In depth comparison and review of Sony Alpha SLT-A58K + DT 18-55mm and Olympus OM-D E-M1. 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 Alpha SLT-A58K + DT 18-55mm | Olympus OM-D E-M1 |
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Product Type | Digital camera - SLR with Live View mode, movie recording | Digital camera - 1080p - mirrorless system |
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Lens Included | DT 18-55mm lens | Body only |
Height | 9.55 cm | 9.35 cm |
Width | 12.86 cm | 13.04 cm |
Depth | 7.77 cm | 6.31 cm |
Weight | 492 g | 443 g |
Body Material | - | Magnesium alloy |
Enclosure Colour | Black | Silver | Black |
Protection | - | Splashproof, freezeproof, dust-resistant |
Optical Zoom | 3x | - |
SENSOR | Sony Alpha SLT-A58K + DT 18-55mm | Olympus OM-D E-M1 |
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Sensor Resolution | 20.1 Megapixel | 16.3 Megapixel |
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Optical Sensor Type | Exmor APS HD CMOS | Live MOS |
Total Pixels | 20,400,000 pixels | 16,800,000 pixels |
Effective Sensor Resolution | 20,100,000 pixels | 16,300,000 pixels |
Optical Sensor Size | APS-C (23.2 x 15.4 mm) | Four Thirds (4/3") |
Sensor Features | Anti-Dust coating | - |
Image Stabiliser | Optical (SteadyShot INSIDE) | Optical (5-axis image sensor shift mechanism) |
Built-in Optical Image Stabiliser | Yes | Yes |
Sensors | - | Digital level metre |
PROCESSOR | Sony Alpha SLT-A58K + DT 18-55mm | Olympus OM-D E-M1 |
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Image Processor | BIONZ | TruePic VII |
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LENS | Sony Alpha SLT-A58K + DT 18-55mm | Olympus OM-D E-M1 |
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Type | Zoom lens - 3x zoom - 18 - 55 mm - f/3.5-5.6 DT SAM II - zoom | - |
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Focal Length Equivalent to 35mm Camera | 27 - 82.5mm | - |
Focus Adjustment | Automatic, manual | - |
Min Focus Distance | 25 cm | - |
Max View Angle | 76 degree(s) | - |
Zoom Adjustment | Manual | - |
Lens Construction | 7 groups / 8 elements | - |
Filter Size | 55 mm | - |
Lens Mounting Type | - | Micro Four Thirds |
Features | Aspherical lens, Smooth Autofocus Motor (SAM) | - |
FOCUSING | Sony Alpha SLT-A58K + DT 18-55mm | Olympus OM-D E-M1 |
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Auto Focus | TTL phase detection | TTL contrast and phase detection |
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Auto Focus Points (Zones) Qty | 15 | - |
Auto Focus Features | Manual Focus Check Live View | - |
AE/AF Control | Face-priority AF, Subject-tracking AF | Face-priority AF, Subject-tracking AF, Eye detection AF |
Face Detection | Face Detection AF/AE/FE/WB, Face Recognition, Smile Shutter | Yes |
VIEWFINDER | Sony Alpha SLT-A58K + DT 18-55mm | Olympus OM-D E-M1 |
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Viewfinder Type | Electronic - OLED | Built-in - electronic |
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Viewfinder Colour Support | Colour | Colour |
Viewfinder Diagonal Size | 0.5" | - |
Viewfinder Resolution | 1,440,000 pixels | 2,360,000 pixels |
Optical Viewfinder Field Coverage | 100% | 100% |
Optical Viewfinder Magnification | 0.88x | 1.48x |
Optical Viewfinder Dioptric Correction Range | -4 to +4 | -4 to +2 |
Field of View Crop Factor | 1.5 | 2 |
Features | Auto eye sensor | - |
EXPOSURE & WHITE BALANCE | Sony Alpha SLT-A58K + DT 18-55mm | Olympus OM-D E-M1 |
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ISO (Max) | 16000 | 25600 |
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Light Sensitivity | ISO auto, ISO 100-16000 | ISO 200-25600, ISO auto (200-25600) |
Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
Exposure Metering Zones | 1200 | 324 |
Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
Bracketing Modes | - | Art Filter bracketing, ISO sensitivity bracketing |
Shooting Programs | Landscape, portrait mode, macro, night portrait, sports mode, sunset, handheld twilight, Night View | 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 |
Special Effects | Black & White, Vivid, sunset, soft focus, landscape, portrait, miniature, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, HDR Painting, Rich-tone monochrome, Soft High-key | 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 |
White Balance | Custom, automatic, presets | Custom, automatic, presets |
White Balance Presets | Incandescent, fluorescent, cloudy, Flash, daylight, shade, 2500K - 9900K | Incandescent, fluorescent, cloudy, sunlight, Flash, shade, Underwater, 2000K - 14000K |
Max Shutter Speed | 1/4000 sec | 1/8000 sec |
Min Shutter Speed | 30 sec | 60 sec |
Exposure Compensation | ±3 EV range, in 1/3 EV steps | ±5 EV range, in 1, 1/2 or 1/3 EV steps |
Auto Exposure Bracketing | 5 steps in 1/3, 1/2, 2/3, 2 or 3 EV steps | - |
White Balance Bracketing | Yes | - |
X-sync Speed | 1/160 sec | - |
Exposure Range | - | EV 2-20 (ISO 100) |
DISPLAY | Sony Alpha SLT-A58K + DT 18-55mm | Olympus OM-D E-M1 |
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Type | 2.7" LCD display | 3" LCD display |
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Touch Screen | - | Yes |
Display Format | 460,800 pixels | 1,037,000 pixels |
Display Form Factor | Folding | Folding |
Display Features | Contrast control, display brightness control | Contrast control, display brightness control, display colour control |
FLASH | Sony Alpha SLT-A58K + DT 18-55mm | Olympus OM-D E-M1 |
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Camera Flash | Pop-up flash | Detachable flash |
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Guide Number (m / ISO 100) | 10 | 7 |
Flash Modes | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction | Fill-in mode, 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, flash exposure bracketing |
VIDEOGRAPHY / CAMCORDER | Sony Alpha SLT-A58K + DT 18-55mm | Olympus OM-D E-M1 |
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Digital Video Format | AVCHD, H.264 | AVI, MJPEG, H.264, MOV |
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Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG, MPO |
Max Video Resolution | 1920 x 1080 | 1920 x 1080 |
Surround Sound | Dolby Digital AC-3 (2 channel) recording | - |
Microphone Operation Mode | Stereo | Stereo |
Microphone Features | - | Wind noise reduction, sensitivity control |
MEMORY | Sony Alpha SLT-A58K + DT 18-55mm | Olympus OM-D E-M1 |
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Memory Card Slot | Memory Stick PRO Duo card, SD card | SD card |
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Supported Memory Cards | SD Memory Card, Memory Stick PRO Duo, SDXC Memory Card, Memory Stick PRO-HG Duo HX, SDHC Memory Card, Memory Stick PRO-HG Duo | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card |
Memory Card Included | - | No |
Included Memory Card | 8 GB SDHC | - |
Image Storage | 5456 x 3632 3872 x 2576 2736 x 1824 |
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 |
Video Capture | AVCHD - 1920 x 1080 - 50 fps - 24Mbps AVCHD - 1920 x 1080 - 50 fps - 17Mbps AVCHD - 1920 x 1080 - 25 fps - 24Mbps AVCHD - 1920 x 1080 - 25 fps - 17Mbps H.264 - 1440 x 1080 - 25 fps - 12Mbps |
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 |
BATTERY AND CHARGING | Sony Alpha SLT-A58K + DT 18-55mm | Olympus OM-D E-M1 |
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Battery Type | Sony NP-FM500H Lithium Ion - manufacturer-specific | Olympus BLN-1 Lithium Ion |
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Details | 1 x Sony NP-FM500H Li-ion rechargeable battery - 1600 mAh (included) | Olympus BLN-1 Li-ion rechargeable battery (included) |
Battery Life | Photo shooting - 690 shots (EVF on) Photo shooting - 700 shots (LCD Monitor on) |
Photo shooting - 250 shots |
CONNECTIONS | Sony Alpha SLT-A58K + DT 18-55mm | Olympus OM-D E-M1 |
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Interface | HDMI, USB 2.0 | Composite video/audio, HDMI, USB 2.0, Wireless LAN |
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Connectivity Features | - | Remote control via mobile devices, remote live view |
Print Standard | DPOF support, Exif Print support, PRINT Image Matching | DPOF support, Exif Print support, PRINT Image Matching |
Flash Terminal | Hot shoe | Hot shoe |
Connector Type | HDMI output USB 2.0 |
USB 2.0 Composite video/audio output HDMI output (19 pin micro HDMI Type D) Microphone Accessory port |
FEATURES | Sony Alpha SLT-A58K + DT 18-55mm | Olympus OM-D E-M1 |
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Self-Timer Delay | 10 sec, 2sec | 2sec, 12sec |
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Continuous Shooting Speed | 8 frames per second | 10 frames per second, 6.5 frames per second |
Additional Features | RGB primary colour filter, depth-of-field preview button, sharpness control, digital image rotation, camera orientation detection, histogram display, saturation control, Sweep Panorama technology, shadow point display, highlight point display, Dynamic Range Optimizer, built-in help guide, automatic display brightness adjustment, Multi-Frame Noise Reduction, Intelligent AUTO (iAUTO), AUTO+ (Advanced AUTO) mode, Superior Auto mode, noise reduction over long exposures, high ISO speed noise reduction, BRAVIA Sync function, Auto Object Framing, Translucent Mirror technology | 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 |
OTHERS | Sony Alpha SLT-A58K + DT 18-55mm | Olympus OM-D E-M1 |
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Included Accessories | Battery charger, dust cap, body cap, lens cap, carrying case, shoulder strap, USB cable, DVD disc | Battery charger, body cap, shoulder strap, USB cable |
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Software | Sony PlayMemories Home, Sony Image Data Converter 4.0 | Drivers & Utilities, Olympus Viewer 3 |
Max Operating Temperature | 40 °C | 40 °C |
Min Operating Temperature | 0 °C | -10 °C |