| Name | Pen E-P3 |
| Manufacturer | Olympus |
| System | Micro Four Thirds |
| Announced | 2011-06-30 |
| Released | 2011-07-22 |
| Colors | black, white? |
| Megapixel | 12.3 |
| Form Factor | Rangefinder |
| Stabilisation | 2-axis |
| 3D lens support | NO |
| Hot Shoe | Hot Shoe |
| Orientation Sensor | YES |
| Function Lever | NO |
| Wifi | NONE |
| UMTS | NO |
| NFC | NO |
| GPS | NO |
| Battery Grip | NONE |
| Compatible lenses | Micro Four Thirds |
| Battery | BLS-1, BLS-5 |
| Sensor Type | Live MOS |
| Sensor Total Pixels | 13.1 |
| Sensor Color Filter | Primary color filter |
| Dust Reduction System | Supersonic Wave Filter |
| Sensor | m43 |
| System multiplier | 2 x |
| Remote Shutter Release | RM-UC1 |
| Focus Type | Contrast Detect AF |
| AF Assist Lamp | YES |
| Display Type | OLED |
| Display Size | 3.0" |
| Display Dots | 610,000 |
| Display Tiltable | Fixed |
| Touchscreen | Capacitive |
| Wireless Flash | Olympus Wireless RC Flash system compatible |
| Width | 122 mm (4.8 in.) |
| Height | 69.1 mm (2.7 in.) |
| Depth | 34.3 mm (1.3 in.) |
| Weight | 321 g (11.3 oz.) |
| Accessory Port | Accessory Port 2 |
| Apps | NONE |
| Environmentally sealed | NONE |
| Focus | AF |
| steves-digicams.com | Olympus E-P3 First Look | 2011-06-29 |
| biofos.com | E-P3 PEN - FIRST IMPRESSION with a pre-production unit firmware version 1.0 | 2011-07-26 |
| pixelmania.nl | Olympus Pen E-P3 | 2011-08-26 |
| robinwong.blogspot.com | Olympus E-P3 Review: Pudu Wet Market | 2011-06-30 |
| thephoblographer.com | Review: Olympus EP-3 (and 12mm F/2) | 2011-06-30 |
| trustedreviews.com | Olympus PEN EP-3 | 2011-06-31 |
| robinwong.blogspot.com | Olympus E-P3 Review: KL Street Art Festival | 2011-07-02 |
| robinwong.blogspot.com | Olympus E-P3 Review: Kuala Lumpur Night Scenes | 2011-07-04 |
| robinwong.blogspot.com | Olympus E-P3 Review: Final Words | 2011-07-06 |
| hendralauw.com | Testing the New Olympus E-P3 | 2011-08-06 |
| hendralauw.com | Testing the New Olympus E-P3 - Part 2 | 2011-08-08 |
| photographyblog.com | Olympus E-P3 Review | 2011-08-11 |
| ephotozine.com | Olympus PEN E-P3 Mirrorless Review | 2011-08-12 |
| dpreview.com | Olympus PEN E-P3 in-depth review | 2011-08-17 |
| hendralauw.com | Olympus PEN E-P3 Review - Part 3 | 2011-08-18 |
| hendralauw.com | Olympus Pen E-P3 Review - Part 4 | 2011-08-29 |
| cameralabs.com | Olympus E-P3 | 2011-09-01 |
| reviews.photographyreview.com | Olympus E-P3 Review | 2011-11-21 |
| colorfoto.de | Olympus E-P3 im Test | 2011-08-17 |
| digitalkamera.de | Olympus Pen E-P3 | 2011-08-30 |
| netzwelt.de | Systemkamera mit Touchscreen: Olympus Pen E-P3 im Test | 2012-08-23 |
| youtube.com | DigitalRev TV: Olympus PEN E-P3 Hands-on Review | 2011-07-15 |
| thephoblographer.com | Using the Olympus EP3 with Panasonic Lenses | 2011-07-11 |
| thephoblographer.com | The Olympus EP3 and 12mm F/2 Shoot Some Video | 2011-07-13 |
| thephoblographer.com | Shooting Street Photography with the Olympus EP3 | 2011-07-15 |
| dslr-forum.de | Olympus PEN E-P3 | 2011-07-07 |
