Side by side comparison and review of Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS and Sigma fp. Compare design, sensors, zoom functions, batteries and other key specifications and features to simplify the choice of your perfect digital camera. Our goal is to make it easier for you to decide on the camera that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Sigma fp |
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| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | FE 28-70mm OSS lens | Body only |
| Height | 9.56 cm | 6.99 cm |
| Width | 12.69 cm | 11.26 cm |
| Depth | 7.37 cm | 4.53 cm |
| Weight | 650 g | 370 g |
| Weight Details | Camera with battery and memory card: 650 g | Camera body only: 370 g Camera with battery and memory card: 422 g |
| Body Material | - | Aluminium |
| Enclosure Colour | Black | - |
| Protection | Dust-resistant, moisture-resistant | Splashproof, dust-resistant |
| Digital Zoom | 4x | - |
| SENSOR | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Sigma fp |
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| Sensor Resolution | 24.2 Megapixel | 24.6 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor R CMOS | BSI-CMOS |
| Total Pixels | 25,300,000 pixels | 25,300,000 pixels |
| Effective Sensor Resolution | 24,200,000 pixels | 24,600,000 pixels |
| Optical Sensor Size | Full Frame (35.6 x 23.8 mm) | Full Frame (35.9 x 23.1 mm) |
| Frame Rate (Max Resolution) | 30 fps | 30 fps |
| Sensor Dust Reduction | Yes | - |
| Sensor Features | Dust Reduction (image sensor vibration), Anti-Dust coating | - |
| Image Stabiliser | Optical (5-axis Steady Shot) | Electronic |
| Built-in Optical Image Stabiliser | Yes | - |
| Sensors | Digital level metre | - |
| PROCESSOR | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Sigma fp |
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| Image Processor | BIONZ X | - |
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| LENS | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Sigma fp |
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| Type | Zoom lens 28 - 70 mm - f/3.5-5.6 FE OSS - zoom | - |
|---|---|---|
| Focus Adjustment | Automatic, manual | - |
| Min Focus Distance | 30 cm | - |
| Max View Angle | 75 degree(s) | - |
| Zoom Adjustment | Manual | - |
| Lens Construction | 8 groups / 9 elements | - |
| Filter Size | 55 mm | - |
| Lens Mounting Type | Sony E-mount | L-Mount |
| Features | Internal focusing system, full-time manual focusing, ED glass, splashproof, aspherical lens, dustproof | - |
| FOCUSING | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Sigma fp |
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| Auto Focus | TTL contrast and phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 693 | 49 |
| Auto Focus Features | Focus Peaking function | Focus Peaking function, Predictive Focus Control |
| AE/AF Control | Face-priority AF, Touch Area AF | Face-priority AF, Subject-tracking AF, Eye detection AF, Predictive AI Servo AF |
| Face Detection | Face-priority AF function | Face-priority AF function |
| VIEWFINDER | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Sigma fp |
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| Viewfinder Type | Electronic - OLED | - |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Diagonal Size | 0.5" | - |
| Viewfinder Resolution | 2,359,296 pixels | - |
| Optical Viewfinder Field Coverage | 100% | - |
| Optical Viewfinder Magnification | 0.78x | - |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | - |
| Features | Viewfinder brightness control, colour temperature control | - |
| EXPOSURE & WHITE BALANCE | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Sigma fp |
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| ISO (Max) | 204800 | 102400 |
|---|---|---|
| Native ISO | 100-51200 | 100-25600 |
| Extended ISO (Max) | 204800 | 102400 |
| Extended ISO (Min) | 50 | 6 |
| Light Sensitivity | ISO 50, ISO 102400, ISO 204800, ISO 100-51200 | ISO 50, ISO 102400, ISO 51200, ISO 100-25600, ISO 6, ISO 12, ISO 25 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Evaluative, centre-weighted, spot |
| Exposure Metering Zones | 1200 | - |
| Exposure Modes | Programme, automatic, manual, aperture-priority, shutter-priority | Programme, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Flash Exposure Bracketing, white balance bracketing | - |
| Shooting Programs | Landscape, portrait mode, macro, night portrait, night scene, sports mode, sunset | - |
| 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) | Cinema, Neutral, Vivid, monochrome, landscape, portrait, Sunset Red, Forest Green, FOV Classic Blue, FOV Classic Yellow, Standard, Teal & Orange |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, fluorescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white) | Incandescent, fluorescent, Flash, daylight, shade, overcast |
| Shutter Type | Mechanical electronically-controlled | Electronic |
| 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 1/3 EV steps |
| Auto Exposure Bracketing | 3, 5, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps | 3, 5 steps in 1/3 EV step |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/250sec | - |
| Exposure Range | EV -3-20 (ISO 100) | EV -5-18 (ISO 100) |
| DISPLAY | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Sigma fp |
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| Type | 3" LCD display | 3.15" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 921,600 pixels | 2,100,000 pixels |
| Display Form Factor | Folding | Built-in |
| Display Features | Display brightness control | - |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Sigma fp |
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| Digital Video Format | AVCHD, XAVC S | H.264, MOV, CinemaDNG |
|---|---|---|
| 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 | Linear PCM |
| Microphone Operation Mode | Stereo | Stereo |
| MEMORY | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Sigma fp |
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| 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 |
| Memory Card Included | No | No |
| Image Storage | 6000 x 4000 3936 x 2624 3008 x 2000 1968 x 1312 6000 x 3376 3936 x 2216 3008 x 1688 1968 x 1112 |
RAW 6000 x 4000 RAW 3840 x 2560 - 1.5x crop RAW 3008 x 2000 RAW 1920 x 1080 - 1.5x crop |
| 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 - 30 fps - 60Mbps XAVC S - 3840 x 2160 p - 24 fps - 60Mbps XAVC S - 1920 x 1080 p - 120 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 AVCHD - 1920 x 1080 i - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 17Mbps 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 AVCHD - 1920 x 1080 i - 50 fps - 24Mbps AVCHD - 1920 x 1080 i - 50 fps - 17Mbps |
3840 x 2160 p - 29.97 fps 3840 x 2160 p - 25 fps 3840 x 2160 p - 23.98 fps 1920 x 1080 p - 119.88 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 Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Sigma fp |
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| Battery Type | Sony NP-FZ100 Lithium Ion | Sigma BP-51 Lithium Ion |
|---|---|---|
| Details | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) | Sigma BP-51 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 710 shots (LCD Monitor on) Photo shooting - 610 shots (EVF on) Video recording - 2.08 hours (LCD Monitor on) Voice recording - 1.92 hours (EVF on) |
Photo shooting - 280 shots Video recording - 70 minutes |
| CONNECTIONS | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Sigma fp |
|---|
| Interface | HDMI, USB 3.1, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 | HDMI, USB 3.1 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view, Wireless Image Transfer | - |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | - |
| Tripod Mount Connection Point | - | 3 x 1/4" sockets |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | 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 3.2 Gen 1 (USB Type-C) HDMI output (19 pin micro HDMI Type D) Microphone / remote control (mini-phone stereo 3.5 mm) |
| FEATURES | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Sigma fp |
|---|
| Self-Timer Delay | 10 sec, 2sec, 5 sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 8 frames per second, 10 frames per second | 3 frames per second, 5 frames per second, 18 frames per second |
| HDR Mode | Auto HDR mode | Multi Frame HDR mode |
| Additional Features | Built-in speaker, sharpness control, digital image rotation, camera orientation detection, histogram display, saturation control, shadow point display, highlight point display, takes photos while film recording, contrast control, Dynamic Range Optimizer, USB charging, built-in help guide, Dolby Digital Stereo Creator, Intelligent AUTO (iAUTO), Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, high ISO speed noise reduction, PlayMemories Camera Apps support, silent shooting, BRAVIA Sync function, PhotoTV HD, GPS via mobile, S-Log2 gamma setting, peripheral shading correction, chromatic aberration correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting | Built-in speaker, AE lock, AF lock, USB charging, Bayer mosaic RGB filter, no Optical Low Pass Filter (OLFP) |
| OTHERS | Sony Alpha7 III ILCE-7M3K + FE 28-70mm OSS | Sigma fp |
|---|
| Included Accessories | Eyepiece cover, lens hood, dust cap, body cap, shoulder strap, AC power adaptor, shoe cap, micro-USB cable | Carrying strap, body cap, AC power adaptor, USB cable, strap holder, hot shoe unit |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
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