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Olympus E-M1X vs Pentax K-500

The Olympus OM-D E-M1X and the Pentax K-500 are two digital cameras that were announced, respectively, in January 2019 and June 2013. The E-M1X is a mirrorless interchangeable lens camera, while the K-500 is a DSLR. The cameras are based on a Four Thirds (E-M1X) and an APS-C (K-500) sensor. The Olympus has a resolution of 20.2 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-M1X versus Pentax K-500
Olympus E-M1X Pentax K-500
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Pentax K mount lenses
20.2 MP, Four Thirds Sensor 16.1 MP, APS-C Sensor
4K/30p Video 1080/30p Video
ISO 200-25,600 ISO 100-51,200
Electronic viewfinder (2360k dots) Optical viewfinder
3.0 LCD, 1037k dots 3.0 LCD, 921k dots
Swivel touchscreen Fixed screen (not touch-sensitive)
18 shutter flaps per second 6 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodynot weather sealed
870 shots per battery charge710 shots per battery charge
144 x 147 x 75 mm, 997 g 130 x 97 x 71 mm, 646 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus OM-D E-M1X and the Pentax K-500? 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

An illustration of the physical size and weight of the Olympus E-M1X and the Pentax K-500 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

The E-M1X can be obtained in two different colors (black, silver), while the K-500 is only available in black.

Size Olympus E-M1X vs Pentax K-500
Compare E-M1X versus K-500 top
Comparison E-M1X or K-500 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-500 is considerably smaller (40 percent) than the Olympus E-M1X. Moreover, the K-500 is substantially lighter (35 percent) than the E-M1X. It is worth mentioning in this context that the E-M1X is splash and dust resistant, while the K-500 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.

As can be seen in the images above, the E-M1X has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. The power pack in the E-M1X can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. 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-M1X 144 mm 147 mm 75 mm 997 g 870 Y Jan 2019 2,999 i
2.
 
Pentax K-500 130 mm 97 mm 71 mm 646 g 710 n Jun 2013 549i
3.
 
Olympus E-M1 III 134 mm 91 mm 69 mm 580 g 420 Y Feb 2020 1,799 i
4.
 
Olympus E-M10 IV 122 mm 84 mm 49 mm 383 g 360 n Aug 2020 699 i
5.
 
Olympus E-M5 III 125 mm 85 mm 50 mm 414 g 310 Y Oct 2019 1,199 i
6.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 1,999 i
7.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099i
8.
 
Olympus E-M1 130 mm 94 mm 63 mm 497 g 350 Y Sep 2013 1,399i
9.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 i
10.
 
Panasonic G90 130 mm 94 mm 77 mm 536 g 290 Y Apr 2019 999 i
11.
 
Panasonic G95 130 mm 94 mm 77 mm 536 g 290 Y Apr 2019 999 i
12.
 
Panasonic GH5 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 1,999 i
13.
 
Pentax K-S1 121 mm 93 mm 70 mm 558 g 410 n Aug 2014 749i
14.
 
Pentax K-50 130 mm 97 mm 71 mm 650 g 410 Y Jun 2013 599i
15.
 
Pentax K-30 130 mm 97 mm 71 mm 650 g 410 Y May 2012 849i
16.
 
Pentax K-5 II 131 mm 97 mm 73 mm 760 g 740 Y Sep 2012 1,099i
17.
 
Pentax K-5 131 mm 97 mm 73 mm 760 g 740 Y Sep 2010 1,099i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. 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 K-500 was launched at a markedly lower price (by 82 percent) than the E-M1X, which puts it into a different market segment. 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.

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Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Olympus E-M1X features a Four Thirds sensor and the Pentax K-500 an APS-C sensor. The sensor area in the K-500 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-M1X has a native 4:3 aspect ratio, while the one in the K-500 offers a 3:2 aspect.

Olympus E-M1X and Pentax K-500 sensor measures

Despite having a smaller sensor, the Olympus E-M1X offers a higher resolution of 20.2 megapixels, compared with 16.1 MP of the Pentax K-500. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.34μm versus 4.77μm for the K-500). However, it should be noted that the E-M1X is much more recent (by 5 years and 7 months) than the K-500, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. Coming back to sensor resolution, it should be mentioned that the E-M1X has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Olympus E-M1X implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the E-M1X for good quality output (200 dots per inch) amounts to 25.9 x 19.4 inches or 65.8 x 49.4 cm, for very good quality (250 dpi) 20.7 x 15.6 inches or 52.7 x 39.5 cm, and for excellent quality (300 dpi) 17.3 x 13 inches or 43.9 x 32.9 cm. The corresponding values for the Pentax K-500 are 24.6 x 16.3 inches or 62.6 x 41.5 cm for good quality, 19.7 x 13.1 inches or 50.1 x 33.2 cm for very good quality, and 16.4 x 10.9 inches or 41.7 x 27.6 cm for excellent quality prints.

The E-M1X has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the K-500, the E-M1X has the capacity to capture high quality composite images (80MP) 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 OM-D E-M1X has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 64-25600. The corresponding ISO settings for the Pentax K-500 are ISO 100 to ISO 51200 (no boost).

E-M1X versus K-500 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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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-M1X Four Thirds 20.2 5184 38884K/30p........
2.
 
Pentax K-500 APS-C 16.1 4928 32641080/30p23.713.1108779
3.
 
Olympus E-M1 III Four Thirds 20.2 5184 38884K/30p........
4.
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p........
5.
 
Olympus E-M5 III Four Thirds 20.2 5184 38884K/30p........
6.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
7.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
8.
 
Olympus E-M1 Four Thirds 15.9 4608 34561080/30p23.012.775773
9.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
10.
 
Panasonic G90 Four Thirds 20.2 5184 38884K/30p........
11.
 
Panasonic G95 Four Thirds 20.2 5184 38884K/30p........
12.
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777
13.
 
Pentax K-S1 APS-C 20.0 5472 36481080/30p23.513.0106178
14.
 
Pentax K-50 APS-C 16.1 4928 32641080/30p23.713.0112079
15.
 
Pentax K-30 APS-C 16.1 4928 32641080/30p23.713.0112979
16.
 
Pentax K-5 II APS-C 16.1 4928 32641080/25p23.814.1123582
17.
 
Pentax K-5 APS-C 16.1 4928 32641080/25p23.714.1116282

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the E-M1X provides a higher video resolution than the K-500. It can shoot video footage at 4K/30p, while the Pentax is limited to 1080/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the E-M1X has an electronic viewfinder (2360k dots), while the K-500 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the E-M1X has a higher magnification than the one of the K-500 (0.83x vs 0.61x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Olympus E-M1X and Pentax K-500 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
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Olympus E-M1X2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y
2.
 
Pentax K-500optical n 3.0 921 fixed n 1/6000s 6.0 Y Y
3.
 
Olympus E-M1 III2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y
4.
 
Olympus E-M10 IV2360 n 3.0 1040 tilting Y 1/4000s 15.0 Y Y
5.
 
Olympus E-M5 III2360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y
6.
 
Olympus E-M1 II2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y
7.
 
Olympus E-M5 II2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y
8.
 
Olympus E-M12360 n 3.0 1037 tilting Y 1/8000s 10.0 n Y
9.
 
Panasonic S15760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y
10.
 
Panasonic G902360 n 3.0 1240 swivel Y 1/4000s 9.0 Y Y
11.
 
Panasonic G952360 n 3.0 1240 swivel Y 1/4000s 9.0 Y Y
12.
 
Panasonic GH53680 n 3.2 1620 swivel Y 1/8000s 12.0 n Y
13.
 
Pentax K-S1optical n 3.0 921 fixed n 1/6000s 5.4 Y Y
14.
 
Pentax K-50optical n 3.0 921 fixed n 1/6000s 6.0 Y Y
15.
 
Pentax K-30optical n 3.0 921 fixed n 1/6000s 6.0 Y Y
16.
 
Pentax K-5 IIoptical Y 3.0 921 fixed n 1/8000s 7.0 Y Y
17.
 
Pentax K-5optical Y 3.0 921 fixed n 1/8000s 7.0 Y Y

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The E-M1X has a touchscreen, while the K-500 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The E-M1X has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the K-500 does not have a selfie-screen.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the E-M1X is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Olympus E-M1X and the Pentax K-500 both have 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-M1X and the K-500 write their files to SDXC cards. The E-M1X features dual card slots, which can be very useful in case a memory card fails. In contrast, the K-500 only has one slot. The E-M1X supports UHS-II cards (on both slots), while the K-500 cannot take advantage of Ultra High Speed SD cards.

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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 OM-D E-M1X and Pentax K-500 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
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-M1XYstereomonoYYmicro3.0Y-Y
2.
 
Pentax K-500Ymonomono---2.0---
3.
 
Olympus E-M1 IIIYstereomonoYYmicro3.1Y-Y
4.
 
Olympus E-M10 IVYstereomono--micro2.0Y-Y
5.
 
Olympus E-M5 IIIYstereomonoY-micro2.0Y-Y
6.
 
Olympus E-M1 IIYstereomonoYYmicro3.0Y--
7.
 
Olympus E-M5 IIYstereomonoY-micro2.0Y--
8.
 
Olympus E-M1YstereomonoY-micro2.0Y--
9.
 
Panasonic S1YstereomonoYYfull3.1Y-Y
10.
 
Panasonic G90YstereomonoYYmicro2.0Y-Y
11.
 
Panasonic G95YstereomonoYYmicro2.0Y-Y
12.
 
Panasonic GH5YstereomonoYYfull3.1Y-Y
13.
 
Pentax K-S1Ystereomono--micro2.0---
14.
 
Pentax K-50Ymonomono--micro2.0---
15.
 
Pentax K-30Ymonomono---2.0---
16.
 
Pentax K-5 IIYstereomonoY-mini2.0---
17.
 
Pentax K-5YstereomonoY-mini2.0---

It is notable that the E-M1X has a microphone port, which is missing on the K-500. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Studio photographers will appreciate that the Olympus E-M1X (unlike the K-500) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the E-M1X has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The E-M1X is a recent model that features in the current product line-up of Olympus. In contrast, the K-500 has been discontinued (but can be found pre-owned on eBay). There has not been a direct replacement model for the K-500 from Pentax. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Olympus and Pentax websites.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Olympus E-M1X and the Pentax K-500? Which camera is better? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Olympus OM-D E-M1X:

  • More detail: Offers more megapixels (20.2 vs 16.1MP) with a 10% higher linear resolution.
  • 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 video: Provides higher definition movie capture (4K/30p vs 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.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.83x vs 0.61x).
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 921k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/6000s) to freeze action.
  • Faster burst: Shoots at higher frequency (18 vs 6 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (870 versus 710) on a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II) SDXC cards on both slots.
  • More modern: Reflects 5 years and 7 months of technical progress since the K-500 launch.

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Advantages of the Pentax K-500:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More compact: Is smaller (130x97mm vs 144x147mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 351g or 35 percent) and is thus easier to take along.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (82 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in June 2013).

If the count of relative strengths (bullet points above) is taken as a measure, the E-M1X is the clear winner of the match-up (29 : 7 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

E-M1X 29:07 K-500

How about other alternatives? Do the specifications of the Olympus E-M1X and the Pentax K-500 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 incomplete and does no justice, for example, to the way the E-M1X or the K-500 perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], 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 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-M1X4.5/5o..4.5/5.. Jan 2019 2,999 i
2.
 
Pentax K-500......4.5/54.5/5 Jun 2013 549i
3.
 
Olympus E-M1 III5/5..83/1004.5/54/5 Feb 2020 1,799 i
4.
 
Olympus E-M10 IV4.5/5....4.5/54.5/5 Aug 2020 699 i
5.
 
Olympus E-M5 III5/5+82/1004.5/54.5/5 Oct 2019 1,199 i
6.
 
Olympus E-M1 II5/5+ +85/1004.5/54.5/5 Sep 2016 1,999 i
7.
 
Olympus E-M5 II5/5+ +81/1005/55/5 Feb 2015 1,099i
8.
 
Olympus E-M15/5+ +84/1004.5/54.5/5 Sep 2013 1,399i
9.
 
Panasonic S14.5/5+ +88/1004.5/54/5 Feb 2019 2,499 i
10.
 
Panasonic G904.5/5+83/1004.5/54.5/5 Apr 2019 999 i
11.
 
Panasonic G954.5/5+83/1004.5/54.5/5 Apr 2019 999 i
12.
 
Panasonic GH54.5/5+ +85/1004.5/55/5 Jan 2017 1,999 i
13.
 
Pentax K-S14/5....4.5/54/5 Aug 2014 749i
14.
 
Pentax K-505/5....5/54.5/5 Jun 2013 599i
15.
 
Pentax K-304/5..78/1004.5/54.5/5 May 2012 849i
16.
 
Pentax K-5 II5/5..80/1005/54.5/5 Sep 2012 1,099i
17.
 
Pentax K-54/5..83/1005/54.5/5 Sep 2010 1,099i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Olympus E-M1X:
Check Amazon price
Pentax K-500:
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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just use the search menu 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-M1X vs Pentax K-500

    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-M1X Pentax K-500
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Pentax K mount lenses
    Launch Date January 2019 June 2013
    Launch Price USD 2,999 USD 549
    Sensor Specs Olympus E-M1X Pentax K-500
    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 20.2 Megapixels 16.1 Megapixels
    Image Resolution 5184 x 3888 pixels 4928 x 3264 pixels
    Pixel Pitch 3.34 μm 4.77 μm
    Pixel Density 8.96 MP/cm2 4.39 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/30p Video
    ISO Setting 200 - 25,600 ISO 100 - 51,200 ISO
    ISO Boost 64 - 25,600 ISO no Enhancement
    Image Processor Dual TruePic VIII PRIME M
    DXO Sensor Quality (score) .. 79
    DXO Color Depth (bits) .. 23.7
    DXO Dynamic Range (EV) .. 13.1
    DXO Low Light (ISO) .. 1087
    Screen Specs Olympus E-M1X Pentax K-500
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.83x 0.61x
    Viewfinder Resolution 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1037k dots 921k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Olympus E-M1X Pentax K-500
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/6000s
    Continuous Shooting 18 shutter flaps/s 6 shutter flaps/s
    Electronic Shutterup to 1/32000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support Dual UHS-II no
    Connectivity Specs Olympus E-M1X Pentax K-500
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 2.0
    HDMI Port micro HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in no Wifi
    Bluetooth Support Bluetooth built-in no Bluetooth
    Geotagging GPS built-in no internal GPS
    Body Specs Olympus E-M1X Pentax K-500
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type BLH-1 4xAA
    Battery Life (CIPA)870 shots per charge710 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 144 x 147 x 75 mm
    (5.7 x 5.8 x 3.0 in)
    130 x 97 x 71 mm
    (5.1 x 3.8 x 2.8 in)
    Camera Weight 997 g (35.2 oz) 646 g (22.8 oz)

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