In depth comparison and review of Sony Alpha99 II ILCA-99M2 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 | Sony Alpha99 II ILCA-99M2 | Sony Alpha7s III ILCE-7SM3 |
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| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 10.42 cm | 9.69 cm |
| Width | 14.26 cm | 12.89 cm |
| Depth | 7.61 cm | 8.08 cm |
| Weight | 849 g | 699 g |
| Weight Details | Camera with battery and memory card: 849 g | Camera with battery and memory card: 699 g |
| Body Material | - | Magnesium alloy |
| Protection | Dust-resistant, moisture-resistant | Dust-resistant, moisture-resistant |
| Digital Zoom | 8x | 4x |
| SENSOR | Sony Alpha99 II ILCA-99M2 | Sony Alpha7s III ILCE-7SM3 |
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| Sensor Resolution | 42.4 Megapixel | 12.1 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor R CMOS | Exmor R CMOS |
| Total Pixels | 43,600,000 pixels | 12,900,000 pixels |
| Effective Sensor Resolution | 42,400,000 pixels | 12,100,000 pixels |
| Optical Sensor Size | Full Frame (35.9 x 24.0 mm) | Full Frame (35.6 x 23.8 mm) |
| Frame Rate (Max Resolution) | 30 fps | 120 fps |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | Anti-Dust coating, APS-C compatible mode | Dust Reduction (image sensor vibration), Anti-Dust coating |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | Optical (5-axis Steady Shot) |
| Built-in Optical Image Stabiliser | - | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Sony Alpha99 II ILCA-99M2 | Sony Alpha7s III ILCE-7SM3 |
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| Image Processor | BIONZ X | BIONZ XR |
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| LENS | Sony Alpha99 II ILCA-99M2 | Sony Alpha7s III ILCE-7SM3 |
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| Lens Mounting Type | Sony A-type | Sony E-mount |
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| FOCUSING | Sony Alpha99 II ILCA-99M2 | Sony Alpha7s III ILCE-7SM3 |
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| Auto Focus | Hybrid | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 399 | 759 |
| Auto Focus Features | Predictive Focus Control | Focus Peaking function, Predictive Focus Control |
| AE/AF Control | - | Flex Focus Point, Face-priority AF, Subject-tracking AF, Eye detection AF |
| Face Detection | Eye Detect AF | Face Recognition, face-priority AF function |
| VIEWFINDER | Sony Alpha99 II ILCA-99M2 | Sony Alpha7s III ILCE-7SM3 |
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| Viewfinder Type | Electronic - OLED | Built-in - electronic |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | 0.5" | 0.64" |
| Viewfinder Resolution | 2,359,296 pixels | 9,437,184 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.78x | 0.9x |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | -4 to +3 |
| Features | Viewfinder brightness control, colour temperature control | - |
| EXPOSURE & WHITE BALANCE | Sony Alpha99 II ILCA-99M2 | Sony Alpha7s III ILCE-7SM3 |
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| ISO (Max) | 102400 | 409600 |
|---|---|---|
| Native ISO | 100-25600 | - |
| Extended ISO (Max) | 102400 | 409600 |
| Extended ISO (Min) | 50 | 40 |
| Light Sensitivity | ISO 50, ISO 102400, ISO auto (100-6400), ISO 100-25600 | ISO 204800, ISO 409600, ISO 80-102400, ISO 40 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 1200 | 1200 |
| Exposure Modes | Automatic, manual, aperture-priority, shutter-priority | Bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Dynamic Range 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, Rich-tone monochrome, Soft High-key, Night Scene, Standard, Style Box | - |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, fluorescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white), Colour Filter (G7 - M7), Colour Filter (A7 - B7) | Incandescent, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K |
| Shutter Type | Mechanical electronically-controlled | 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 | ±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 | 3, 5 or 9 steps |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/250sec | 1/250sec |
| Exposure Range | EV 2-17 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Sony Alpha99 II ILCA-99M2 | Sony Alpha7s III ILCE-7SM3 |
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| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,228,800 pixels | 1,440,000 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Display brightness control | Display brightness control |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha99 II ILCA-99M2 | Sony Alpha7s III ILCE-7SM3 |
|---|
| Digital Video Format | AVCHD, H.264, XAVC S, XAVC HD | H.264, XAVC S, H.265, XAVC HS |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 3840 x 2160 | 3840 x 2160 |
| Audio Signal Format | Dolby Digital AC-3 (2 channel), Linear PCM, AAC | AAC |
| Microphone Operation Mode | Stereo | Stereo |
| MEMORY | Sony Alpha99 II ILCA-99M2 | Sony Alpha7s III ILCE-7SM3 |
|---|
| Memory Card Slot | SD card, Memory Stick PRO Duo card / SD card | Dual SD card, dual CFexpress |
|---|---|---|
| Supported Memory Cards | SD Memory Card, Memory Stick PRO Duo, Memory Stick PRO-HG Duo, microSD Card, microSDHC Card, Memory Stick Micro Mark2, microSDXC Card, SDHC UHS-I Memory Card, SDXC UHS-I 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 | 7952 x 5304 5168 x 3448 3984 x 2656 5168 x 3448 3984 x 2656 2592 x 1728 7952 x 4472 5168 x 2912 3984 x 2240 5168 x 2912 3984 x 2240 2592 x 1456 |
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 S - 3840 x 2160 p - 30 fps - 100Mbps XAVC S - 3840 x 2160 p - 24 fps - 100Mbps XAVC S - 3840 x 2160 p - 24 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 120 fps - 100Mbps XAVC S HD - 1920 x 1080 p - 120 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 60 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 30 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 24 fps - 50Mbps AVCHD - 1920 x 1080 p - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 17Mbps AVCHD - 1920 x 1080 p - 24 fps - 24Mbps AVCHD - 1920 x 1080 p - 24 fps - 17Mbps H.264 - 1920 x 1080 p - 60 fps - 28Mbps H.264 - 1920 x 1080 p - 30 fps - 16Mbps H.264 - 1280 x 720 p - 30 fps - 6Mbps XAVC S - 3840 x 2160 p - 25 fps - 100Mbps XAVC S - 3840 x 2160 p - 25 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 100 fps - 100Mbps XAVC S HD - 1920 x 1080 p - 100 fps - 60Mbps XAVC S HD - 1920 x 1080 p - 50 fps - 50Mbps XAVC S HD - 1920 x 1080 p - 25 fps - 50Mbps AVCHD - 1920 x 1080 p - 50 fps - 28Mbps AVCHD - 1920 x 1080 i - 50 fps - 24Mbps AVCHD - 1920 x 1080 i - 50 fps - 17Mbps AVCHD - 1920 x 1080 p - 25 fps - 24Mbps AVCHD - 1920 x 1080 p - 25 fps - 17Mbps H.264 - 1920 x 1080 p - 50 fps - 28Mbps H.264 - 1920 x 1080 p - 25 fps - 16Mbps H.264 - 1280 x 720 p - 25 fps - 6Mbps |
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 | Sony Alpha99 II ILCA-99M2 | Sony Alpha7s III ILCE-7SM3 |
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| Battery Type | Sony NP-FM500H Lithium Ion | Sony NP-FZ100 Lithium Ion |
|---|---|---|
| Details | Sony NP-FW50 Li-ion rechargeable battery (included) | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) |
| Battery Life | Photo shooting - 490 shots (LCD Monitor on) Video recording - 2.25 hours (LCD Monitor on) |
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 | Sony Alpha99 II ILCA-99M2 | Sony Alpha7s III ILCE-7SM3 |
|---|
| Interface | HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 | HDMI, USB-C, Wireless LAN, NFC (Near Field Communication), Bluetooth 5.0 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices | Remote control via mobile devices, Wireless Image Transfer, PC Remote functions via Wi-Fi |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | Exif Print support, PRINT Image Matching |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) |
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 | Sony Alpha99 II ILCA-99M2 | Sony Alpha7s III ILCE-7SM3 |
|---|
| Self-Timer Delay | 10 sec, 2sec, 5 sec | 10 sec, 2sec, 5 sec |
|---|---|---|
| Continuous Shooting Speed | 4 frames per second, 8 frames per second, 12 frames per second, 6 frames per second | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second |
| HDR Mode | Auto HDR mode | - |
| Additional Features | Exposure compensation, built-in speaker, sharpness control, histogram display, auto exposure control, colour control, AE lock, AF lock, saturation control, Sweep Panorama technology, contrast control, Dynamic Range Optimizer, built-in help guide, Dolby Digital Stereo Creator, Chromatic Aberration Compensation (CAC), x.v.Colour technology, Multi-Frame Noise Reduction, Intelligent AUTO (iAUTO), Eye-Fi Card Ready, High ISO NR, Smart Teleconverter, Lens Distortion Compensation (LDC), Clear Image Zoom, noise reduction over long exposures, BRAVIA Sync function, PhotoTV HD, back illuminated sensor, High Dynamic Range (HDR), dual video recording, noise reduction | 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 | Sony Alpha99 II ILCA-99M2 | Sony Alpha7s III ILCE-7SM3 |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, eyecup, shoe cap, micro-USB cable | - |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
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