| key specs | 
| Camera Type | DSLR Camera | DSLR Camera | 
| Effective Pixels | 12.3 MP | 20.1 MP | 
| Sensor Type | MOS | CCD | 
| Display Type | LCD | - | 
| Display Size | 3 inch | 2.7 inch | 
| Battery Type | Lithium ion | Lithium ion | 
| Touchscreen | - | No | 
| general | 
| Brand | Olympus | Sony | 
| Model | Pen E 12.3MP DSLR Camera | SLT A58Y 20.1MP DSLR Camera | 
| Model Name | Pen E | SLT A58Y | 
| Model Number | E-PM1 | Alpha SLT-A58Y | 
| Series | Pen | - | 
| Color | Silver & Black | Black | 
| Type | DSLR Camera | DSLR Camera | 
| Effective Pixels | 12.3 MP | 20.1 MP | 
| Dimensions(WxHxD) | 109.5 x 63.7 x 34 mm | 95.5 x 128.6 x 77.7 mm | 
| Weight | 265 GM | 492 GM | 
| Wide Angle | Yes | - | 
| Temperature | 0 to 40 | 0 to 40 | 
| SLR Variant | - | Body With Dt 18 - 55 Mm F3.5 - 5.6 Sam Ii And Dt 55 - 200 Mm F4 - 5.6 Sam | 
| Tripod Socket | - | Yes | 
| Ports | - | HDMI output Type C mini-pin connector | 
| sensor features | 
| Sensor Type | MOS | CCD | 
| Sensor Size | 33.86 mm | 23.6 x 15.6 mm | 
| ISO Rating | ISO 200 - 12800 | - | 
| Maximum ISO | 12800 ISO | - | 
| Maximum FPS | 5.5 | - | 
| Sensor Technology | High Speed Live MOS | - | 
| Other Sensor Features | - | Type CMOS with Primary Color Filter, Dust Reduction Charge Protection Coating on Image Sensor and Image Sensor Shift Mechanism | 
| lens features | 
| Lens Type | Zoom Lens | - | 
| Lens Construction | 8 Elements in 7 Groups | - | 
| Focal Length | 14 mm - 42 mm 35 mm Equivalent to 28 - 84 mm | - | 
| Optical Zoom | 3x | 3x | 
| Aperture Range | F3.5 - F5.6 | - | 
| Color Filter | Primary RGB Color Filter | Primary RGB Color Filter | 
| Lens Mount | - | Sony A-mount, Minolta / Konica Minolta Lenses | 
| Manual Focus | - | Yes | 
| Dust Reduction | - | Yes | 
| focus features | 
| Focus Mode | Auto, Manual | Single-shot AF AF-S, Continuous AF AF-C, Automatic AF AF-A | 
| Auto Focus | Yes | Yes | 
| Metering Modes | TTL 324 Zones Multi-pattern, ESP Light Metering, Spot Metering, Centre Weighted Metering | - | 
| White Balancing | Auto, Preset Daylight, Lamp, Fluorescent, Flash, Cloudy, Shade, Underwater WB | Auto WB, Daylight, Shade, Cloudy, Incandescent, Fluorescent, Flash, C.Tem , C.Filter , Custom | 
| Other Focus Features | TTL Contrast Detection | Focus Areas Selection Wide Area 15-point Local Frame Selection Zone, Spot, Local Selectable, Predictive Focus for Moving Subjects, Auto Focus Lock, Eye-start AF, Sensitivity Range EV -1 to 18 ISO100 Equivalent, F2.8 Lens Aattached, AF Illuminator Built-in, Flash Type 1 - 5 m, 15-points AF System with 3 Cross Sensors | 
| shutter features | 
| Shutter Speed | 1/4000 sec | 1/4000 sec | 
| Self-timer | Yes | No | 
| Shutter Type | - | Electronically-controlled, Vertical-traverse, Focal-plane | 
| flash features | 
| Built-in Flash | Yes | Yes | 
| External Flash | Yes | - | 
| Flash Modes | Auto, Manual Full, 1/4, 1/16, 1/64, Red-eye Reduction, Slow Sync with Red-eye Reduction, Slow Sync, Slow Sync 2nd Curtain, Fill-in, Off | Flash Off, Auto Flash, Fill-flash, Slow Sync, Red-eye Reduction On / Off Selectable | 
| Flash Compensation | - | 2 to +2 EV 0.3 EV Steps | 
| Other Flash Features | - | Auto Pop-up, Built-in Flash, Guide Number 10 Meters at ISO 100, Recycling Time 4 sec | 
| image features | 
| Image Format | RAW, JPEG, RAW+JPEG, MPO 3D Still | JPEG DCF 2.0, EXIF 2.3, MPF Baseline Compliant, RAW Sony ARW 2.3 | 
| Aspect Ratio | 43, 32, 169, 66, 34 | 32, 169 | 
| Red Eye Reduction | Yes | - | 
| Image Stabilizer | Yes | - | 
| Image Sizing | 4032 x 3024 | - | 
| Still Image Size | 4032 x 3024 | - | 
| HDR Support | - | Yes | 
| display features | 
| Display Type | LCD | - | 
| Display Size | 3 inch | 2.7 inch | 
| Display Resolution | 460,000 dots | - | 
| LCD Display | LCD, Anti-reflection Coating | - | 
| LCD Display Image Resolution | 460000 dots | - | 
| LCD Display Video Resolution | 1920 x 1080 | - | 
| Touch Screen | - | No | 
| Other Display Features | - | 100% Field View, Coverage 100%, 1200 Zone Evaluative Metering | 
| connectivity features | 
| HDMI | Yes | - | 
| USB | Yes | - | 
| Wifi | - | No | 
| storage and power features | 
| Upgradable Memory | Yes | - | 
| Card Type | SD / SDHC / SDXC / UHS-I | - | 
| Battery Type | Lithium ion | Lithium ion | 
| audio and video features | 
| Microphone | Stereo | - | 
| Audio Features | Dolby Digital, WAV | - | 
| Video Format | AVCHD, AVI Motion JPEG | AVCHD 2.0, MP4 | 
| Audio Video Interface | Video Output NTSC, PAL | - | 
| Video Resolution | - | 1920 x 1080 | 
| modes and functions features | 
| HD Support | Yes | - | 
| Shooting Modes | Portrait, e-Portrait, Landscape, Landscape with Portrait, Macro, Sport, Night Scene, Night with Portrait, Children, High Key, Low Key, DIS Mode, Nature Macro, Candle, Sunset, Document, Panorama, Fireworks, Beach and Snow, Fisheye Conv, Wide Conv, Macro Conv, 3D | - | 
| Macro Mode | Yes | - | 
| Scene Modes | - | Portrait, Landscape, Macro, Sports Action, Sunset, Night Portrait, Night Scene, Hand-held Twilight | 
| viewfinder features | 
| View Finder | - | Yes | 
| View Finder Type | - | 1.0 cm 0.39 Type Electronic Viewfinder Color, Xtra Fine | 
| Other Viewfinder Features | - | 1.0 cm 0.39 Type, Electronic Viewfinder Color, Xtra Fine, Diopter Control -4.0 to +4.0 m | 
| exposure features | 
| Exposure Mode | - | Automatic | 
| Exposure Compensation | - | Still images -3 to +3 EV 0.3 EV Steps, Movies -2 to +2 EV 0.3 EV Steps | 
| Manual Exposure | - | Yes |