Olympus E-PM2 vs Pentax K-70
The Olympus PEN E-PM2 and the Pentax K-70 are two digital cameras that were revealed to the public, respectively, in September 2012 and June 2016. The E-PM2 is a mirrorless interchangeable lens camera, while the K-70 is a DSLR. The cameras are based on a Four Thirds (E-PM2) and an APS-C (K-70) sensor. The Olympus has a resolution of 15.9 megapixels, whereas the Pentax provides 24 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.

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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus PEN E-PM2 and the Pentax K-70? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.
Body comparison
The side-by-side display below illustrates the physical size and weight of the Olympus E-PM2 and the Pentax K-70. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.
The E-PM2 can be obtained in four different colors (black, silver, red, white), while the K-70 is available in two color-versions (black, silver).



If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-70 is considerably larger (66 percent) than the Olympus E-PM2. Moreover, the K-70 is substantially heavier (156 percent) than the E-PM2. It is noteworthy in this context that the K-70 is splash and dust-proof, while the E-PM2 does not feature any corresponding weather-sealing.
The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.
Concerning battery life, the E-PM2 gets 360 shots out of its Olympus BLS-5 battery, while the K-70 can take 410 images on a single charge of its Pentax D-LI109 power pack.
The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

| Camera Model |
Camera Width |
Camera Height |
Camera Depth |
Camera Weight |
Battery Life |
Weather Sealing |
Camera Launch |
Launch Price |
Street Price |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Olympus E-PM2 | 110 mm | 64 mm | 34 mm | 269 g | 360 | n | Sep 2012 | EUR 499 | ebay.com | |
| 2. | Pentax K-70 | 126 mm | 93 mm | 74 mm | 688 g | 410 | Y | Jun 2016 | EUR 699 | ebay.com | |
| 3. | Olympus E-M1 | 130 mm | 94 mm | 63 mm | 497 g | 350 | Y | Sep 2013 | EUR 1 499 | ebay.com | |
| 4. | Olympus E-M10 | 119 mm | 82 mm | 46 mm | 396 g | 320 | n | Jan 2014 | EUR 599 | ebay.com | |
| 5. | Olympus E-M10 II | 120 mm | 83 mm | 47 mm | 390 g | 320 | n | Aug 2015 | EUR 599 | ebay.com | |
| 6. | Olympus E-P5 | 122 mm | 69 mm | 37 mm | 420 g | 330 | n | May 2013 | EUR 999 | ebay.com | |
| 7. | Olympus E-PL3 | 110 mm | 64 mm | 37 mm | 313 g | 300 | n | Jun 2011 | EUR 549 | ebay.com | |
| 8. | Olympus E-PL5 | 111 mm | 64 mm | 38 mm | 325 g | 360 | n | Sep 2012 | EUR 599 | ebay.com | |
| 9. | Olympus E-PL6 | 111 mm | 64 mm | 38 mm | 325 g | 360 | n | May 2013 | EUR 599 | ebay.com | |
| 10. | Olympus E-PL7 | 115 mm | 67 mm | 38 mm | 357 g | 350 | n | Aug 2014 | EUR 599 | ebay.com | |
| 11. | Olympus E-PM1 | 110 mm | 64 mm | 34 mm | 265 g | 330 | n | Jun 2011 | EUR 449 | ebay.com | |
| 12. | Panasonic G6 | 122 mm | 85 mm | 71 mm | 390 g | 340 | n | Apr 2013 | EUR 549 | ebay.com | |
| 13. | Pentax K-3 | 131 mm | 100 mm | 77 mm | 800 g | 560 | Y | Oct 2013 | EUR 1 299 | ebay.com | |
| 14. | Pentax K-3 II | 131 mm | 100 mm | 77 mm | 800 g | 720 | Y | Apr 2015 | EUR 999 | ebay.com | |
| 15. | Pentax K-50 | 130 mm | 97 mm | 71 mm | 650 g | 410 | Y | Jun 2013 | EUR 649 | ebay.com | |
| 16. | Pentax KP | 132 mm | 101 mm | 76 mm | 703 g | 390 | Y | Jan 2017 | EUR 1 299 | ebay.com | |
| 17. | Pentax K-S2 | 123 mm | 91 mm | 73 mm | 678 g | 410 | Y | Feb 2015 | EUR 699 | ebay.com | |
| Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders. | |||||||||||
Any camera decision will obviously take relative prices into account. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The E-PM2 was launched at a somewhat lower price (by 23 percent) than the K-70, which makes it more attractive for photographers on a tight budget. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.
Sensor comparison
The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Olympus E-PM2 features a Four Thirds sensor and the Pentax K-70 an APS-C sensor. The sensor area in the K-70 is 63 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.5. The sensor in the E-PM2 has a native 4:3 aspect ratio, while the one in the K-70 offers a 3:2 aspect.

With 24MP, the K-70 offers a higher resolution than the E-PM2 (15.9MP), but the K-70 nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 3.76μm for the E-PM2) due to its larger sensor. Moreover, the K-70 is a much more recent model (by 3 years and 8 months) than the E-PM2, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the K-70 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The resolution advantage of the Pentax K-70 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-70 for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Olympus E-PM2 are 23 x 17.3 inches or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inches or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inches or 39 x 29.3 cm for excellent quality prints.
The K-70 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
Unlike the E-PM2, the K-70 has the capacity to capture high quality composite images by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).
The Olympus PEN E-PM2 has a native sensitivity range from ISO 100 to ISO 25600. The corresponding ISO settings for the Pentax K-70 are ISO 100 to ISO 102400 (no boost).
Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

For many cameras, data on sensor performance has been reported by DXO Mark. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

| Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports |
DXO Overall |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Olympus E-PM2 | Four Thirds | 15.9 | 4608 | 3456 | 1080/30p | 22.7 | 12.2 | 932 | 72 | |
| 2. | Pentax K-70 | APS-C | 24.0 | 6000 | 4000 | 1080/60i | 23.8 | 13.1 | 1639 | 80 | |
| 3. | Olympus E-M1 | Four Thirds | 15.9 | 4608 | 3456 | 1080/30p | 23.0 | 12.7 | 757 | 73 | |
| 4. | Olympus E-M10 | Four Thirds | 15.9 | 4608 | 3456 | 1080/30p | 22.8 | 12.3 | 884 | 72 | |
| 5. | Olympus E-M10 II | Four Thirds | 15.9 | 4608 | 3456 | 1080/60p | 23.1 | 12.5 | 842 | 73 | |
| 6. | Olympus E-P5 | Four Thirds | 15.9 | 4608 | 3456 | 1080/30p | 22.8 | 12.4 | 895 | 72 | |
| 7. | Olympus E-PL3 | Four Thirds | 12.2 | 4032 | 3024 | 1080/60i | 20.9 | 10.3 | 499 | 52 | |
| 8. | Olympus E-PL5 | Four Thirds | 15.9 | 4608 | 3456 | 1080/30p | 22.8 | 12.3 | 889 | 72 | |
| 9. | Olympus E-PL6 | Four Thirds | 15.9 | 4608 | 3456 | 1080/30p | 22.5 | 12.0 | 717 | 68 | |
| 10. | Olympus E-PL7 | Four Thirds | 15.9 | 4608 | 3456 | 1080/30p | 22.7 | 12.4 | 873 | 72 | |
| 11. | Olympus E-PM1 | Four Thirds | 12.2 | 4032 | 3024 | 1080/60i | 21.0 | 10.3 | 499 | 52 | |
| 12. | Panasonic G6 | Four Thirds | 15.9 | 4608 | 3456 | 1080/60p | 21.3 | 11.5 | 639 | 61 | |
| 13. | Pentax K-3 | APS-C | 24.1 | 6016 | 4000 | 1080/60i | 23.7 | 13.4 | 1216 | 80 | |
| 14. | Pentax K-3 II | APS-C | 24.1 | 6016 | 4000 | 1080/60i | 23.6 | 13.6 | 1106 | 80 | |
| 15. | Pentax K-50 | APS-C | 16.1 | 4928 | 3264 | 1080/30p | 23.7 | 13.0 | 1120 | 79 | |
| 16. | Pentax KP | APS-C | 24.1 | 6016 | 4000 | 1080/60i | 23.9 | 13.2 | 1699 | 81 | |
| 17. | Pentax K-S2 | APS-C | 20.0 | 5472 | 3648 | 1080/30p | 23.6 | 12.9 | 1514 | 79 | |
| Note: DXO values in italics represent estimates based on sensor size and age. | |||||||||||
Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the K-70 provides a faster frame rate than the E-PM2. It can shoot movie footage at 1080/60i, while the Olympus is limited to 1080/30p.
Feature comparison
Apart from body and sensor, cameras can and do differ across a variety of features. For example, the K-70 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the E-PM2 relies on live view and the rear LCD for framing. That said, the E-PM2 can be equipped with an optional viewfinder – the VF-4. The adjacent table lists some of the other core features of the Olympus E-PM2 and Pentax K-70 along with similar information for a selection of comparators.

| Camera Model |
Viewfinder (Type or 000 dots) |
Control Panel (yes/no) |
LCD Specifications (inch/000 dots) |
LCD Attach- ment |
Touch Screen (yes/no) |
Max Shutter Speed * |
Max Shutter Flaps * |
Built-in Flash (yes/no) |
Built-in Image Stab |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Olympus E-PM2 | optional | n | 3.0 / 460 | fixed | Y | 1/4000s | 8.0/s | n | Y | |
| 2. | Pentax K-70 | optical | n | 3.0 / 921 | swivel | n | 1/6000s | 6.0/s | Y | Y | |
| 3. | Olympus E-M1 | 2360 | n | 3.0 / 1037 | tilting | Y | 1/8000s | 10.0/s | n | Y | |
| 4. | Olympus E-M10 | 1440 | n | 3.0 / 1037 | tilting | Y | 1/4000s | 8.0/s | Y | Y | |
| 5. | Olympus E-M10 II | 2360 | n | 3.0 / 1040 | tilting | Y | 1/4000s | 8.0/s | Y | Y | |
| 6. | Olympus E-P5 | optional | n | 3.0 / 1037 | tilting | Y | 1/8000s | 9.0/s | Y | Y | |
| 7. | Olympus E-PL3 | optional | n | 3.0 / 460 | tilting | n | 1/4000s | 5.5/s | n | Y | |
| 8. | Olympus E-PL5 | optional | n | 3.0 / 460 | tilting | Y | 1/4000s | 8.0/s | n | Y | |
| 9. | Olympus E-PL6 | optional | n | 3.0 / 460 | tilting | Y | 1/4000s | 8.0/s | n | Y | |
| 10. | Olympus E-PL7 | optional | n | 3.0 / 1037 | tilting | Y | 1/4000s | 8.0/s | n | Y | |
| 11. | Olympus E-PM1 | optional | n | 3.0 / 460 | fixed | n | 1/4000s | 5.5/s | n | Y | |
| 12. | Panasonic G6 | 1440 | n | 3.0 / 1036 | swivel | Y | 1/4000s | 7.0/s | Y | n | |
| 13. | Pentax K-3 | optical | Y | 3.2 / 1037 | fixed | n | 1/8000s | 8.3/s | Y | Y | |
| 14. | Pentax K-3 II | optical | Y | 3.2 / 1037 | fixed | n | 1/8000s | 8.3/s | n | Y | |
| 15. | Pentax K-50 | optical | n | 3.0 / 921 | fixed | n | 1/6000s | 6.0/s | Y | Y | |
| 16. | Pentax KP | optical | n | 3.0 / 921 | tilting | n | 1/6000s | 7.0/s | Y | Y | |
| 17. | Pentax K-S2 | optical | n | 3.0 / 921 | swivel | n | 1/6000s | 5.4/s | Y | Y | |
| Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one. | |||||||||||
One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The E-PM2 has a touchscreen, while the K-70 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.
The K-70 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the E-PM2 does not have a selfie-screen.The Pentax K-70 has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.
Concerning the storage of imaging data, both the E-PM2 and the K-70 write their files to SDXC cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.
Connectivity comparison
For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Olympus PEN E-PM2 and Pentax K-70 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

| Camera Model |
Hotshoe Port |
Internal Mic / Speaker |
Microphone Port |
Headphone Port |
HDMI Port |
USB Port |
WiFi Support |
NFC Support |
Bluetooth Support |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Olympus E-PM2 | Y | stereo / mono | - | - | mini | 2.0 | - | - | - | |
| 2. | Pentax K-70 | Y | stereo / mono | Y | - | mini | 2.0 | Y | - | - | |
| 3. | Olympus E-M1 | Y | stereo / mono | Y | - | micro | 2.0 | Y | - | - | |
| 4. | Olympus E-M10 | Y | stereo / mono | - | - | micro | 2.0 | Y | - | - | |
| 5. | Olympus E-M10 II | Y | stereo / mono | - | - | micro | 2.0 | Y | - | - | |
| 6. | Olympus E-P5 | Y | stereo / mono | - | - | micro | 2.0 | Y | - | - | |
| 7. | Olympus E-PL3 | Y | stereo / - | - | - | mini | 2.0 | - | - | - | |
| 8. | Olympus E-PL5 | Y | stereo / mono | - | - | mini | 2.0 | - | - | - | |
| 9. | Olympus E-PL6 | Y | stereo / mono | - | - | mini | 2.0 | - | - | - | |
| 10. | Olympus E-PL7 | Y | stereo / mono | - | - | micro | 2.0 | Y | - | - | |
| 11. | Olympus E-PM1 | Y | stereo / mono | - | - | mini | 2.0 | - | - | - | |
| 12. | Panasonic G6 | Y | stereo / mono | Y | - | mini | 2.0 | Y | Y | - | |
| 13. | Pentax K-3 | Y | mono / mono | Y | Y | mini | 3.0 | - | - | - | |
| 14. | Pentax K-3 II | Y | mono / mono | Y | Y | mini | 3.0 | - | - | - | |
| 15. | Pentax K-50 | Y | mono / mono | - | - | micro | 2.0 | - | - | - | |
| 16. | Pentax KP | Y | stereo / mono | Y | - | - | 2.0 | Y | - | - | |
| 17. | Pentax K-S2 | Y | mono / mono | Y | - | micro | 2.0 | Y | Y | - |
It is notable that the K-70 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the E-PM2 does not provide wifi capability.
Both the E-PM2 and the K-70 have been discontinued, but can regularly be found used on ebay. Neither of the two has a direct successor, so they represent the end of the respective camera lines from Olympus and Pentax. Further information on the features and operation of the E-PM2 and K-70 can be found, respectively, in the Olympus E-PM2 Manual (free pdf) or the online Pentax K-70 Manual.
Review summary
So what conclusions can be drawn? Is there a clear favorite between the Olympus E-PM2 and the Pentax K-70? Which camera is better? The listing below highlights the relative strengths of the two models.

Advantages of the Olympus PEN E-PM2:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
- Faster burst: Shoots at higher frequency (8 vs 6 flaps/sec) to capture the decisive moment.
- More compact: Is smaller (110x64mm vs 126x93mm) and thus needs less room in the bag.
- Less heavy: Is lighter (by 419g or 61 percent) and hence easier to carry around.
- More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
- More affordable: Was introduced into a lower priced segment (23 percent cheaper at launch).
- More heavily discounted: Has been available for much longer (launched in September 2012).

Arguments in favor of the Pentax K-70:
- More detail: Has more megapixels (24 vs 15.9MP), which boosts linear resolution by 25%.
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- High quality composites: Can combine several shots after pixel-shifting its sensor.
- Better image quality: Is equipped with a larger and more technologically advanced sensor.
- Richer colors: The sensor size advantage translates into images with better, more accurate colors.
- More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
- Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
- Better video: Provides higher movie framerates (1080/60i versus 1080/30p).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- Better sound: Can connect to an external microphone for higher quality sound recording.
- Easier framing: Has an optical viewfinder for image composition and settings control.
- More detailed LCD: Has a higher resolution rear screen (921k vs 460k dots).
- More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
- More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
- Faster shutter: Has higher mechanical shutter speed (1/6000s vs 1/4000s) to freeze action.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- Longer lasting: Gets more shots (410 versus 360) out of a single battery charge.
- Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
- Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
- Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
- More modern: Reflects 3 years and 8 months of technical progress since the E-PM2 launch.
If the number of relative strengths (bullet points above) is taken as a guide, the K-70 is the clear winner of the contest (21 : 8 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
How about other alternatives? Do the specifications of the Olympus E-PM2 and the Pentax K-70 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.
In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the E-PM2 or the K-70. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.
Expert reviews
This is where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

| Camera Model |
AP score |
CL score |
DCW score |
DPR score |
EPZ score |
PB score |
Camera Launch |
Launch Price |
Street Price |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Olympus E-PM2 | 3/5 | .. | .. | 77/100 | 5/5 | 4.5/5 | Sep 2012 | EUR 499 | ebay.com | |
| 2. | Pentax K-70 | 4.5/5 | .. | 4/5 | 79/100 | 4.5/5 | 4.5/5 | Jun 2016 | EUR 699 | ebay.com | |
| 3. | Olympus E-M1 | 5/5 | + + | .. | 84/100 | 4.5/5 | 4.5/5 | Sep 2013 | EUR 1 499 | ebay.com | |
| 4. | Olympus E-M10 | 4/5 | .. | .. | 80/100 | 5/5 | 5/5 | Jan 2014 | EUR 599 | ebay.com | |
| 5. | Olympus E-M10 II | 4.5/5 | + + | .. | 80/100 | 5/5 | 5/5 | Aug 2015 | EUR 599 | ebay.com | |
| 6. | Olympus E-P5 | 5/5 | + + | .. | 78/100 | 4.5/5 | 5/5 | May 2013 | EUR 999 | ebay.com | |
| 7. | Olympus E-PL3 | 3/5 | + + | .. | 72/100 | 4.5/5 | 4/5 | Jun 2011 | EUR 549 | ebay.com | |
| 8. | Olympus E-PL5 | 3/5 | + + | .. | .. | 4.5/5 | 4.5/5 | Sep 2012 | EUR 599 | ebay.com | |
| 9. | Olympus E-PL6 | .. | .. | .. | .. | .. | .. | May 2013 | EUR 599 | ebay.com | |
| 10. | Olympus E-PL7 | 4/5 | + | .. | .. | 5/5 | 4/5 | Aug 2014 | EUR 599 | ebay.com | |
| 11. | Olympus E-PM1 | .. | 86/100 | .. | 71/100 | 4.5/5 | 4.5/5 | Jun 2011 | EUR 449 | ebay.com | |
| 12. | Panasonic G6 | 4/5 | + + | .. | .. | 5/5 | 4.5/5 | Apr 2013 | EUR 549 | ebay.com | |
| 13. | Pentax K-3 | 4/5 | .. | .. | 83/100 | 5/5 | 5/5 | Oct 2013 | EUR 1 299 | ebay.com | |
| 14. | Pentax K-3 II | 4.5/5 | .. | .. | .. | 5/5 | 5/5 | Apr 2015 | EUR 999 | ebay.com | |
| 15. | Pentax K-50 | 5/5 | .. | .. | .. | 5/5 | 4.5/5 | Jun 2013 | EUR 649 | ebay.com | |
| 16. | Pentax KP | 4/5 | .. | 3/5 | 82/100 | 5/5 | 4.5/5 | Jan 2017 | EUR 1 299 | ebay.com | |
| 17. | Pentax K-S2 | 4.5/5 | .. | .. | .. | 5/5 | 4.5/5 | Feb 2015 | EUR 699 | ebay.com | |
| Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available. | |||||||||||
Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Other camera comparisons
Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.
- Canon 1000D vs Pentax K-70
- Canon G16 vs Pentax K-70
- Canon M3 vs Olympus E-PM2
- Canon SX710 vs Pentax K-70
- Leica CL vs Olympus E-PM2
- Leica D-LUX 7 vs Pentax K-70
- Leica TL2 vs Olympus E-PM2
- Nikon D70s vs Olympus E-PM2
- Nikon Z30 vs Pentax K-70
- Olympus E-PM2 vs Sony NEX-3N
- Olympus E-PM2 vs Sony NEX-5T
- Pentax K-70 vs Samsung NX30
Specifications: Olympus E-PM2 vs Pentax K-70
Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.
| Camera Model | Olympus E-PM2 | Pentax K-70 |
|---|---|---|
| Camera Type | Mirrorless system camera | Digital single lens reflex |
| Camera Lens | Micro Four Thirds lenses | Pentax K mount lenses |
| Launch Date | September 2012 | June 2016 |
| Launch Price | USD 499 | USD 649 |
| Sensor Specs | Olympus E-PM2 | Pentax K-70 |
| Sensor Technology | CMOS | CMOS |
| Sensor Format | Four Thirds Sensor | APS-C Sensor |
| Sensor Size | 17.3 x 13.0 mm | 23.5 x 15.6 mm |
| Sensor Area | 224.9 mm2 | 366.6 mm2 |
| Sensor Diagonal | 21.6 mm | 28.2 mm |
| Crop Factor | 2.0x | 1.5x |
| Sensor Resolution | 15.9 Megapixels | 24 Megapixels |
| Image Resolution | 4608 x 3456 pixels | 6000 x 4000 pixels |
| Pixel Pitch | 3.76 μm | 3.91 μm |
| Pixel Density | 7.08 MP/cm2 | 6.55 MP/cm2 |
| Moiré control | Anti-Alias filter | no AA filter |
| Movie Capability | 1080/30p Video | 1080/60i Video |
| ISO Setting | 100 - 25,600 ISO | 100 - 102,400 ISO |
| Image Processor | TruePic VI | PRIME MII |
| DXO Sensor Quality (score) | 72 | .. |
| DXO Color Depth (bits) | 22.7 | .. |
| DXO Dynamic Range (EV) | 12.2 | .. |
| DXO Low Light (ISO) | 932 | .. |
| Screen Specs | Olympus E-PM2 | Pentax K-70 |
| Viewfinder Type | Viewfinder optional | Optical viewfinder |
| Viewfinder Field of View | 100% | |
| Viewfinder Magnification | 0.63x | |
| LCD Framing | Live View | Live View |
| Rear LCD Size | 3.0inch | 3.0inch |
| LCD Resolution | 460k dots | 921k dots |
| LCD Attachment | Fixed screen | Swivel screen |
| Touch Input | Touchscreen | no Touchscreen |
| Shooting Specs | Olympus E-PM2 | Pentax K-70 |
| Focus System | Contrast-detect AF | Phase-detect AF |
| Manual Focusing Aid | no Peaking Feature | Focus Peaking |
| Max Shutter Speed (mechanical) | 1/4000s | 1/6000s |
| Continuous Shooting | 8 shutter flaps/s | 6 shutter flaps/s |
| Time-Lapse Photography | no Intervalometer | Intervalometer built-in |
| Image Stabilization | In-body stabilization | In-body stabilization |
| Fill Flash | no On-Board Flash | Built-in Flash |
| Storage Medium | SDXC cards | SDXC cards |
| Single or Dual Card Slots | Single card slot | Single card slot |
| UHS card support | UHS-I | UHS-I |
| Connectivity Specs | Olympus E-PM2 | Pentax K-70 |
| External Flash | Hotshoe | Hotshoe |
| USB Connector | USB 2.0 | USB 2.0 |
| HDMI Port | mini HDMI | mini HDMI |
| Microphone Port | no MIC socket | External MIC port |
| Wifi Support | no Wifi | Wifi built-in |
| Body Specs | Olympus E-PM2 | Pentax K-70 |
| Environmental Sealing | not weather sealed | Weathersealed body |
| Battery Type | Olympus BLS-5 | Pentax D-LI109 |
| Battery Life (CIPA) | 360 shots per charge | 410 shots per charge |
| Body Dimensions |
110 x 64 x 34 mm (4.3 x 2.5 x 1.3 in) |
126 x 93 x 74 mm (5.0 x 3.7 x 2.9 in) |
| Camera Weight | 269 g (9.5 oz) | 688 g (24.3 oz) |

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