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Olympus E-PM1 vs Pentax K-5

The Olympus PEN E-PM1 and the Pentax K-5 are two digital cameras that were revealed to the public, respectively, in June 2011 and September 2010. The E-PM1 is a mirrorless interchangeable lens camera, while the K-5 is a DSLR. The cameras are based on a Four Thirds (E-PM1) and an APS-C (K-5) sensor. The Olympus has a resolution of 12.2 megapixels, whereas the Pentax provides 16.1 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Olympus E-PM1
versus
Pentax K-5
Olympus E-PM1   Pentax K-5
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Pentax K mount lenses
12.2 MP – Four Thirds sensor 16.1 MP – APS-C sensor
1080/60i Video 1080/25p Video
ISO 100-12,800 ISO 100-12,800 (80 - 51,200)
Viewfinder optional Optical viewfinder
3.0" LCD – 460k dots 3.0" LCD – 921k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
5.5 shutter flaps per second 7 shutter flaps per second
In-body stabilizationIn-body stabilization
not weather sealedWeathersealed body
330 shots per battery charge740 shots per battery charge
110 x 64 x 34 mm, 265 g 131 x 97 x 73 mm, 760 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus PEN E-PM1 and the Pentax K-5? 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-PM1 and the Pentax K-5. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

The E-PM1 can be obtained in six different colors (black, silver, brown, pink, purple, white), while the K-5 is only available in black.

Size Olympus E-PM1 vs Pentax K-5
Compare E-PM1 versus K-5 top
Comparison E-PM1 or K-5 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-5 is considerably larger (80 percent) than the Olympus E-PM1. Moreover, the K-5 is substantially heavier (187 percent) than the E-PM1. It is noteworthy in this context that the K-5 is splash and dust-proof, while the E-PM1 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-PM1 gets 330 shots out of its BLS-5 battery, while the K-5 can take 740 images on a single charge of its D-LI90 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-PM1 110 mm 64 mm 34 mm 265 g 330 n Jun 2011 499ebay.com
2.
 
Pentax K-5 131 mm 97 mm 73 mm 760 g 740 Y Sep 2010 1,099ebay.com
3.
 
Olympus E-PL5 111 mm 64 mm 38 mm 325 g 360 n Sep 2012 599ebay.com
4.
 
Olympus E-PM2 110 mm 64 mm 34 mm 269 g 360 n Sep 2012 499ebay.com
5.
 
Olympus E-P3 122 mm 69 mm 34 mm 369 g 330 n Jun 2011 799ebay.com
6.
 
Olympus E-PL2 114 mm 72 mm 42 mm 362 g 280 n Jan 2011 599ebay.com
7.
 
Olympus E-PL3 110 mm 64 mm 37 mm 313 g 300 n Jun 2011 599ebay.com
8.
 
Olympus E-PL1 115 mm 72 mm 42 mm 334 g 290 n Feb 2010 599ebay.com
9.
 
Panasonic GF5 108 mm 67 mm 37 mm 267 g 360 n Apr 2012 499ebay.com
10.
 
Panasonic GF3 108 mm 67 mm 32 mm 264 g 300 n Jun 2011 549ebay.com
11.
 
Panasonic G2 124 mm 84 mm 74 mm 428 g 360 n Mar 2010 599ebay.com
12.
 
Panasonic GF2 113 mm 68 mm 33 mm 310 g 300 n Nov 2010 549ebay.com
13.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 1,099ebay.com
14.
 
Pentax K-50 130 mm 97 mm 71 mm 650 g 410 Y Jun 2013 599ebay.com
15.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299ebay.com
16.
 
Pentax K-30 130 mm 97 mm 71 mm 650 g 410 Y May 2012 849ebay.com
17.
 
Pentax K-5 II 131 mm 97 mm 73 mm 760 g 740 Y Sep 2012 1,099ebay.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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The E-PM1 was launched at a markedly lower price (by 55 percent) than the K-5, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Olympus E-PM1 features a Four Thirds sensor and the Pentax K-5 an APS-C sensor. The sensor area in the K-5 is 65 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-PM1 has a native 4:3 aspect ratio, while the one in the K-5 offers a 3:2 aspect.

Olympus E-PM1 and Pentax K-5 sensor measures

With 16.1MP, the K-5 offers a higher resolution than the E-PM1 (12.2MP), but the K-5 nevertheless has larger individual pixels (pixel pitch of 4.81μm versus 4.29μm for the E-PM1) due to its larger sensor. However, the E-PM1 is a somewhat more recent model (by 9 months) than the K-5, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Pentax K-5 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-5 for good quality output (200 dots per inch) amounts to 24.6 x 16.3 inches or 62.6 x 41.5 cm, for very good quality (250 dpi) 19.7 x 13.1 inches or 50.1 x 33.2 cm, and for excellent quality (300 dpi) 16.4 x 10.9 inches or 41.7 x 27.6 cm. The corresponding values for the Olympus E-PM1 are 20.2 x 15.1 inches or 51.2 x 38.4 cm for good quality, 16.1 x 12.1 inches or 41 x 30.7 cm for very good quality, and 13.4 x 10.1 inches or 34.1 x 25.6 cm for excellent quality prints.

The Olympus PEN E-PM1 has a native sensitivity range from ISO 100 to ISO 12800. The corresponding ISO settings for the Pentax K-5 are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 80-51200.

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.

E-PM1 versus K-5 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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. Of the two cameras under consideration, the K-5 offers substantially better image quality than the E-PM1 (overall score 30 points higher). The advantage is based on 2.7 bits higher color depth, 3.8 EV in additional dynamic range, and 1.2 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-PM1 Four Thirds 12.2 4032 30241080/60i21.010.349952
2.
 
Pentax K-5 APS-C 16.1 4928 32641080/25p23.714.1116282
3.
 
Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972
4.
 
Olympus E-PM2 Four Thirds 15.9 4608 34561080/30p22.712.293272
5.
 
Olympus E-P3 Four Thirds 12.2 4032 30241080/60i20.810.153651
6.
 
Olympus E-PL2 Four Thirds 12.2 4032 3024720/30p21.410.257355
7.
 
Olympus E-PL3 Four Thirds 12.2 4032 30241080/60i20.910.349952
8.
 
Olympus E-PL1 Four Thirds 12.2 4032 3024720/30p21.510.148754
9.
 
Panasonic GF5 Four Thirds 12.0 4000 30001080/60i20.510.057350
10.
 
Panasonic GF3 Four Thirds 12.0 4000 30001080/60i20.610.145950
11.
 
Panasonic G2 Four Thirds 12.0 4000 3000720/30p21.210.349353
12.
 
Panasonic GF2 Four Thirds 12.0 4000 30001080/60i21.210.350654
13.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
14.
 
Pentax K-50 APS-C 16.1 4928 32641080/30p23.713.0112079
15.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
16.
 
Pentax K-30 APS-C 16.1 4928 32641080/30p23.713.0112979
17.
 
Pentax K-5 II APS-C 16.1 4928 32641080/25p23.814.1123582

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the E-PM1 provides a higher frame rate than the K-5. It can shoot video footage at 1080/60i, while the Pentax is limited to 1080/25p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the K-5 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the E-PM1 relies on live view and the rear LCD for framing. That said, the E-PM1 can be equipped with an optional viewfinder – the VF-2. The adjacent table lists some of the other core features of the Olympus E-PM1 and Pentax K-5 along with similar information for a selection of comparators.

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Core Features
    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-PM1optional n3.0 / 460 fixed n 1/4000s 5.5/s n Y
2.
 
Pentax K-5optical Y3.0 / 921 fixed n 1/8000s 7.0/s Y Y
3.
 
Olympus E-PL5optional n3.0 / 460 tilting Y 1/4000s 8.0/s n Y
4.
 
Olympus E-PM2optional n3.0 / 460 fixed Y 1/4000s 8.0/s n Y
5.
 
Olympus E-P3optional n3.0 / 614 fixed Y 1/4000s 3.0/s Y Y
6.
 
Olympus E-PL2optional n3.0 / 460 fixed n 1/4000s 3.0/s Y Y
7.
 
Olympus E-PL3optional n3.0 / 460 tilting n 1/4000s 5.5/s n Y
8.
 
Olympus E-PL1optional n2.7 / 230 fixed n 1/2000s 3.0/s Y Y
9.
 
Panasonic GF5none n3.0 / 920 fixed Y 1/4000s 4.0/s Y n
10.
 
Panasonic GF3none n3.0 / 460 fixed Y 1/4000s 3.2/s Y n
11.
 
Panasonic G21440 n3.0 / 460 swivel Y 1/4000s 2.6/s Y n
12.
 
Panasonic GF2optional n3.0 / 460 fixed Y 1/4000s 2.6/s Y n
13.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
14.
 
Pentax K-50optical n3.0 / 921 fixed n 1/6000s 6.0/s Y Y
15.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
16.
 
Pentax K-30optical n3.0 / 921 fixed n 1/6000s 6.0/s Y Y
17.
 
Pentax K-5 IIoptical Y3.0 / 921 fixed n 1/8000s 7.0/s Y Y
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the K-5, but is missing on the E-PM1 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The Pentax K-5 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-PM1 and the K-5 write their files to SDXC cards.

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-PM1 and Pentax K-5 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-PM1Ystereo / mono--mini2.0---
2.
 
Pentax K-5Ystereo / monoY-mini2.0---
3.
 
Olympus E-PL5Ystereo / mono--mini2.0---
4.
 
Olympus E-PM2Ystereo / mono--mini2.0---
5.
 
Olympus E-P3Ystereo / ---mini2.0---
6.
 
Olympus E-PL2Ystereo / ---mini2.0---
7.
 
Olympus E-PL3Ystereo / ---mini2.0---
8.
 
Olympus E-PL1Ystereo / ---mini2.0---
9.
 
Panasonic GF5-stereo / mono--mini2.0---
10.
 
Panasonic GF3-stereo / mono--mini2.0---
11.
 
Panasonic G2Ystereo / mono--mini2.0---
12.
 
Panasonic GF2Ystereo / mono--mini2.0---
13.
 
Pentax K-3 IIYmono / monoYYmini3.0---
14.
 
Pentax K-50Ymono / mono--micro2.0---
15.
 
Pentax K-3Ymono / monoYYmini3.0---
16.
 
Pentax K-30Ymono / mono---2.0---
17.
 
Pentax K-5 IIYstereo / monoY-mini2.0---

It is notable that the K-5 has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The E-PM1 does not feature such a mic input.

Studio photographers will appreciate that the Pentax K-5 (unlike the E-PM1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the E-PM1 and the K-5 have been discontinued, but can regularly be found used on ebay. The K-5 was replaced by the Pentax K-5 II, while the E-PM1 was followed by the Olympus E-PM2. Further information on the features and operation of the E-PM1 and K-5 can be found, respectively, in the Olympus E-PM1 Manual (free pdf) or the online Pentax K-5 Manual.

Review summary

So what conclusions can be drawn? Is the Olympus E-PM1 better than the Pentax K-5 or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Olympus PEN E-PM1:

  • Better video: Provides higher movie framerates (1080/60i versus 1080/25p).
  • More compact: Is smaller (110x64mm vs 131x97mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 495g or 65 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 category (55 percent cheaper at launch).
  • More modern: Is somewhat more recent (announced 9 months after the K-5).

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Advantages of the Pentax K-5:

  • More detail: Has more megapixels (16.1 vs 12.2MP), which boosts linear resolution by 17%.
  • Better image quality: Scores substantially higher (30 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.7 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (3.8 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.2 stops ISO advantage).
  • 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.
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • More detailed LCD: Has a higher resolution rear screen (921k vs 460k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (7 vs 5.5 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Gets more shots (740 versus 330) 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.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More heavily discounted: Has been on the market for longer (launched in September 2010).

If the count of individual advantages (bullet points above) is taken as a guide, the K-5 is the clear winner of the contest (17 : 6 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. 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.

E-PM1 06:17 K-5

How about other alternatives? Do the specifications of the Olympus E-PM1 and the Pentax K-5 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 comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the E-PM1 or the K-5. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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.

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Expert Camera Reviews
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-PM1..86/100..71/1004.5/54.5/5 Jun 2011 499ebay.com
2.
 
Pentax K-54/5....83/1005/54.5/5 Sep 2010 1,099ebay.com
3.
 
Olympus E-PL53/5+ +....4.5/54.5/5 Sep 2012 599ebay.com
4.
 
Olympus E-PM23/5....77/1005/54.5/5 Sep 2012 499ebay.com
5.
 
Olympus E-P3..83/100..74/1004.5/54.5/5 Jun 2011 799ebay.com
6.
 
Olympus E-PL23/583/100..71/1004.5/54.5/5 Jan 2011 599ebay.com
7.
 
Olympus E-PL33/5+ +..72/1004.5/54/5 Jun 2011 599ebay.com
8.
 
Olympus E-PL1..86/100..69/1004/54.5/5 Feb 2010 599ebay.com
9.
 
Panasonic GF53/5......4.5/54.5/5 Apr 2012 499ebay.com
10.
 
Panasonic GF33/582/100..71/1004.5/54/5 Jun 2011 549ebay.com
11.
 
Panasonic G2......72/1004/54.5/5 Mar 2010 599ebay.com
12.
 
Panasonic GF23/582/100..70/1004.5/54.5/5 Nov 2010 549ebay.com
13.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 1,099ebay.com
14.
 
Pentax K-505/5......5/54.5/5 Jun 2013 599ebay.com
15.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 1,299ebay.com
16.
 
Pentax K-304/5....78/1004.5/54.5/5 May 2012 849ebay.com
17.
 
Pentax K-5 II5/5....80/1005/54.5/5 Sep 2012 1,099ebay.com
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods 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? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Olympus E-PM1 vs Pentax K-5

    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 Specifications
    Camera Model Olympus E-PM1 Pentax K-5
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Pentax K mount lenses
    Launch Date June 2011 September 2010
    Launch Price USD 499 USD 1,099
    Sensor Specs Olympus E-PM1 Pentax K-5
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor APS-C Sensor
    Sensor Size 17.3 x 13.0 mm 23.7 x 15.7 mm
    Sensor Area 224.9 mm2 372.09 mm2
    Sensor Diagonal 21.6 mm 28.4 mm
    Crop Factor 2.0x 1.5x
    Sensor Resolution 12.2 Megapixels 16.1 Megapixels
    Image Resolution 4032 x 3024 pixels 4928 x 3264 pixels
    Pixel Pitch 4.29 μm 4.81 μm
    Pixel Density 5.42 MP/cm2 4.32 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60i Video 1080/25p Video
    ISO Setting 100 - 12,800 ISO 100 - 12,800 ISO
    ISO Boost no Enhancement 80 - 51,200 ISO
    Image Processor TruePic VI PRIME II
    DXO Sensor Quality (score) 52 82
    DXO Color Depth (bits) 21.0 23.7
    DXO Dynamic Range (EV) 10.3 14.1
    DXO Low Light (ISO) 499 1162
    Screen Specs Olympus E-PM1 Pentax K-5
    Viewfinder Type Viewfinder optional Optical viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.61x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 460k dots 921k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Olympus E-PM1 Pentax K-5
    Focus System Contrast-detect AF Phase-detect AF
    Continuous Shooting 5.5 shutter flaps/s 7 shutter flaps/s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-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 no no
    Connectivity Specs Olympus E-PM1 Pentax K-5
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    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 no Wifi
    Body Specs Olympus E-PM1 Pentax K-5
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type BLS-5 D-LI90
    Battery Life (CIPA)330 shots per charge740 shots per charge
    Body Dimensions 110 x 64 x 34 mm
    (4.3 x 2.5 x 1.3 in)
    131 x 97 x 73 mm
    (5.2 x 3.8 x 2.9 in)
    Camera Weight 265 g (9.3 oz) 760 g (26.8 oz)
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