In depth comparison and review of Sigma SD Quattro + 30mm F1.4 DC HSM | Art and Sony Alpha7C ILCE-7C. 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 Alpha7C ILCE-7C |
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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 | 7.11 cm |
| Width | 14.7 cm | 12.4 cm |
| Depth | 9.08 cm | 5.35 cm |
| Weight | 625 g | 424 g |
| Weight Details | - | Camera body only: 424 g Camera with battery and memory card: 509 g |
| Body Material | Magnesium alloy | - |
| Enclosure Colour | - | Silver | Black |
| Protection | Splashproof, dust-resistant | - |
| SENSOR | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7C ILCE-7C |
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| Sensor Resolution | 29.5 Megapixel | 24.2 Megapixel |
|---|---|---|
| Optical Sensor Type | X3 CMOS | Exmor R CMOS |
| Total Pixels | 33,200,000 pixels | 25,300,000 pixels |
| Effective Sensor Resolution | 29,500,000 pixels | 24,200,000 pixels |
| Optical Sensor Size | APS-C (23.4 x 15.5 mm) | Full Frame (35.6 x 23.8 mm) |
| Frame Rate (Max Resolution) | - | 30 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | - | Dust Reduction (image sensor vibration), Anti-Dust coating |
| Image Stabiliser | - | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | - | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7C ILCE-7C |
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| Image Processor | - | BIONZ X |
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| LENS | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7C ILCE-7C |
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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 Alpha7C ILCE-7C |
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| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 9 | 693 |
| Auto Focus Features | - | Focus Peaking function, Predictive Focus Control |
| Face Detection | Face-priority AF function | Eye Detect AF, Face Recognition, face-priority AF function |
| VIEWFINDER | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7C ILCE-7C |
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| Viewfinder Type | Electronic - LCD | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | - | 0.39" |
| Viewfinder Resolution | 2,360,000 pixels | 2,359,296 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 1.1x | 0.59x |
| 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 Alpha7C ILCE-7C |
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| ISO (Max) | - | 204800 |
|---|---|---|
| Native ISO | 100-6400 | 100-51200 |
| Extended ISO (Max) | - | 204800 |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | - | ISO 50, ISO auto (100-12800), ISO 204800, ISO 100-51200 |
| Exposure Metering | Evaluative, centre-weighted, spot | Multi-segment, centre-weighted, spot, average, highlight weighted |
| Exposure Metering Zones | - | 1200 |
| Exposure Modes | Programme, automatic, manual, aperture-priority, shutter-priority | Bulb, automatic, manual, aperture-priority, shutter-priority |
| 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, Rich-tone monochrome, Soft High-key, Night Scene, Standard, Style Box, Posterisation (B/W) |
| 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 | Electronic, mechanical electronically-controlled |
| Max Shutter Speed | 1/4000 sec | 1/4000 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 | 1/160 sec |
| Exposure Range | EV 0-17 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7C ILCE-7C |
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| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,620,000 pixels | 921,600 pixels |
| Display Form Factor | Built-in | Rotating |
| Display Features | - | Display brightness control |
| VIDEOGRAPHY / CAMCORDER | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7C ILCE-7C |
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| Digital Video Format | - | H.264, XAVC S |
|---|---|---|
| Image Recording Format | JPEG, RAW | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | - | 3840 x 2160 |
| Audio Signal Format | - | Linear PCM |
| Microphone Operation Mode | - | Stereo |
| MEMORY | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7C ILCE-7C |
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| Memory Card Slot | SD card | SD card |
|---|---|---|
| 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 |
| Memory Card Included | No | No |
| Image Storage | 5440 x 3616 2720 x 1808 |
JPEG 6000 x 4000 JPEG 3936 x 2624 JPEG 3008 x 2000 JPEG 3936 x 2624 JPEG 1968 x 1312 JPEG 5328 x 4000 JPEG 3488 x 2624 JPEG 2656 x 2000 JPEG 3488 x 2624 JPEG 1744 x 1312 JPEG 6000 x 3376 JPEG 3936 x 2216 JPEG 3008 x 1688 JPEG 3008 x 1688 JPEG 1968 x 1112 JPEG 4000 x 4000 JPEG 2624 x 2624 JPEG 2000 x 2000 JPEG 1312 x 1312 |
| Video Capture | - | XAVC S - 3840 x 2160 p - 30 fps XAVC S - 3840 x 2160 p - 24 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 Alpha7C ILCE-7C |
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| Battery Type | Sigma BP-61 Lithium Ion | Sony NP-FZ100 |
|---|---|---|
| Details | Li-ion rechargeable battery (included) | Sony NP-FZ100 Li-ion rechargeable battery (included) |
| Battery Life | - | Photo shooting - 680 shots (EVF on) Photo shooting - 740 shots (LCD Monitor on) Video recording - 140 minutes |
| CONNECTIONS | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7C ILCE-7C |
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| Interface | HDMI, USB 3.0 | USB-C, Wireless LAN, NFC (Near Field Communication), Bluetooth 4.1 |
|---|---|---|
| Connectivity Features | - | Remote control via mobile devices, remote live view, Wireless Image Transfer |
| Print Standard | - | DPOF support, 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 3.2 Gen 1 (USB Type-C) 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 Alpha7C ILCE-7C |
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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 | - | Auto HDR mode |
| Additional Features | - | Built-in speaker, histogram display, colour control, saturation control, interval shooting mode, Dynamic Range Optimizer, USB charging, built-in help guide, Chromatic Aberration Compensation (CAC), x.v.Colour technology, Intelligent AUTO (iAUTO), fast motion recording, noise reduction over long exposures, high ISO speed noise reduction, PlayMemories Camera Apps support, silent shooting, BRAVIA Sync function, PhotoTV HD, GPS via mobile, S-Log2 gamma setting, slow motion recording, Clear Image Zoom 2.0x, peripheral shading correction, image distortion correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting |
| OTHERS | Sigma SD Quattro + 30mm F1.4 DC HSM | Art | Sony Alpha7C ILCE-7C |
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| Included Accessories | Carrying strap, battery charger, dust cap, body cap, lens cap, USB cable | Body cap |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
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