3.2" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,036,000 pixels | 2,100,000 pixels |
| Display Form Factor | Folding | Tilting (3-way) |
| Display Features | Display brightness control | - |
| FLASH | Sony Alpha7 IV ILCE-7M4 | Panasonic Lumix DC-S1 |
|---|
| Camera Flash | - | External flash |
|---|---|---|
| Flash Modes | - | Auto mode, red-eye reduction, forced, slow sync |
| Red-Eye Reduction | - | Yes |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha7 IV ILCE-7M4 | Panasonic Lumix DC-S1 |
|---|
| Digital Video Format | MPEG-4, H.264, XAVC S, H.265, XAVC HS | - |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG, HEIF, RAW + HEIF | JPEG, RAW, HLG Photo |
| Max Video Resolution | 3840 x 2160 | 5184 x 3456 |
| Audio Signal Format | Linear PCM, AAC | Dolby Digital AC-3 (2 channel), Linear PCM, AAC |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Wind noise reduction | Wind noise reduction |
| MEMORY | Sony Alpha7 IV ILCE-7M4 | Panasonic Lumix DC-S1 |
|---|
| Memory Card Slot | SD card, CFexpress / SD card | SD card, XQD Memory card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card, CFexpress | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, XQD Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card, CFexpress |
| Memory Card Included | - | No |
| Image Storage | 7008 x 4672 4608 x 3072 3504 x 2336 4608 x 3072 - APS-C mode 3504 x 2336 - APS-C mode 6224 x 4672 4096 x 3072 3120 x 2336 4096 x 3072 - APS-C mode 3120 x 2336 - APS-C mode 7008 x 3944 4608 x 2592 3504 x 1968 4608 x 2592 - APS-C mode 3504 x 1968 - APS-C mode 4672 x 4672 3072 x 3072 2336 x 2336 3072 x 3072 - APS-C mode 2336 x 2336 - APS-C mode |
6000 x 4000 4272 x 2848 3024 x 2016 12000 x 8000 - High Resolution Mode 5328 x 4000 RAW 3792 x 2848 2688 x 2016 RAW 10656 x 8000 - High Resolution Mode 4000 x 4000 2848 x 2848 2016 x 2016 RAW 8000 x 8000 - High Resolution Mode 6000 x 3000 6000 x 2208 |
| Video Capture | XAVC HS - 3840 x 2160 p - 60 fps XAVC HS - 3840 x 2160 p - 24 fps XAVC HS - 3840 x 2160 p - 50 fps XAVC S - 3840 x 2160 p - 60 fps XAVC S - 3840 x 2160 p - 30 fps XAVC S - 3840 x 2160 p - 24 fps XAVC S - 3840 x 2160 p - 50 fps XAVC S - 3840 x 2160 p - 25 fps XAVC S - 1920 x 1080 p - 60 fps XAVC S - 1920 x 1080 p - 30 fps XAVC S - 1920 x 1080 p - 24 fps XAVC S - 1920 x 1080 p - 50 fps XAVC S - 1920 x 1080 p - 25 fps |
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| BATTERY AND CHARGING | Sony Alpha7 IV ILCE-7M4 | Panasonic Lumix DC-S1 |
|---|
| Battery Type | Sony NP-FZ100 Lithium Ion | Lithium Ion - manufacturer-specific |
|---|---|---|
| Details | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) | Li-ion rechargeable battery - 3050 mAh (included) |
| Battery Life | Photo shooting - 520 shots (EVF on) Photo shooting - 580 shots (LCD Monitor on) Video recording - 100 minutes (EVF on) Video recording - 110 minutes (LCD Monitor on) |
Photo shooting - 380 shots (LCD Monitor on) Photo shooting - 360 shots (EVF on) Photo shooting - 1100 shots (Power Save LVF Shooting mode) |
| CONNECTIONS | Sony Alpha7 IV ILCE-7M4 | Panasonic Lumix DC-S1 |
|---|
| Interface | USB 2.0, USB-C, IEEE 802.11a/b/g/n/ac, Bluetooth 4.1 | HDMI, USB 3.1, IEEE 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view, Wireless Image Transfer, wireless video upload to FTP server, PC Remote functions via Wi-Fi | - |
| Print Standard | Exif Print support, PRINT Image Matching | Direct print, Exif Print support, PictBridge support |
| Flash Terminal | Hot shoe | Hot shoe, PC terminal |
| Connector Type | USB 2.0 (5 pin Micro-USB Type B) USB 3.2 Gen 1 (USB Type-C) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
USB 3.1 Gen 1 (USB Type-C) HDMI output (19 pin HDMI Type A) Microphone (mini-phone 3.5mm) Remote control (sub-mini phone 2.5 mm) Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Sony Alpha7 IV ILCE-7M4 | Panasonic Lumix DC-S1 |
|---|
| Self-Timer Delay | 10 sec, 2sec, 5 sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second | 2 frames per second, 5 frames per second, 9 frames per second, 30 frames per second, 6 frames per second, 60 frames per second |
| Additional Features | Built-in speaker, camera orientation detection, histogram display, shadow point display, highlight point display, Dynamic Range Optimizer, USB charging, Intelligent AUTO (iAUTO), fast motion recording, noise reduction over long exposures, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, distortion correction function, S-Log2 gamma setting, slow motion recording, peripheral shading correction, chromatic aberration correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting, 4:2:2 10-bit internal rercording, simultaneous streaming & recording mode, focus breathing compensation, USB streaming, 14-bit RAW | Audio recording, date/time stamp, USB powered, USB charging, Light Speed AF, primary colour filter, Focus Stacking, Post Focus function, Touch AE function, white balance shift |
| OTHERS | Sony Alpha7 IV ILCE-7M4 | Panasonic Lumix DC-S1 |
|---|
| Included Accessories | Eyepiece cover, body cap, shoulder strap, AC power adaptor, shoe cap, USB-C to USB-A cable | Battery charger, body cap, shoulder strap, AC power adaptor, battery grip terminal cover, cable holder, hot shoe cover, USB-C cable, USB-C to USB-A cable, flash synchro socket cap |
|---|---|---|
| Software | - | SILKYPIX Developer Studio, LUMIX Tether, Panasonic PHOTOfunSTUDIO 10.1 Premium Edition |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | -10 °C |
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