In depth comparison and review of Sigma SD Quattro + 30mm F1.4 DC HSM | Art and Sony Alpha7s III ILCE-7SM3. 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 | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7s III ILCE-7SM3 |
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| Product Type | Digital camera - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | 30mm F1.4 DC HSM | Art lens | Body only |
| Height | 9.51 cm | 9.69 cm |
| Width | 14.7 cm | 12.89 cm |
| Depth | 9.08 cm | 8.08 cm |
| Weight | 625 g | 699 g |
| Weight Details | - | Camera with battery and memory card: 699 g |
| Body Material | Magnesium alloy | Magnesium alloy |
| Protection | Splashproof, dust-resistant | Dust-resistant, moisture-resistant |
| Digital Zoom | - | 4x |
| SENSOR | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7s III ILCE-7SM3 |
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| Sensor Resolution | 29.5 Megapixel | 12.1 Megapixel |
|---|---|---|
| Optical Sensor Type | X3 CMOS | Exmor R CMOS |
| Total Pixels | 33,200,000 pixels | 12,900,000 pixels |
| Effective Sensor Resolution | 29,500,000 pixels | 12,100,000 pixels |
| Optical Sensor Size | APS-C (23.4 x 15.5 mm) | Full Frame (35.6 x 23.8 mm) |
| Frame Rate (Max Resolution) | - | 120 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | - | Dust Reduction (image sensor vibration), Anti-Dust coating |
| Image Stabiliser | - | Optical (5-axis Steady Shot) |
| Built-in Optical Image Stabiliser | - | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7s III ILCE-7SM3 |
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| Image Processor | - | BIONZ XR |
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| LENS | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7s III ILCE-7SM3 |
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| Type | 30 f/1.4 DC HSM | Art | - |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | 45mm | - |
| Focus Adjustment | Automatic, manual | - |
| Min Focus Distance | 30 cm | - |
| Max View Angle | 50.7 degree(s) | - |
| Lens Construction | 8 groups / 9 elements | - |
| Filter Size | 62 mm | - |
| Lens Mounting Type | Sigma SA | Sony E-mount |
| Features | Full-time manual focusing, rear focusing system, Hyper Sonic Motor (HSM), aspherical lens, Sigma USB dock compatible | - |
| FOCUSING | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7s III ILCE-7SM3 |
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| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 9 | 759 |
| Auto Focus Features | - | Focus Peaking function, Predictive Focus Control |
| AE/AF Control | - | Flex Focus Point, Face-priority AF, Subject-tracking AF, Eye detection AF |
| Face Detection | Face-priority AF function | Face Recognition, face-priority AF function |
| VIEWFINDER | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7s III ILCE-7SM3 |
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| Viewfinder Type | Electronic - LCD | Built-in - electronic |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | - | 0.64" |
| Viewfinder Resolution | 2,360,000 pixels | 9,437,184 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 1.1x | 0.9x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -4 to +3 |
| Field of View Crop Factor | 1.5 | - |
| EXPOSURE & WHITE BALANCE | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7s III ILCE-7SM3 |
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| ISO (Max) | - | 409600 |
|---|---|---|
| Native ISO | 100-6400 | - |
| Extended ISO (Max) | - | 409600 |
| Extended ISO (Min) | - | 40 |
| Light Sensitivity | - | ISO 204800, ISO 409600, ISO 80-102400, ISO 40 |
| Exposure Metering | Evaluative, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | - | 1200 |
| Exposure Modes | Programme, automatic, manual, aperture-priority, shutter-priority | Bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Dynamic Range Bracketing |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | - | Incandescent, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K |
| Shutter Type | Mechanical electronically-controlled | Mechanical electronically-controlled |
| Max Shutter Speed | 1/4000 sec | 1/8000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1/3 EV steps | ±5 EV range, in 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | - | 3, 5 or 9 steps |
| X-sync Speed | 1/180 sec | 1/250sec |
| Exposure Range | EV 0-17 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7s III ILCE-7SM3 |
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| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,620,000 pixels | 1,440,000 pixels |
| Display Form Factor | Built-in | Folding |
| Display Features | - | Display brightness control |
| VIDEOGRAPHY / CAMCORDER | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7s III ILCE-7SM3 |
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| Digital Video Format | - | H.264, XAVC S, H.265, XAVC HS |
|---|---|---|
| Image Recording Format | JPEG, RAW | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | - | 3840 x 2160 |
| Audio Signal Format | - | AAC |
| Microphone Operation Mode | - | Stereo |
| MEMORY | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7s III ILCE-7SM3 |
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| Memory Card Slot | SD card | Dual SD card, dual CFexpress |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card | 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 |
| Memory Card Included | No | No |
| Image Storage | 5440 x 3616 2720 x 1808 |
JPEG 4240 x 2832 JPEG 2768 x 1848 JPEG 2128 x 1416 JPEG 1376 x 920 JPEG 3776 x 2832 JPEG 2464 x 1848 JPEG 1888 x 1416 JPEG 1232 x 920 JPEG 4240 x 2348 JPEG 2768 x 1550 JPEG 2128 x 1200 JPEG 1376 x 776 JPEG 2832 x 2832 JPEG 1840 x 1840 JPEG 1408 x 1408 JPEG 912 x 912 |
| Video Capture | - | XAVC HS - 3840 x 2160 p - 120 fps XAVC HS - 3840 x 2160 p - 60 fps XAVC HS - 3840 x 2160 p - 100 fps - 200Mbps XAVC HS - 3840 x 2160 p - 50 fps XAVC HS - 3840 x 2160 p - 24 fps XAVC S - 3840 x 2160 p - 120 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 - 100 fps XAVC S - 3840 x 2160 p - 50 fps XAVC S - 3840 x 2160 p - 25 fps XAVC S HD - 1920 x 1080 p - 120 fps XAVC S HD - 1920 x 1080 p - 60 fps XAVC S HD - 1920 x 1080 p - 30 fps XAVC S HD - 1920 x 1080 p - 24 fps XAVC S HD - 1920 x 1080 p - 100 fps XAVC S HD - 1920 x 1080 p - 50 fps XAVC S HD - 1920 x 1080 p - 25 fps |
| BATTERY AND CHARGING | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7s III ILCE-7SM3 |
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| Battery Type | Sigma BP-61 Lithium Ion | Sony NP-FZ100 Lithium Ion |
|---|---|---|
| Details | Li-ion rechargeable battery (included) | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) |
| Battery Life | - | Photo shooting - 510 shots (EVF on) Photo shooting - 600 shots (LCD Monitor on) Video recording - 80 minutes (EVF on) Video recording - 135 minutes (LCD Monitor on) |
| CONNECTIONS | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7s III ILCE-7SM3 |
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| Interface | HDMI, USB 3.0 | HDMI, USB-C, Wireless LAN, NFC (Near Field Communication), Bluetooth 5.0 |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, Wireless Image Transfer, PC Remote functions via Wi-Fi |
| Print Standard | - | Exif Print support, PRINT Image Matching |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 3.0 (9 pin USB Type B) HDMI output (19 pin mini HDMI Type C) Remote control input |
USB (USB Type-C) HDMI output (19 pin HDMI Type A) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7s III ILCE-7SM3 |
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| Self-Timer Delay | 10 sec, 2sec | 10 sec, 2sec, 5 sec |
|---|---|---|
| Continuous Shooting Speed | - | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second |
| Additional Features | - | Built-in speaker, digital image rotation, camera orientation detection, histogram display, shadow point display, interval shooting mode, highlight point display, Dynamic Range Optimizer, USB charging, built-in help guide, Chromatic Aberration Compensation (CAC), HDR image enhancement technology, Intelligent AUTO (iAUTO), fast motion recording, Lens Distortion Compensation (LDC), noise reduction over long exposures, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, PhotoTV HD, GPS via mobile, slow motion recording, peripheral shading correction, anti-flicker, Hybrid Log-Gamma (HLG) recording |
| OTHERS | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7s III ILCE-7SM3 |
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| Included Accessories | Carrying strap, battery charger, dust cap, body cap, lens cap, USB cable | - |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
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