In depth comparison and review of Sony Alpha7s III ILCE-7SM3 and Canon EOS R7. 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 Alpha7s III ILCE-7SM3 | Canon EOS R7 |
|---|
| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.69 cm | 9.04 cm |
| Width | 12.89 cm | 13.2 cm |
| Depth | 8.08 cm | 9.17 cm |
| Weight | 699 g | 530 g |
| Weight Details | Camera with battery and memory card: 699 g | Camera body only: 530 g Camera with battery and memory card: 612 g |
| Body Material | Magnesium alloy | Magnesium alloy, high-strength engineering plastic |
| Protection | Dust-resistant, moisture-resistant | Dust-resistant, water-resistant |
| Digital Zoom | 4x | - |
| SENSOR | Sony Alpha7s III ILCE-7SM3 | Canon EOS R7 |
|---|
| Sensor Resolution | 12.1 Megapixel | 32.5 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor R CMOS | CMOS |
| Total Pixels | 12,900,000 pixels | 34,400,000 pixels |
| Effective Sensor Resolution | 12,100,000 pixels | 32,500,000 pixels |
| Optical Sensor Size | Full Frame (35.6 x 23.8 mm) | APS-C (22.3 x 14.8 mm) |
| Frame Rate (Max Resolution) | 120 fps | 60 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), Anti-Dust coating | EOS Integrated Cleaning System |
| Image Stabiliser | Optical (5-axis Steady Shot) | Optical (image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Digital level metre | - |
| PROCESSOR | Sony Alpha7s III ILCE-7SM3 | Canon EOS R7 |
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| Image Processor | BIONZ XR | DIGIC X |
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| LENS | Sony Alpha7s III ILCE-7SM3 | Canon EOS R7 |
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| Lens Mounting Type | Sony E-mount | Canon RF |
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| FOCUSING | Sony Alpha7s III ILCE-7SM3 | Canon EOS R7 |
|---|
| Auto Focus | TTL contrast and phase detection | Dual Pixel CMOS AF II |
|---|---|---|
| Auto Focus Points (Zones) Qty | 759 | 651 |
| 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-priority AF, Subject-tracking AF, Eye detection AF, Head Detection AF, Animal detection AF, Body detection AF, Vehicle-tracking AF |
| Face Detection | Face Recognition, face-priority AF function | - |
| VIEWFINDER | Sony Alpha7s III ILCE-7SM3 | Canon EOS R7 |
|---|
| Viewfinder Type | Built-in - electronic | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | 0.64" | 0.39" |
| Viewfinder Resolution | 9,437,184 pixels | 2,360,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.9x | 1.15x |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | -4 to +2 |
| Field of View Crop Factor | - | 1.6 |
| EXPOSURE & WHITE BALANCE | Sony Alpha7s III ILCE-7SM3 | Canon EOS R7 |
|---|
| ISO (Max) | 409600 | 25600 |
|---|---|---|
| Native ISO | - | 100-12800 |
| Extended ISO (Max) | 409600 | 25600 |
| Extended ISO (Min) | 40 | - |
| Light Sensitivity | ISO 204800, ISO 409600, ISO 80-102400, ISO 40 | ISO 100-12800, ISO auto (100-25600), ISO 16000-25600 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Evaluative, centre-weighted, partial (5.8%), spot (2.9%) |
| Exposure Metering Zones | 1200 | 384 |
| Exposure Modes | Bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, E-TTL II program flash |
| Bracketing Modes | Dynamic Range Bracketing | Focus bracketing, white balance bracketing |
| Special Effects | - | Neutral, Faithful, monochrome, landscape, portrait, Standard, Fine Detail |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (white) |
| Shutter Type | Mechanical electronically-controlled | Electronic, mechanical electronically-controlled |
| Max Shutter Speed | 1/8000 sec | 1/16000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±3 EV range, in 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | 3, 5 or 9 steps | 3 steps in 1/2 or 1/3 EV steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/250sec | 1/250sec, 1/320 sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -2-20 (ISO 100) |
| DISPLAY | Sony Alpha7s III ILCE-7SM3 | Canon EOS R7 |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | - |
| Display Format | 1,440,000 pixels | 1,620,000 pixels |
| Display Form Factor | Folding | Rotating |
| Display Features | Display brightness control | Display brightness control, display colour control |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha7s III ILCE-7SM3 | Canon EOS R7 |
|---|
| Digital Video Format | H.264, XAVC S, H.265, XAVC HS | MPEG-4, H.264, HEVC, H.265, MP4 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, C-RAW, HEIF |
| Max Video Resolution | 3840 x 2160 | 3840 x 2160 |
| Audio Signal Format | AAC | Linear PCM, AAC |
| Microphone Operation Mode | Stereo | Stereo |
| MEMORY | Sony Alpha7s III ILCE-7SM3 | Canon EOS R7 |
|---|
| Memory Card Slot | Dual SD card, dual CFexpress | Dual SD 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-II Memory Card, SDXC UHS-II Memory Card |
| Memory Card Included | No | No |
| Image Storage | 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 |
6960 x 4640 4800 x 3200 3472 x 2320 2400 x 1600 6160 x 4640 4256 x 3200 3072 x 2320 2112 x 1600 6960 x 3904 4800 x 2688 3472 x 1952 2400 x 1344 4640 x 4640 3200 x 3200 2320 x 2320 1600 x 1600 |
| 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 |
3840 x 2160 p - 59.94 fps 3840 x 2160 p - 50 fps 3840 x 2160 p - 29.97 fps 3840 x 2160 p - 25 fps 3840 x 2160 p - 23.98 fps 1920 x 1080 p - 119.9 fps 1920 x 1080 p - 100 fps 1920 x 1080 p - 59.94 fps 1920 x 1080 p - 50 fps 1920 x 1080 p - 29.97 fps 1920 x 1080 p - 25 fps 1920 x 1080 p - 23.98 fps |
| BATTERY AND CHARGING | Sony Alpha7s III ILCE-7SM3 | Canon EOS R7 |
|---|
| Battery Type | Sony NP-FZ100 Lithium Ion | Canon LP-E6NH Lithium Ion |
|---|---|---|
| Details | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) | Canon LP-E6NH Li-ion rechargeable battery (included) Canon LP-E6N Li-ion rechargeable battery (optional) Canon LP-E6 Li-ion rechargeable battery (optional) |
| 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) |
Photo shooting - 770 shots (LCD Monitor on) Photo shooting - 500 shots (EVF on) |
| CONNECTIONS | Sony Alpha7s III ILCE-7SM3 | Canon EOS R7 |
|---|
| Interface | HDMI, USB-C, Wireless LAN, NFC (Near Field Communication), Bluetooth 5.0 | HDMI, USB 3.2 Gen 2, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, Wireless Image Transfer, PC Remote functions via Wi-Fi | Remote control via mobile devices, remote live view, Live streaming, wireless video upload to cloud server, wireless image upload to cloud server, wireless image printing |
| Print Standard | Exif Print support, PRINT Image Matching | DPOF support, Exif Print support, PictBridge support |
| Flash Terminal | Hot shoe | - |
| Connector Type | 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) |
USB-C 3.2 Gen 2 (USB Type-C) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Remote control Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Sony Alpha7s III ILCE-7SM3 | Canon EOS R7 |
|---|
| 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 | 15 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 | RGB primary colour filter, depth-of-field preview button, camera orientation detection, histogram display, cropping an image, resizing an image, highlight point display, Auto Lighting Optimizer, in-camera RAW processing, peripheral illumination correction, HDR image enhancement technology, Scene Intelligent Auto technology, noise reduction over long exposures, high ISO speed noise reduction, distortion correction function, Optical Low Pass Filter (OLFP), diffraction correction, Digital Lens Optimizer, chromatic aberration correction, anti-flicker, firmware upgradable, Canon Log 3 |
| OTHERS | Sony Alpha7s III ILCE-7SM3 | Canon EOS R7 |
|---|
| Included Accessories | - | Battery charger, neck strap, EF-EOS R lens adapter |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
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