Olympus E-P2 vs Pentax K-3
86 Imaging
46 Features
42 Overall
44
59 Imaging
64 Features
85 Overall
72
Olympus E-P2 vs Pentax K-3 Key Specs
(Full Review)
- 12MP - Four Thirds Sensor
- 3" Fixed Display
- ISO 100 - 6400
- Sensor based Image Stabilization
- 1280 x 720 video
- Micro Four Thirds Mount
- 355g - 121 x 70 x 36mm
- Launched April 2010
- Earlier Model is Olympus E-P1
- New Model is Olympus E-P3
(Full Review)
- 24MP - APS-C Sensor
- 3.2" Fixed Screen
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 800g - 131 x 100 x 77mm
- Introduced April 2014
- Replacement is Pentax K-3 II
Photography Glossary Olympus E-P2 vs Pentax K-3 Overview
Following is a in depth comparison of the Olympus E-P2 versus Pentax K-3, former is a Entry-Level Mirrorless while the latter is a Advanced DSLR by manufacturers Olympus and Pentax. There is a noticeable difference among the sensor resolutions of the E-P2 (12MP) and K-3 (24MP) and the E-P2 (Four Thirds) and K-3 (APS-C) offer totally different sensor size.
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe E-P2 was revealed 5 years prior to the K-3 which is a fairly sizable difference as far as camera tech is concerned. The two cameras feature different body design with the Olympus E-P2 being a Rangefinder-style mirrorless camera and the Pentax K-3 being a Mid-size SLR camera.
Before going straight to a full comparison, here is a simple overview of how the E-P2 matches up against the K-3 with respect to portability, imaging, features and an overall score.
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This is a preview of the gallery images for Olympus PEN E-P2 & Pentax K-3. The full galleries are provided at Olympus E-P2 Gallery & Pentax K-3 Gallery.
Reasons to pick Olympus E-P2 over the Pentax K-3
| E-P2 | K-3 |
|---|
Reasons to pick Pentax K-3 over the Olympus E-P2
| K-3 | E-P2 | |||
|---|---|---|---|---|
| Introduced | April 2014 | April 2010 | More modern by 48 months | |
| Screen size | 3.2" | 3" | Bigger screen (+0.2") | |
| Screen resolution | 1037k | 230k | Clearer screen (+807k dot) |
Common features in the Olympus E-P2 and Pentax K-3
| E-P2 | K-3 | |||
|---|---|---|---|---|
| Focus manually | More exact focus | |||
| Screen type | Fixed | Fixed | Fixed screen | |
| Selfie screen | Neither features selfie screen | |||
| Touch friendly screen | Neither features Touch friendly screen |
Olympus E-P2 vs Pentax K-3 Physical Comparison
In case you're going to carry around your camera, you'll have to take into account its weight and measurements. The Olympus E-P2 enjoys outside measurements of 121mm x 70mm x 36mm (4.8" x 2.8" x 1.4") with a weight of 355 grams (0.78 lbs) whilst the Pentax K-3 has proportions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") with a weight of 800 grams (1.76 lbs).
Compare the Olympus E-P2 versus Pentax K-3 in our newest Camera & Lens Size Comparison Tool.
Always remember, the weight of an ILC will change based on the lens you are utilising at that time. The following is a front view measurements comparison of the E-P2 against the K-3.

Using size and weight, the portability score of the E-P2 and K-3 is 86 and 59 respectively.
Olympus E-P2 vs Pentax K-3 Sensor Comparison
Usually, it is difficult to visualise the difference in sensor sizes merely by viewing a spec sheet. The pic here will help provide you a more clear sense of the sensor measurements in the E-P2 and K-3.
Clearly, both the cameras feature different megapixels and different sensor sizes. The E-P2 with its smaller sensor will make getting shallower DOF trickier and the Pentax K-3 will render more detail because of its extra 12 Megapixels. Higher resolution will help you crop shots way more aggressively. The more aged E-P2 will be behind in sensor tech.
Olympus E-P2 vs Pentax K-3 Screen and ViewFinder
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Olympus E-P2 vs Pentax K-3 Specifications
| Olympus PEN E-P2 | Pentax K-3 | |
|---|---|---|
| General Information | ||
| Brand | Olympus | Pentax |
| Model type | Olympus PEN E-P2 | Pentax K-3 |
| Type | Entry-Level Mirrorless | Advanced DSLR |
| Launched | 2010-04-22 | 2014-04-10 |
| Body design | Rangefinder-style mirrorless | Mid-size SLR |
| Sensor Information | ||
| Processor Chip | TruePic V | Prime III |
| Sensor type | CMOS | CMOS |
| Sensor size | Four Thirds | APS-C |
| Sensor measurements | 17.3 x 13mm | 23.5 x 15.6mm |
| Sensor surface area | 224.9mm² | 366.6mm² |
| Sensor resolution | 12MP | 24MP |
| Anti alias filter | ||
| Aspect ratio | 4:3 | 3:2 |
| Full resolution | 4032 x 3024 | 6016 x 4000 |
| Max native ISO | 6400 | 51200 |
| Min native ISO | 100 | 100 |
| RAW pictures | ||
| Autofocusing | ||
| Manual focusing | ||
| AF touch | ||
| AF continuous | ||
| Single AF | ||
| Tracking AF | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detect focusing | ||
| Contract detect focusing | ||
| Phase detect focusing | ||
| Total focus points | 11 | 27 |
| Cross type focus points | - | 25 |
| Lens | ||
| Lens mount type | Micro Four Thirds | Pentax KAF2 |
| Total lenses | 107 | 151 |
| Crop factor | 2.1 | 1.5 |
| Screen | ||
| Range of display | Fixed Type | Fixed Type |
| Display size | 3" | 3.2" |
| Resolution of display | 230 thousand dot | 1,037 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch capability | ||
| Display tech | HyperCrystal LCD with AR(Anti-Reflective) coating | TFT LCD monitor |
| Viewfinder Information | ||
| Viewfinder type | Electronic (optional) | Optical (pentaprism) |
| Viewfinder coverage | - | 100% |
| Viewfinder magnification | - | 0.64x |
| Features | ||
| Lowest shutter speed | 60 seconds | 30 seconds |
| Highest shutter speed | 1/4000 seconds | 1/8000 seconds |
| Continuous shooting speed | 3.0fps | 8.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | no built-in flash | 13.00 m (at ISO 100) |
| Flash options | Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) | Auto, on, off, red-eye, slow sync, slow sync + red-eye, trailing curtain sync, high speed, wireless, manual |
| Hot shoe | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Highest flash sync | 1/180 seconds | 1/180 seconds |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 1280 x 720 (30 fps), 640 x 480 (30 fps) | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) |
| Max video resolution | 1280x720 | 1920x1080 |
| Video data format | Motion JPEG | MPEG-4, H.264 |
| Microphone input | ||
| Headphone input | ||
| Connectivity | ||
| Wireless | None | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 3.0 (5 GBit/sec) |
| GPS | None | Optional |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 355 grams (0.78 pounds) | 800 grams (1.76 pounds) |
| Physical dimensions | 121 x 70 x 36mm (4.8" x 2.8" x 1.4") | 131 x 100 x 77mm (5.2" x 3.9" x 3.0") |
| DXO scores | ||
| DXO All around rating | 56 | 80 |
| DXO Color Depth rating | 21.5 | 23.7 |
| DXO Dynamic range rating | 10.4 | 13.4 |
| DXO Low light rating | 505 | 1216 |
| Other | ||
| Battery life | 300 pictures | 560 pictures |
| Form of battery | Battery Pack | Battery Pack |
| Battery ID | BLS-1 | D-LI90 |
| Self timer | Yes (2 or 12 sec) | Yes ( 2 or 12 seconds) |
| Time lapse feature | ||
| Storage media | SD/SDHC card | Dual SD/SDHC/SDXC |
| Storage slots | Single | Two |
| Price at launch | $799 | $639 |