Side by side comparison and review of Nikon D3100 + AF-S VR DX 18-55mm and Sony Alpha7s ILCE-7S. 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 | Nikon D3100 + AF-S VR DX 18-55mm | Sony Alpha7s ILCE-7S |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 1080p - mirrorless system |
|---|---|---|
| Lens Included | AF-S VR DX 18-55mm lens | Body only |
| Height | 9.6 cm | 9.44 cm |
| Width | 12.4 cm | 12.69 cm |
| Depth | 7.5 cm | 4.82 cm |
| Weight | 455 g | 446 g |
| Body Material | - | Magnesium alloy |
| Enclosure Colour | Black | Red | Black |
| Optical Zoom | 3x | - |
| SENSOR | Nikon D3100 + AF-S VR DX 18-55mm | Sony Alpha7s ILCE-7S |
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| Sensor Resolution | 14.2 Megapixel | 12.2 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | Exmor CMOS |
| Total Pixels | 14,800,000 pixels | 12,400,000 pixels |
| Effective Sensor Resolution | 14,200,000 pixels | 12,200,000 pixels |
| Optical Sensor Size | APS-C (23.1 x 15.4 mm) | Full Frame (35.8 x 23.9 mm) |
| Frame Rate (Max Resolution) | - | 60 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Air flow control system, Self Cleaning Sensor Unit | Dust Reduction (image sensor vibration), Anti-Dust coating |
| Image Stabiliser | Optical | - |
| PROCESSOR | Nikon D3100 + AF-S VR DX 18-55mm | Sony Alpha7s ILCE-7S |
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| Image Processor | EXPEED 2 | BIONZ X |
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| LENS | Nikon D3100 + AF-S VR DX 18-55mm | Sony Alpha7s ILCE-7S |
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| Type | Zoom lens - 3x zoom - 18 - 55 mm - f/3.5-5.6 G Nikon AF-S DX VR | - |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | 27 - 82.5mm | - |
| Focus Adjustment | Automatic, manual | - |
| Min Focus Distance | 28 cm | - |
| Max View Angle | 76 degree(s) | - |
| Zoom Adjustment | Manual | - |
| Lens Construction | 8 groups / 11 elements | - |
| Filter Size | 52 mm | - |
| Lens Mounting Type | Nikon F | Sony E-mount |
| Features | Silent Wave Motor (SWM), aspherical lens, VR (Vibration Reduction) | - |
| FOCUSING | Nikon D3100 + AF-S VR DX 18-55mm | Sony Alpha7s ILCE-7S |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 11 | 25 |
| Face Detection | Face-priority AF function | - |
| VIEWFINDER | Nikon D3100 + AF-S VR DX 18-55mm | Sony Alpha7s ILCE-7S |
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| Viewfinder Type | Optical - eye-level penta-dach mirror | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.5" |
| Viewfinder Resolution | - | 2,359,296 pixels |
| Optical Viewfinder Field Coverage | 95% | 100% |
| Optical Viewfinder Magnification | 0.8x | 0.71x |
| Optical Viewfinder Dioptric Correction Range | -1.7 to +0.5 | -4 to +3 |
| Field of View Crop Factor | 1.5 | - |
| Features | - | Viewfinder brightness control |
| EXPOSURE & WHITE BALANCE | Nikon D3100 + AF-S VR DX 18-55mm | Sony Alpha7s ILCE-7S |
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| ISO (Max) | 12800 | 409600 |
|---|---|---|
| Extended ISO (Max) | - | 409600 |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO 6400, ISO auto, ISO 100-3200, ISO 12800 | ISO 50, ISO 100-409600 |
| Exposure Metering | Centre-weighted, spot, 3D colour matrix II | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 420 | 1200 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, i-TTL program flash | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Dynamic Range Bracketing |
| Shooting Programs | Landscape, portrait mode, close-up, night portrait, Children, sports mode | - |
| Special Effects | Neutral, Vivid, monochrome, landscape, portrait | - |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, fluorescent, cloudy, sunlight, Flash, shade | Incandescent, cloudy, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight colour), fluorescent light (daylight white) |
| Shutter Type | - | Mechanical electronically-controlled |
| Max Shutter Speed | 1/4000 sec | 1/8000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1/3 EV steps | - |
| Auto Exposure Bracketing | - | 3 or 5 steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/200sec | - |
| Exposure Range | EV 0-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Nikon D3100 + AF-S VR DX 18-55mm | Sony Alpha7s ILCE-7S |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Display Format | 230,000 pixels | 921,600 pixels |
| Display Form Factor | Built-in | Folding |
| Display Features | Display brightness control | Display brightness control |
| FLASH | Nikon D3100 + AF-S VR DX 18-55mm | Sony Alpha7s ILCE-7S |
|---|
| Camera Flash | Pop-up flash | - |
|---|---|---|
| Guide Number (m / ISO 100) | 12 | - |
| Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction | - |
| Red-Eye Reduction | Yes | - |
| Features | AF illuminator, flash +/- compensation, wireless off-camera control | - |
| VIDEOGRAPHY / CAMCORDER | Nikon D3100 + AF-S VR DX 18-55mm | Sony Alpha7s ILCE-7S |
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| Digital Video Format | MOV | AVCHD, H.264, XAVC S |
|---|---|---|
| Image Recording Format | JPEG, RAW + JPEG, NEF (RAW) | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 1920 x 1080 |
| Surround Sound | - | Dolby Digital AC-3 (2 channel) recording |
| Microphone Operation Mode | Mono | Stereo |
| MEMORY | Nikon D3100 + AF-S VR DX 18-55mm | Sony Alpha7s ILCE-7S |
|---|
| Memory Card Slot | SD card | Memory Stick PRO Duo card, SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card | 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, Memory Stick XC-HG Duo |
| Included Memory Card | 8 GB SDHC | - |
| Image Storage | 4608 x 3072 3456 x 2304 2304 x 1536 |
JPEG 4240 x 2832 JPEG 2768 x 1848 JPEG 2128 x 1416 JPEG 1376 x 920 JPEG 4240 x 2384 JPEG 2768 x 1560 JPEG 2128 x 1200 JPEG 1376 x 776 |
| Video Capture | MOV - 1920 x 1080 - 24 fps MOV - 1280 x 720 - 30 fps MOV - 1280 x 720 - 25 fps MOV - 1280 x 720 - 24 fps MOV - 640 x 424 - 24 fps |
XAVC S - 1920 x 1080 - 50Mbps XAVC S - 1280 x 720 - 50Mbps AVCHD - 1920 x 1080 - 28Mbps AVCHD - 1920 x 1080 - 24Mbps AVCHD - 1920 x 1080 - 17Mbps AVCHD - 1920 x 1080 - 24Mbps AVCHD - 1920 x 1080 - 17Mbps H.264 - 1440 x 1080 - 12Mbps H.264 - 640 x 480 - 3Mbps |
| BATTERY AND CHARGING | Nikon D3100 + AF-S VR DX 18-55mm | Sony Alpha7s ILCE-7S |
|---|
| Battery Type | Nikon EN-EL14 Lithium Ion | Sony NP-FW50 Lithium Ion |
|---|---|---|
| Details | Nikon EN-EL14 Li-ion rechargeable battery (included) | Sony NP-FW50 Li-ion rechargeable battery - 1080 mAh (included) |
| Battery Life | Photo shooting - 550 shots | Photo shooting - 360 shots |
| CONNECTIONS | Nikon D3100 + AF-S VR DX 18-55mm | Sony Alpha7s ILCE-7S |
|---|
| Interface | Composite video/audio, HDMI, USB 2.0 | Composite video/audio, HDMI, USB 2.0, Wireless LAN, NFC (Near Field Communication) |
|---|---|---|
| Print Standard | Direct print, DPOF support, Exif Print support, PictBridge support | Direct print, Exif Print support, PictBridge support |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 HDMI output Composite video/audio output |
USB 2.0 HDMI output Composite video/audio output Microphone Headphones |
| FEATURES | Nikon D3100 + AF-S VR DX 18-55mm | Sony Alpha7s ILCE-7S |
|---|
| Self-Timer Delay | 10 sec, 2sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 3 frames per second | 2.5 frames per second, 5 frames per second |
| Additional Features | Date/time stamp, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, in-camera red-eye removal, cropping an image, GPS ready, LCD live view mode, highlight point display, Active D-Lighting technology, face detection, built-in help guide, Scene Recognition System (SRS), in-camera RAW processing, text input to Exif header | Built-in speaker, RGB primary colour filter, histogram display, Sweep Panorama technology, Dynamic Range Optimizer, peripheral illumination correction, Dolby Digital Stereo Creator, Chromatic Aberration Compensation (CAC), high-speed recording, Superior Auto mode, BRAVIA Sync function, PhotoTV HD, distortion correction function, Clean HDMI output for 4K movies |
| OTHERS | Nikon D3100 + AF-S VR DX 18-55mm | Sony Alpha7s ILCE-7S |
|---|
| Included Accessories | Eyepiece cover, battery charger, dust cap, body cap, lens cap, neck strap, carrying case, tripod, eyecup, shoe cap | Body cap, shoulder strap, additional battery, micro-USB cable, 2 battery chargers, 2 battery packs |
|---|---|---|
| Software | Nikon ViewNX 2 | Sony PlayMemories Home, Sony Image Data Converter 4.0 |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Service & Support | - | Limited warranty - parts and labour - 2 years |
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