Detailed comparison and review of Olympus OM-D E-M1 and Nikon D7100 + AF-S DX 18-105mm VR. With our comprehensive overview, you can simply compare design, sensors, proximity characteristics, memory capacities, but also other key features of both cameras and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the camera that best fits your needs and expectations.
DESIGN AND DIMENSIONS | Olympus OM-D E-M1 | Nikon D7100 + AF-S DX 18-105mm VR |
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Product Type | Digital camera - 1080p - mirrorless system | Digital camera - SLR with Live View mode, movie recording |
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Lens Included | Body only | AF-S DX 18-105mm VR lens |
Height | 9.35 cm | 10.65 cm |
Width | 13.04 cm | 13.55 cm |
Depth | 6.31 cm | 7.6 cm |
Weight | 443 g | 675 g |
Body Material | Magnesium alloy | Magnesium alloy |
Enclosure Colour | Silver | Black | - |
Protection | Splashproof, freezeproof, dust-resistant | Splashproof, dust-resistant |
Optical Zoom | - | 5.8x |
SENSOR | Olympus OM-D E-M1 | Nikon D7100 + AF-S DX 18-105mm VR |
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Sensor Resolution | 16.3 Megapixel | 24.1 Megapixel |
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Optical Sensor Type | Live MOS | CMOS |
Total Pixels | 16,800,000 pixels | 24,710,000 pixels |
Effective Sensor Resolution | 16,300,000 pixels | 24,100,000 pixels |
Optical Sensor Size | Four Thirds (4/3") | APS-C (23.5 x 15.6 mm) |
Sensor Dust Reduction | - | Yes |
Sensor Features | - | Self Cleaning Sensor Unit |
Image Stabiliser | Optical (5-axis image sensor shift mechanism) | Optical |
Built-in Optical Image Stabiliser | Yes | - |
Sensors | Digital level metre | Digital level metre |
PROCESSOR | Olympus OM-D E-M1 | Nikon D7100 + AF-S DX 18-105mm VR |
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Image Processor | TruePic VII | EXPEED 3 |
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LENS | Olympus OM-D E-M1 | Nikon D7100 + AF-S DX 18-105mm VR |
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Type | - | Zoom lens - 5.8x zoom - 18 - 105 mm - f/3.5-5.6 G Nikon AF-S DX ED VR |
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Focus Adjustment | - | Automatic, manual |
Min Focus Distance | - | 45 cm |
Max View Angle | - | 76 degree(s) |
Zoom Adjustment | - | Manual |
Lens Construction | - | 11 groups / 15 elements |
Filter Size | - | 67 mm |
Lens Mounting Type | Micro Four Thirds | Nikon F |
Features | - | ED glass, Silent Wave Motor (SWM), aspherical lens, VR (Vibration Reduction) |
FOCUSING | Olympus OM-D E-M1 | Nikon D7100 + AF-S DX 18-105mm VR |
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Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
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Auto Focus Points (Zones) Qty | - | 51 |
AE/AF Control | Face-priority AF, Subject-tracking AF, Eye detection AF | Dynamic-area AF, 3D-tracking AF, Auto-area AF, Face-priority AF, Subject-tracking AF |
Face Detection | Yes | Face-priority AF function |
VIEWFINDER | Olympus OM-D E-M1 | Nikon D7100 + AF-S DX 18-105mm VR |
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Viewfinder Type | Built-in - electronic | Optical - fixed eye-level pentaprism |
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Viewfinder Colour Support | Colour | - |
Viewfinder Resolution | 2,360,000 pixels | - |
Optical Viewfinder Field Coverage | 100% | 100% |
Optical Viewfinder Magnification | 1.48x | 0.94x |
Optical Viewfinder Dioptric Correction Range | -4 to +2 | -2 to +1 |
Viewfinder Frames | - | Autofocus frame |
Field of View Crop Factor | 2 | 1.5 |
EXPOSURE & WHITE BALANCE | Olympus OM-D E-M1 | Nikon D7100 + AF-S DX 18-105mm VR |
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ISO (Max) | 25600 | 25600 |
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Light Sensitivity | ISO 200-25600, ISO auto (200-25600) | ISO auto, ISO 12800, ISO 25600, ISO 100-6400 |
Exposure Metering | Multi-segment, centre-weighted, spot | Centre-weighted, 3D colour matrix II, colour matrix II, spot (2.5%) |
Exposure Metering Zones | 324 | - |
Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, i-TTL program flash |
Bracketing Modes | Art Filter bracketing, ISO sensitivity bracketing | - |
Shooting Programs | Landscape, portrait mode, macro, beach/snow, landscape-portrait, Children, fireworks, 3D image, panorama assist, night scene, sports mode, sunset, candle, high key, night scene with portrait, anti shake, low key, documents, nature macro, e-portrait, fisheye converter, wide converter, macro converter | Autumn colour, landscape, portrait mode, close-up, party/indoor, beach/snow, night portrait, PET, Children, food, night landscape, dawn/dusk, sports mode, sunset, candle, blossom |
Special Effects | Black & White, Sepia, soft focus, Water Colour, Diorama, Cross Process, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Key Line, Star Light, Defocus, White Edge | Neutral, Vivid, monochrome, landscape, portrait, miniature, HDR, Silhouette, Colour sketch, Colour outline, Perspective Control, Selective Colour, High Key, Night Vision, Low Key, Image Overlay, Quick retouch |
White Balance | Custom, automatic, presets | Custom, automatic, presets |
White Balance Presets | Incandescent, fluorescent, cloudy, sunlight, Flash, shade, Underwater, 2000K - 14000K | Incandescent, fluorescent, cloudy, sunlight, Flash, shade, 2500K - 10000K |
Max Shutter Speed | 1/8000 sec | 1/8000 sec |
Min Shutter Speed | 60 sec | 30 sec |
Exposure Compensation | ±5 EV range, in 1, 1/2 or 1/3 EV steps | ±5 EV range, in 1/2 or 1/3 EV steps |
Auto Exposure Bracketing | - | 5 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps |
White Balance Bracketing | - | Yes |
X-sync Speed | - | 1/250sec |
Exposure Range | EV 2-20 (ISO 100) | EV 0-20 (ISO 100) |
DISPLAY | Olympus OM-D E-M1 | Nikon D7100 + AF-S DX 18-105mm VR |
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Type | 3" LCD display | 3.2" LCD display |
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Touch Screen | Yes | - |
Display Format | 1,037,000 pixels | 1,228,800 pixels |
Display Form Factor | Folding | Built-in |
Display Features | Contrast control, display brightness control, display colour control | Display brightness control |
FLASH | Olympus OM-D E-M1 | Nikon D7100 + AF-S DX 18-105mm VR |
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Camera Flash | Detachable flash | Pop-up flash |
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Guide Number (m / ISO 100) | 7 | 12 |
Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction | Fill-in mode, FP flash (high-speed synchro), rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction |
Red-Eye Reduction | Yes | Yes |
Features | AF illuminator, flash +/- compensation, wireless off-camera control, flash exposure bracketing | AF illuminator, flash +/- compensation, wireless off-camera control |
VIDEOGRAPHY / CAMCORDER | Olympus OM-D E-M1 | Nikon D7100 + AF-S DX 18-105mm VR |
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Digital Video Format | AVI, MJPEG, H.264, MOV | H.264, MOV |
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Image Recording Format | JPEG, RAW, RAW + JPEG, MPO | JPEG, RAW + JPEG, NEF (RAW) |
Max Video Resolution | 1920 x 1080 | 1920 x 1080 |
Microphone Operation Mode | Stereo | Stereo |
Microphone Features | Wind noise reduction, sensitivity control | Sensitivity control |
MEMORY | Olympus OM-D E-M1 | Nikon D7100 + AF-S DX 18-105mm VR |
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Memory Card Slot | SD card | Dual SD card |
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Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory 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 |
Memory Card | - | 8 GB SDHC |
Memory Card Included | No | - |
Image Storage | RAW 4608 x 3456 - 17 MB JPEG 4608 x 3456 - 7.5 MB JPEG 4608 x 3456 - 3.5 MB JPEG 2560 x 1920 - 1.1 MB |
6000 x 4000 - DX format 6000 x 3368 - DX-format in movie live view mode (16:9) 4800 x 3200 - 1.3x crop 4800 x 2696 - 1.3x crop in movie live view mode (16:9) 4494 x 3000 - DX format 4496 x 2528 - DX-format in movie live view mode (16:9) 3600 x 2400 - 1.3x crop 3600 x 2024 - 1.3x crop in movie live view mode (16:9) 2992 x 2000 - DX format 2992 x 1680 - DX-format in movie live view mode (16:9) 2400 x 1600 - 1.3x crop 2400 x 1344 - 1.3x crop in movie live view mode (16:9) |
Video Capture | MOV - 1920 x 1080 - 30 fps - 24Mbps MOV - 1920 x 1080 - 30 fps - 16Mbps MOV - 1280 x 720 - 30 fps - 12Mbps MOV - 1280 x 720 - 30 fps - 8Mbps MJPEG - 1280 x 720 - 30 fps MJPEG - 640 x 480 - 30 fps |
H.264 - 1920 x 1080 - 60 fps H.264 - 1920 x 1080 - 50 fps H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps H.264 - 1280 x 720 - 60 fps H.264 - 1280 x 720 - 50 fps |
BATTERY AND CHARGING | Olympus OM-D E-M1 | Nikon D7100 + AF-S DX 18-105mm VR |
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Battery Type | Olympus BLN-1 Lithium Ion | Nikon EN-EL15 Lithium Ion |
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Details | Olympus BLN-1 Li-ion rechargeable battery (included) | Nikon EN-EL15 Li-ion rechargeable battery (included) |
Battery Life | Photo shooting - 250 shots | Photo shooting - 950 shots |
CONNECTIONS | Olympus OM-D E-M1 | Nikon D7100 + AF-S DX 18-105mm VR |
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Interface | Composite video/audio, HDMI, USB 2.0, Wireless LAN | HDMI, USB 2.0 |
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Connectivity Features | Remote control via mobile devices, remote live view | Wi-Fi ready |
Print Standard | DPOF support, Exif Print support, PRINT Image Matching | Direct print, DPOF support, Exif Print support, PictBridge support |
Flash Terminal | Hot shoe | Hot shoe |
Connector Type | USB 2.0 Composite video/audio output HDMI output (19 pin micro HDMI Type D) Microphone Accessory port |
USB 2.0 HDMI output Remote control Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
FEATURES | Olympus OM-D E-M1 | Nikon D7100 + AF-S DX 18-105mm VR |
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Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec, 5 sec, 20sec |
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Continuous Shooting Speed | 10 frames per second, 6.5 frames per second | 6 frames per second, 7 frames per second |
Additional Features | Audio recording, built-in speaker, RGB primary colour filter, auto power save, sharpness control, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, in-camera red-eye fix, interval shooting mode, face detection, Shadow Adjustment Technology, in-camera RAW processing, Full-time Live View, Intelligent AUTO (iAUTO), Eye-Fi Card Ready, Touch Shutter technology, GPS via mobile | Date/time stamp, depth-of-field preview button, digital image rotation, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, GPS ready, in-camera red-eye fix, interval shooting mode, highlight point display, in-camera film editing, Active D-Lighting technology, Dust Delete Data system, Scene Recognition System (SRS), automatic display brightness adjustment, Chromatic Aberration Compensation (CAC), Eye-Fi Card Ready, High ISO NR, no anti-aliasing filter, noise reduction over long exposures, Lens Distortion Correction |
OTHERS | Olympus OM-D E-M1 | Nikon D7100 + AF-S DX 18-105mm VR |
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Included Accessories | Battery charger, body cap, shoulder strap, USB cable | Eyepiece cover, lens hood, battery charger, dust cap, body cap, lens cap, neck strap, carrying case, USB cable, eyecup, shoe cap |
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Software | Drivers & Utilities, Olympus Viewer 3 | Drivers & Utilities, Nikon ViewNX 2 |
Max Operating Temperature | 40 °C | 40 °C |
Min Operating Temperature | -10 °C | 0 °C |