In depth comparison and review of Sony Alpha7R III ILCE-7RM3 and Canon EOS Ra. 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 Alpha7R III ILCE-7RM3 | Canon EOS Ra |
|---|
| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.56 cm | 9.83 cm |
| Width | 12.69 cm | 13.58 cm |
| Depth | 7.37 cm | 8.44 cm |
| Weight | 572 g | 580 g |
| Weight Details | Camera body only: 572 g Camera with battery and memory card: 675 g |
Camera body only: 580 g Camera with battery and memory card: 660 g |
| Body Material | Magnesium alloy | Magnesium alloy |
| Enclosure Colour | Black | - |
| Protection | Dust-resistant, moisture-resistant | Waterproof, dust-resistant |
| Digital Zoom | 4x | - |
| SENSOR | Sony Alpha7R III ILCE-7RM3 | Canon EOS Ra |
|---|
| Sensor Resolution | 42.4 Megapixel | 30.3 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor R CMOS | CMOS |
| Total Pixels | 43,600,000 pixels | 31,700,000 pixels |
| Effective Sensor Resolution | 42,400,000 pixels | 30,300,000 pixels |
| Optical Sensor Size | Full Frame (35.9 x 24 mm) | Full Frame (36 x 24 mm) |
| Frame Rate (Max Resolution) | 30 fps | 30 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) | - |
| Built-in Optical Image Stabiliser | Yes | - |
| Sensors | Digital level metre | - |
| PROCESSOR | Sony Alpha7R III ILCE-7RM3 | Canon EOS Ra |
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| Image Processor | BIONZ X | DIGIC 8 |
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| LENS | Sony Alpha7R III ILCE-7RM3 | Canon EOS Ra |
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| Lens Mounting Type | Sony E-mount | Canon RF |
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| FOCUSING | Sony Alpha7R III ILCE-7RM3 | Canon EOS Ra |
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| Auto Focus | TTL contrast and phase detection | Dual Pixel CMOS AF |
|---|---|---|
| Auto Focus Points (Zones) Qty | 399 | 5655 |
| Auto Focus Features | Focus Peaking function, Predictive Focus Control | Focus Peaking function |
| AE/AF Control | Flex Focus Point, Eye detection AF, Zone AF | Face-priority AF, Subject-tracking AF, Eye detection AF, Zone AF, Touch and Drag AF |
| Face Detection | Eye Detect AF, face-priority AF function | Face Detection AF/AE |
| VIEWFINDER | Sony Alpha7R III ILCE-7RM3 | Canon EOS Ra |
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| Viewfinder Type | Electronic - OLED | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Diagonal Size | 0.5" | 0.5" |
| Viewfinder Resolution | 3,686,400 pixels | 3,690,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.78x | 0.76x |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | -4 to +2 |
| Field of View Crop Factor | - | 1.0 |
| Features | Viewfinder brightness control, colour temperature control | Viewfinder brightness control |
| EXPOSURE & WHITE BALANCE | Sony Alpha7R III ILCE-7RM3 | Canon EOS Ra |
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| ISO (Max) | 102400 | 102400 |
|---|---|---|
| Native ISO | - | 100-40000 |
| Extended ISO (Max) | - | 51200 (H1), 102400 (H2) |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO 50, ISO 102400, ISO auto (100-12800), ISO 100-32000 | ISO 50, ISO 102400, ISO 51200, ISO 100-40000 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Evaluative, centre-weighted, partial (6.1%), spot (2.7%) |
| 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, 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) | Neutral, Custom Effect, Faithful, monochrome, landscape, portrait, Standard, Fine Detail |
| 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) | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (white) |
| Shutter Type | - | Mechanical electronically-controlled |
| Max Shutter Speed | 1/8000 sec | 1/8000 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, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps | 3 steps in 1/2 or 1/3 EV steps |
| White Balance Bracketing | Yes | Yes |
| X-sync Speed | 1/250sec | 1/200sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Sony Alpha7R III ILCE-7RM3 | Canon EOS Ra |
|---|
| Type | 3" LCD display | 3.15" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,440,000 pixels | 2,100,000 pixels |
| Display Form Factor | Folding | Rotating |
| Display Features | Display brightness control, Peaking AF display, Touch AF | Display brightness control, display colour control, anti-smudge coating |
| FLASH | Sony Alpha7R III ILCE-7RM3 | Canon EOS Ra |
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| Features | AF illuminator | - |
|---|
| VIDEOGRAPHY / CAMCORDER | Sony Alpha7R III ILCE-7RM3 | Canon EOS Ra |
|---|
| Digital Video Format | AVCHD, XAVC S | H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG, C-RAW |
| Max Video Resolution | 3840 x 2160 | 3840 x 2160 |
| Audio Signal Format | Dolby Digital AC-3 (2 channel), Linear PCM | Linear PCM |
| Microphone Operation Mode | Stereo | Stereo |
| MEMORY | Sony Alpha7R III ILCE-7RM3 | Canon EOS Ra |
|---|
| Memory Card Slot | Memory Stick PRO Duo card, SD card | SD card |
|---|---|---|
| Supported Memory Cards | 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 | 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 | 7952 x 5304 7952 x 4472 5168 x 3448 5168 x 2912 3984 x 2656 3984 x 2240 2592 x 1728 2592 x 1456 |
RAW 6720 x 4480 RAW 4176 x 2784 RAW 5952 x 4480 RAW 6720 x 4480 RAW 4480 x 4480 JPEG 4464 x 2976 JPEG 3968 x 2976 JPEG 4464 x 2512 JPEG 2976 x 2976 JPEG 3360 x 2240 JPEG 2400 x 1600 JPEG 2976 x 2240 JPEG 3360 x 1888 JPEG 2240 x 2240 JPEG 2400 x 1600 JPEG 2112 x 1600 JPEG 2400 x 1344 JPEG 1600 x 1600 |
| 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 |
H.264 - 3840 x 2160 p - 29.97 fps H.264 - 3840 x 2160 p - 25 fps H.264 - 3840 x 2160 p - 24 fps H.264 - 3840 x 2160 p - 23.98 fps H.264 - 1920 x 1080 p - 59.94 fps H.264 - 1920 x 1080 p - 50 fps H.264 - 1920 x 1080 p - 29.97 fps H.264 - 1920 x 1080 p - 25 fps H.264 - 1920 x 1080 p - 24 fps H.264 - 1920 x 1080 p - 23.98 fps H.264 - 1280 x 720 p - 119.9 fps H.264 - 1280 x 720 p - 100 fps H.264 - 1280 x 720 p - 59.94 fps H.264 - 1280 x 720 p - 50 fps H.264 - 1280 x 720 p - 29.97 fps H.264 - 1280 x 720 p - 25 fps |
| BATTERY AND CHARGING | Sony Alpha7R III ILCE-7RM3 | Canon EOS Ra |
|---|
| Battery Type | Sony NP-FZ100 Lithium Ion | Canon LP-E6N Lithium Ion |
|---|---|---|
| Details | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) | Canon LP-E6N Li-ion rechargeable battery (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) |
Photo shooting - 370 shots (at 23 °C (Live View mode)) Photo shooting - 350 shots (at 0 °C (Live View mode)) Photo shooting - 350 shots (at 0 °C (LCD Monitor off)) Photo shooting - 330 shots (at 0 °C (LCD Monitor off)) |
| CONNECTIONS | Sony Alpha7R III ILCE-7RM3 | Canon EOS Ra |
|---|
| Interface | HDMI, USB 2.0, USB-C, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 | HDMI, USB 3.1, IEEE 802.11b/g/n, Bluetooth 4.1 |
|---|---|---|
| Connectivity Features | Remote live view | Remote control via mobile devices, remote live view, Wireless Image Transfer, wireless image printing |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | DPOF support, Exif Print support, PictBridge support |
| Computer Connectivity | - | Mac, Windows |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe |
| Connector Type | 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) |
USB 3.1 (USB Type-C) HDMI output (19 pin mini HDMI Type C) Audio line-in / microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) Remote control |
| FEATURES | Sony Alpha7R III ILCE-7RM3 | Canon EOS Ra |
|---|
| 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 | 8 frames per second, 3 frames per second, 5 frames per second, 2.2 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 | Auto power save, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, highlight tone priority, Dust Delete Data system, USB charging, Auto Lighting Optimizer, in-camera RAW processing, peripheral illumination correction, Time-Lapse recording, Canon Log Gamma mode, high ISO speed noise reduction, silent shooting, Dual Pixel CMOS AF technology, diffraction correction, Flicker detection, Digital Lens Optimizer, RGB primary colour filter with increased Hα light transmission rate, 30x zoom on LCD in Live View mode |
| OTHERS | Sony Alpha7R III ILCE-7RM3 | Canon EOS Ra |
|---|
| Included Accessories | Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable | Battery charger, body cap, neck strap, USB cable |
|---|---|---|
| Software | - | Canon Digital Photo Professional |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Service & Support | - | Limited warranty - 2 years |
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