| key specs | 
| Camera Type | DSLR Camera | DSLR Camera | 
| Effective Pixels | 12.3 MP | 18 MP | 
| Sensor Type | MOS | CMOS | 
| Display Type | LCD | TFT | 
| Display Size | 3 inch | 2.7 inch | 
| Battery Type | Lithium ion | Lithium ion | 
| Touchscreen | - | No | 
| general | 
| Brand | Olympus | Canon | 
| Model | Pen E 12.3MP DSLR Camera | EOS 3000D 18.0MP DSLR Camera | 
| Model Name | Pen E | EOS 3000D | 
| Model Number | E-PM1 | EOS 3000D | 
| Series | Pen | - | 
| Color | Silver & Black | Black | 
| Type | DSLR Camera | DSLR Camera | 
| Effective Pixels | 12.3 MP | 18 MP | 
| Dimensions(WxHxD) | 109.5 x 63.7 x 34 mm | 129 x 101.6 x 77.1 mm | 
| Weight | 265 GM | 475 GM | 
| Wide Angle | Yes | - | 
| Temperature | 0 to 40 | 0 to 40 | 
| SLR Variant | - | Single Kit With 18-55 Lens 16 Gb Memory Card & Carry Case | 
| Tripod Socket | - | Yes | 
| sensor features | 
| Sensor Type | MOS | CMOS | 
| Sensor Size | 33.86 mm | 22.3 x 14.9mm | 
| ISO Rating | ISO 200 - 12800 | - | 
| Maximum ISO | 12800 ISO | 6400 ISO | 
| Maximum FPS | 5.5 | - | 
| Sensor Technology | High Speed Live MOS | - | 
| 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 | 35x | 
| Aperture Range | F3.5 - F5.6 | - | 
| Color Filter | Primary RGB Color Filter | - | 
| Lens Mount | - | Canon EF Mount | 
| Dust Reduction | - | Yes | 
| focus features | 
| Focus Mode | Auto, Manual | - | 
| Auto Focus | 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 | - | 
| Other Focus Features | TTL Contrast Detection | - | 
| shutter features | 
| Shutter Speed | 1/4000 sec | 1/4000 sec | 
| Self-timer | Yes | Yes | 
| flash features | 
| Built-in Flash | 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 | - | 
| image features | 
| Image Format | RAW, JPEG, RAW+JPEG, MPO 3D Still | JPEG, RAW 14-bit Canon original | 
| Aspect Ratio | 43, 32, 169, 66, 34 | - | 
| Red Eye Reduction | Yes | - | 
| Image Stabilizer | Yes | - | 
| Image Sizing | 4032 x 3024 | - | 
| Still Image Size | 4032 x 3024 | - | 
| display features | 
| Display Type | LCD | TFT | 
| 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 | 
| connectivity features | 
| HDMI | Yes | - | 
| USB | Yes | - | 
| GPS | - | No | 
| Wifi | - | Yes | 
| 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 | - | 
| Audio Video Interface | Video Output NTSC, PAL | - | 
| Video Resolution | - | 1920 x 1080 | 
| Video Quality | - | Full HD | 
| modes and functions features | 
| HD Support | Yes | 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 | - | 
| viewfinder features | 
| Viewfinder Coverage | - | 95% |