Detailed comparison and review of Sigma SD Quattro + 30mm F1.4 DC HSM | Art and Sony Alpha7R III ILCE-7RM3. With our comprehensive overview, you can simply compare design, sensors, proximity characteristics, memory capacities, but also other key features of both cameras and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the camera that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7R III ILCE-7RM3 |
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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 | 9.56 cm |
| Width | 14.7 cm | 12.69 cm |
| Depth | 9.08 cm | 7.37 cm |
| Weight | 625 g | 572 g |
| Weight Details | - | Camera body only: 572 g Camera with battery and memory card: 675 g |
| Body Material | Magnesium alloy | Magnesium alloy |
| Enclosure Colour | - | Black |
| Protection | Splashproof, dust-resistant | Dust-resistant, moisture-resistant |
| Digital Zoom | - | 4x |
| SENSOR | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7R III ILCE-7RM3 |
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| Sensor Resolution | 29.5 Megapixel | 42.4 Megapixel |
|---|---|---|
| Optical Sensor Type | X3 CMOS | Exmor R CMOS |
| Total Pixels | 33,200,000 pixels | 43,600,000 pixels |
| Effective Sensor Resolution | 29,500,000 pixels | 42,400,000 pixels |
| Optical Sensor Size | APS-C (23.4 x 15.5 mm) | Full Frame (35.9 x 24 mm) |
| Frame Rate (Max Resolution) | - | 30 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 Alpha7R III ILCE-7RM3 |
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| Image Processor | - | BIONZ X |
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| LENS | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7R III ILCE-7RM3 |
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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 Alpha7R III ILCE-7RM3 |
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| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 9 | 399 |
| Auto Focus Features | - | Focus Peaking function, Predictive Focus Control |
| AE/AF Control | - | Flex Focus Point, Eye detection AF, Zone AF |
| Face Detection | Face-priority AF function | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7R III ILCE-7RM3 |
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| Viewfinder Type | Electronic - LCD | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | - | 0.5" |
| Viewfinder Resolution | 2,360,000 pixels | 3,686,400 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 1.1x | 0.78x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -4 to +3 |
| Field of View Crop Factor | 1.5 | - |
| Features | - | Viewfinder brightness control, colour temperature control |
| EXPOSURE & WHITE BALANCE | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7R III ILCE-7RM3 |
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| ISO (Max) | - | 102400 |
|---|---|---|
| Native ISO | 100-6400 | - |
| Light Sensitivity | - | ISO 50, ISO 102400, ISO auto (100-12800), ISO 100-32000 |
| 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 bracketing |
| Special Effects | - | Black & White, Sepia, Neutral, Vivid, sunset, landscape, portrait, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, Soft High-key, Night Scene, Standard, Style Box, Posterisation (B/W) |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | - | Incandescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white) |
| Shutter Type | 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, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps |
| White Balance Bracketing | - | Yes |
| 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 Alpha7R III ILCE-7RM3 |
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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, Peaking AF display, Touch AF |
| FLASH | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7R III ILCE-7RM3 |
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| Features | - | AF illuminator |
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| VIDEOGRAPHY / CAMCORDER | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7R III ILCE-7RM3 |
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| Digital Video Format | - | AVCHD, XAVC S |
|---|---|---|
| Image Recording Format | JPEG, RAW | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | - | 3840 x 2160 |
| Audio Signal Format | - | Dolby Digital AC-3 (2 channel), Linear PCM |
| Microphone Operation Mode | - | Stereo |
| MEMORY | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7R III ILCE-7RM3 |
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| Memory Card Slot | SD card | Memory Stick PRO Duo card, SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card | SD Memory Card, Memory Stick PRO Duo, SDXC Memory Card, SDHC Memory Card, Memory Stick PRO-HG Duo, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card |
| Memory Card Included | No | No |
| Image Storage | 5440 x 3616 2720 x 1808 |
7952 x 5304 7952 x 4472 5168 x 3448 5168 x 2912 3984 x 2656 3984 x 2240 2592 x 1728 2592 x 1456 |
| Video Capture | - | AVCHD - 1920 x 1080 i - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 17Mbps AVCHD - 1920 x 1080 i - 50 fps - 24Mbps AVCHD - 1920 x 1080 i - 50 fps - 17Mbps XAVC S - 3840 x 2160 p - 30 fps - 100Mbps XAVC S - 3840 x 2160 p - 24 fps - 100Mbps XAVC S - 3840 x 2160 p - 30 fps - 60Mbps XAVC S - 3840 x 2160 p - 24 fps - 60Mbps XAVC S - 1920 x 1080 p - 60 fps - 100Mbps XAVC S - 1920 x 1080 p - 120 fps - 60Mbps XAVC S - 1920 x 1080 p - 60 fps - 50Mbps XAVC S - 1920 x 1080 p - 30 fps - 50Mbps XAVC S - 1920 x 1080 p - 24 fps - 50Mbps XAVC S - 1920 x 1080 p - 60 fps - 25Mbps XAVC S - 1920 x 1080 p - 30 fps - 16Mbps XAVC S - 3840 x 2160 p - 25 fps - 100Mbps XAVC S - 3840 x 2160 p - 25 fps - 60Mbps XAVC S - 1920 x 1080 p - 100 fps - 100Mbps XAVC S - 1920 x 1080 p - 100 fps - 60Mbps XAVC S - 1920 x 1080 p - 50 fps - 50Mbps XAVC S - 1920 x 1080 p - 25 fps - 50Mbps XAVC S - 1920 x 1080 p - 50 fps - 25Mbps XAVC S - 1920 x 1080 p - 25 fps - 16Mbps |
| BATTERY AND CHARGING | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7R III ILCE-7RM3 |
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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 - 650 shots (LCD Monitor on) Photo shooting - 530 shots (EVF on) Video recording - 1.92 hours (LCD Monitor on) Video recording - 1.67 hours (EVF on) |
| CONNECTIONS | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7R III ILCE-7RM3 |
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| Interface | HDMI, USB 3.0 | HDMI, USB 2.0, USB-C, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 |
|---|---|---|
| Connectivity Features | - | Remote live view |
| Print Standard | - | DPOF support, Exif Print support, PRINT Image Matching |
| Flash Terminal | Hot shoe | Hot shoe, PC terminal |
| Connector Type | USB 3.0 (9 pin USB Type B) HDMI output (19 pin mini HDMI Type C) Remote control input |
USB 2.0 (5 pin Micro-USB Type B) USB 3.1 (USB Type-C) HDMI output (19 pin micro HDMI Type D) 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 Alpha7R III ILCE-7RM3 |
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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 |
| HDR Mode | - | HDR Movie mode |
| Additional Features | - | Built-in speaker, sharpness control, camera orientation detection, histogram display, saturation control, contrast control, Dynamic Range Optimizer, USB charging, built-in help guide, Dolby Digital Stereo Creator, x.v.Colour technology, HDR image enhancement technology, Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, silent shooting, GPS via mobile, S-Log2 gamma setting, Pixel Shift Resolution technology, peripheral shading correction, chromatic aberration correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting |
| OTHERS | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7R III ILCE-7RM3 |
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| Included Accessories | Carrying strap, battery charger, dust cap, body cap, lens cap, USB cable | Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
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