In depth comparison and review of Olympus OM-D E-M1 and Sony Alpha SLT-A58. 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 | Olympus OM-D E-M1 | Sony Alpha SLT-A58 |
|---|
| Product Type | Digital camera - 1080p - mirrorless system | Digital camera - SLR with Live View mode, movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.35 cm | 9.55 cm |
| Width | 13.04 cm | 12.86 cm |
| Depth | 6.31 cm | 7.77 cm |
| Weight | 443 g | 492 g |
| Body Material | Magnesium alloy | - |
| Enclosure Colour | Silver | Black | Black |
| Protection | Splashproof, freezeproof, dust-resistant | - |
| SENSOR | Olympus OM-D E-M1 | Sony Alpha SLT-A58 |
|---|
| Sensor Resolution | 16.3 Megapixel | 20.1 Megapixel |
|---|---|---|
| Optical Sensor Type | Live MOS | Exmor APS HD CMOS |
| Total Pixels | 16,800,000 pixels | 20,400,000 pixels |
| Effective Sensor Resolution | 16,300,000 pixels | 20,100,000 pixels |
| Optical Sensor Size | Four Thirds (4/3") | APS-C (23.2 x 15.4 mm) |
| Sensor Dust Reduction | - | Yes |
| Sensor Features | - | Dust Reduction (image sensor vibration), Anti-Dust coating |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | Optical (SteadyShot INSIDE) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Digital level metre | - |
| PROCESSOR | Olympus OM-D E-M1 | Sony Alpha SLT-A58 |
|---|
| Image Processor | TruePic VII | BIONZ |
|---|
| LENS | Olympus OM-D E-M1 | Sony Alpha SLT-A58 |
|---|
| Lens Mounting Type | Micro Four Thirds | - |
|---|
| FOCUSING | Olympus OM-D E-M1 | Sony Alpha SLT-A58 |
|---|
| Auto Focus | TTL contrast and phase detection | TTL phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | - | 15 |
| Auto Focus Features | - | Manual Focus Check Live View |
| AE/AF Control | Face-priority AF, Subject-tracking AF, Eye detection AF | Face-priority AF, Subject-tracking AF |
| Face Detection | Yes | Face Detection AF/AE/FE/WB, Face Recognition, Smile Shutter |
| VIEWFINDER | Olympus OM-D E-M1 | Sony Alpha SLT-A58 |
|---|
| Viewfinder Type | Built-in - electronic | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | - | 0.5" |
| Viewfinder Resolution | 2,360,000 pixels | 1,440,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 1.48x | 0.88x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -4 to +4 |
| Field of View Crop Factor | 2 | 1.5 |
| Features | - | Auto eye sensor |
| EXPOSURE & WHITE BALANCE | Olympus OM-D E-M1 | Sony Alpha SLT-A58 |
|---|
| ISO (Max) | 25600 | 16000 |
|---|---|---|
| Light Sensitivity | ISO 200-25600, ISO auto (200-25600) | ISO auto, ISO 100-16000 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 324 | 1200 |
| 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, 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 | Landscape, portrait mode, macro, night portrait, sports mode, sunset, handheld twilight, Night View |
| 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 | 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 |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, fluorescent, cloudy, sunlight, Flash, shade, Underwater, 2000K - 14000K | Incandescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), 2500K - 9900K, fluorescent light (daylight white) |
| Max Shutter Speed | 1/8000 sec | 1/4000 sec |
| Min Shutter Speed | 60 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1, 1/2 or 1/3 EV steps | ±3 EV range, in 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) | EV -2-17 (ISO 100) |
| DISPLAY | Olympus OM-D E-M1 | Sony Alpha SLT-A58 |
|---|
| Type | 3" LCD display | 2.7" LCD display |
|---|---|---|
| Touch Screen | Yes | - |
| Display Format | 1,037,000 pixels | 460,800 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Contrast control, display brightness control, display colour control | Contrast control, display brightness control |
| FLASH | Olympus OM-D E-M1 | Sony Alpha SLT-A58 |
|---|
| Camera Flash | Detachable flash | Pop-up flash |
|---|---|---|
| Guide Number (m / ISO 100) | 7 | 10 |
| 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 | Olympus OM-D E-M1 | Sony Alpha SLT-A58 |
|---|
| Digital Video Format | AVI, MJPEG, H.264, MOV | AVCHD, H.264 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG, MPO | 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 | Stereo | Stereo |
| Microphone Features | Wind noise reduction, sensitivity control | - |
| MEMORY | Olympus OM-D E-M1 | Sony Alpha SLT-A58 |
|---|
| Memory Card Slot | SD card | Memory Stick PRO Duo card, SD card |
|---|---|---|
| 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, Memory Stick PRO Duo, SDXC Memory Card, Memory Stick PRO-HG Duo HX, SDHC Memory Card, Memory Stick PRO-HG Duo |
| 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 |
5456 x 3632 3872 x 2576 2736 x 1824 |
| 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 |
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 |
| BATTERY AND CHARGING | Olympus OM-D E-M1 | Sony Alpha SLT-A58 |
|---|
| Battery Type | Olympus BLN-1 Lithium Ion | Sony NP-FM500H Lithium Ion |
|---|---|---|
| Details | Olympus BLN-1 Li-ion rechargeable battery (included) | Sony NP-FM500H Li-ion rechargeable battery - 1600 mAh (included) |
| Battery Life | Photo shooting - 250 shots | Photo shooting - 690 shots (EVF on) Photo shooting - 700 shots (LCD Monitor on) |
| CONNECTIONS | Olympus OM-D E-M1 | Sony Alpha SLT-A58 |
|---|
| Interface | Composite video/audio, HDMI, USB 2.0, Wireless LAN | HDMI, USB 2.0 |
|---|---|---|
| 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 | USB 2.0 Composite video/audio output HDMI output (19 pin micro HDMI Type D) Microphone Accessory port |
HDMI output (19 pin micro HDMI Type D) USB 2.0 (5 pin Micro-USB Type B) Microphone (mini-phone stereo 3.5 mm) |
| FEATURES | Olympus OM-D E-M1 | Sony Alpha SLT-A58 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 10 frames per second, 6.5 frames per second | 8 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 | 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 |
| OTHERS | Olympus OM-D E-M1 | Sony Alpha SLT-A58 |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable | Battery charger, body cap, shoulder strap, eyecup, micro-USB cable |
|---|---|---|
| Software | Drivers & Utilities, Olympus Viewer 3 | Sony PlayMemories Home, Sony Image Data Converter 4.0 |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
| Service & Support | - | Limited warranty - 1 year |
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