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Olympus E-PL10 vs Pentax K-3 III

The Olympus PEN E-PL10 and the Pentax K-3 III are two digital cameras that were announced, respectively, in October 2019 and March 2021. The E-PL10 is a mirrorless interchangeable lens camera, while the K-3 III is a DSLR. The cameras are based on a Four Thirds (E-PL10) and an APS-C (K-3 III) sensor. The Olympus has a resolution of 15.9 megapixels, whereas the Pentax provides 25.6 MP.

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

Headline Specifications
Olympus E-PL10
versus
Pentax K-3 III
Olympus E-PL10   Pentax K-3 III
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Pentax K mount lenses
15.9 MP – Four Thirds sensor 25.6 MP – APS-C sensor
4K/30p Video 4K/30p Video
ISO 200-6,400 (100 - 25,600) ISO 100-160,000
No viewfinder, LCD framing Optical viewfinder
3.0" LCD – 1040k dots 3.2" LCD – 1620k dots
Tilting touchscreen Fixed touchscreen
8.6 shutter flaps per second 12 shutter flaps per second
In-body stabilizationIn-body stabilization
not weather sealedWeathersealed body
350 shots per battery charge800 shots per battery charge
117 x 68 x 39 mm, 380 g 135 x 104 x 74 mm, 820 g
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Check E-PL10 offers at
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Check K-3 III price at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus PEN E-PL10 and the Pentax K-3 III? 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.

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Body comparison

An illustration of the physical size and weight of the Olympus E-PL10 and the Pentax K-3 III is provided in the side-by-side display below. 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-PL10 can be obtained in four different colors (black, brown, blue, white), while the K-3 III is available in two color-versions (black, silver).

Size Olympus E-PL10 vs Pentax K-3 III
Compare E-PL10 versus K-3 III top
Comparison E-PL10 or K-3 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-3 III is considerably larger (76 percent) than the Olympus E-PL10. Moreover, the K-3 III is substantially heavier (116 percent) than the E-PL10. It is noteworthy in this context that the K-3 III is splash and dust-proof, while the E-PL10 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-PL10 gets 350 shots out of its Olympus BLS-50 battery, while the K-3 III can take 800 images on a single charge of its Pentax D-LI90 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-PL10 117 mm 68 mm 39 mm 380 g 350 n Oct 2019 599ebay.com
2.
 
Pentax K-3 III 135 mm 104 mm 74 mm 820 g 800 Y Mar 2021 1,999 amazon.com
3.
 
Fujifilm X-H1 140 mm 97 mm 86 mm 673 g 310 Y Feb 2018 1,899ebay.com
4.
 
Olympus E-M10 IV 122 mm 84 mm 49 mm 383 g 360 n Aug 2020 699 amazon.com
5.
 
Olympus E-PL9 117 mm 68 mm 39 mm 380 g 350 n Feb 2018 599ebay.com
6.
 
Olympus E-M10 III 122 mm 84 mm 50 mm 410 g 330 n Aug 2017 649ebay.com
7.
 
Olympus E-PL8 115 mm 67 mm 38 mm 357 g 350 n Sep 2016 549ebay.com
8.
 
Olympus E-M10 II 120 mm 83 mm 47 mm 390 g 320 n Aug 2015 649ebay.com
9.
 
Olympus E-M10 119 mm 82 mm 46 mm 396 g 320 n Jan 2014 699ebay.com
10.
 
Olympus E-PL7 115 mm 67 mm 38 mm 357 g 350 n Aug 2014 599ebay.com
11.
 
Olympus E-P5 122 mm 69 mm 37 mm 420 g 330 n May 2013 999ebay.com
12.
 
Olympus E-PL6 111 mm 64 mm 38 mm 325 g 360 n May 2013 599ebay.com
13.
 
Olympus E-PL5 111 mm 64 mm 38 mm 325 g 360 n Sep 2012 599ebay.com
14.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 1,099ebay.com
15.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 649ebay.com
16.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 1,099ebay.com
17.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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The price is, of course, an important factor in any camera decision. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The E-PL10 was launched at a markedly lower price (by 70 percent) than the K-3 III, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the 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-PL10 features a Four Thirds sensor and the Pentax K-3 III an APS-C sensor. The sensor area in the K-3 III is 60 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-PL10 has a native 4:3 aspect ratio, while the one in the K-3 III offers a 3:2 aspect.

Olympus E-PL10 and Pentax K-3 III sensor measures

With 25.6MP, the K-3 III offers a higher resolution than the E-PL10 (15.9MP), but the K-3 III nevertheless has the same individual pixel size (pixel pitch of 3.76μm) as the E-PL10 due to its larger sensor. Moreover, the K-3 III is a somewhat more recent model (by 1 year and 5 months) than the E-PL10, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the K-3 III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Pentax K-3 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-3 III for good quality output (200 dots per inch) amounts to 31 x 20.6 inches or 78.6 x 52.4 cm, for very good quality (250 dpi) 24.8 x 16.5 inches or 62.9 x 41.9 cm, and for excellent quality (300 dpi) 20.6 x 13.8 inches or 52.4 x 35 cm. The corresponding values for the Olympus E-PL10 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.

Unlike the E-PL10, the K-3 III has the capacity to capture high quality composite images (YESMP) 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-PL10 has a native sensitivity range from ISO 200 to ISO 6400, which can be extended to ISO 100-25600. The corresponding ISO settings for the Pentax K-3 III are ISO 100 to ISO 160000 (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.

E-PL10 versus K-3 III MP

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 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Olympus E-PL10 Four Thirds 15.9 4608 34564K/30p23.313.1132476
2.
 
Pentax K-3 III APS-C 25.6 6192 41284K/30p24.213.7208385
3.
 
Fujifilm X-H1 APS-C 24.0 6000 40004K/30p24.013.3180682
4.
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p23.313.2140276
5.
 
Olympus E-PL9 Four Thirds 15.9 4608 34564K/30p23.112.8116274
6.
 
Olympus E-M10 III Four Thirds 15.9 4608 34564K/30p23.112.8112074
7.
 
Olympus E-PL8 Four Thirds 15.9 4608 34561080/30p23.012.6103073
8.
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
9.
 
Olympus E-M10 Four Thirds 15.9 4608 34561080/30p22.812.388472
10.
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372
11.
 
Olympus E-P5 Four Thirds 15.9 4608 34561080/30p22.812.489572
12.
 
Olympus E-PL6 Four Thirds 15.9 4608 34561080/30p22.512.071768
13.
 
Olympus E-PL5 Four Thirds 15.9 4608 34561080/30p22.812.388972
14.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
15.
 
Pentax K-70 APS-C 24.0 6000 40001080/60i23.813.1163980
16.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
17.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (4K/30p).

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the K-3 III has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the E-PL10 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Olympus E-PL10, the Pentax K-3 III, and comparable cameras.

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Core Features
# image 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-PL10none n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
2.
 
Pentax K-3 IIIoptical Y3.2 / 1620 fixed Y 1/8000s 12.0/s n Y
3.
 
Fujifilm X-H13690 Y3.0 / 1040 full-flex Y 1/8000s 14.0/s n Y
4.
 
Olympus E-M10 IV2360 n3.0 / 1040 tilting Y 1/4000s 15.0/s Y Y
5.
 
Olympus E-PL9none n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
6.
 
Olympus E-M10 III2360 n3.0 / 1040 tilting Y 1/4000s 8.6/s Y Y
7.
 
Olympus E-PL8optional n3.0 / 1037 tilting Y 1/4000s 8.0/s n Y
8.
 
Olympus E-M10 II2360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y Y
9.
 
Olympus E-M101440 n3.0 / 1037 tilting Y 1/4000s 8.0/s Y Y
10.
 
Olympus E-PL7optional n3.0 / 1037 tilting Y 1/4000s 8.0/s n Y
11.
 
Olympus E-P5optional n3.0 / 1037 tilting Y 1/8000s 9.0/s Y Y
12.
 
Olympus E-PL6optional n3.0 / 460 tilting Y 1/4000s 8.0/s n Y
13.
 
Olympus E-PL5optional n3.0 / 460 tilting Y 1/4000s 8.0/s n Y
14.
 
Pentax KPoptical n3.0 / 921 tilting n 1/6000s 7.0/s Y Y
15.
 
Pentax K-70optical n3.0 / 921 swivel n 1/6000s 6.0/s Y Y
16.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
17.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One difference between the cameras concerns the presence of an on-board flash. The E-PL10 has one, while the K-3 III does not. While the built-in flash of the E-PL10 is not very powerful, it can at times be useful as a fill-in light.

The E-PL10 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-3 III 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-PL10 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-PL10 and the Pentax K-3 III 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-PL10 and the K-3 III write their files to SDXC cards. The K-3 III features dual card slots, which can be very useful in case a memory card fails. In contrast, the E-PL10 only has one slot. The K-3 III supports UHS-II cards (on its first slot), while the E-PL10 can use UHS-I 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 PEN E-PL10 and Pentax K-3 III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Olympus E-PL10Ystereo / mono--micro2.0Y-Y
2.
 
Pentax K-3 IIIYstereo / monoYYmicro3.2Y-Y
3.
 
Fujifilm X-H1Ystereo / monoY-micro3.0Y--
4.
 
Olympus E-M10 IVYstereo / mono--micro2.0Y-Y
5.
 
Olympus E-PL9Ystereo / mono--micro2.0Y-Y
6.
 
Olympus E-M10 IIIYstereo / mono--micro2.0Y--
7.
 
Olympus E-PL8Ystereo / mono--micro2.0Y--
8.
 
Olympus E-M10 IIYstereo / mono--micro2.0Y--
9.
 
Olympus E-M10Ystereo / mono--micro2.0Y--
10.
 
Olympus E-PL7Ystereo / mono--micro2.0Y--
11.
 
Olympus E-P5Ystereo / mono--micro2.0Y--
12.
 
Olympus E-PL6Ystereo / mono--mini2.0---
13.
 
Olympus E-PL5Ystereo / mono--mini2.0---
14.
 
Pentax KPYstereo / monoY--2.0Y--
15.
 
Pentax K-70Ystereo / monoY-mini2.0Y--
16.
 
Pentax K-3 IIYmono / monoYYmini3.0---
17.
 
Pentax K-3Ymono / monoYYmini3.0---
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It is notable that the K-3 III has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The E-PL10 lacks such a headphone port.

Studio photographers will appreciate that the Pentax K-3 III (unlike the E-PL10) 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 K-3 III has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The K-3 III is a recent model that features in the current product line-up of Pentax. In contrast, the E-PL10 has been discontinued (but can be found pre-owned on ebay). There has not been a direct replacement model for the E-PL10 from Olympus. Further information on the features and operation of the E-PL10 and K-3 III can be found, respectively, in the Olympus E-PL10 Manual (free pdf) or the online Pentax K-3 III Manual.

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Review summary

So how do things add up? Is the Olympus E-PL10 better than the Pentax K-3 III or vice versa? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Olympus PEN E-PL10:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (117x68mm vs 135x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 440g or 54 percent) and hence easier to carry around.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (70 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in October 2019).

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Arguments in favor of the Pentax K-3 III:

  • More detail: Has more megapixels (25.6 vs 15.9MP), which boosts linear resolution by 29%.
  • 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 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.
  • 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.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1620k vs 1040k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (12 vs 8.6 flaps/sec) to capture the decisive moment.
  • Longer lasting: Gets more shots (800 versus 350) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
  • 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 a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Was introduced somewhat (1 year and 5 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the K-3 III is the clear winner of the contest (23 : 10 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-PL10 10:23 K-3 III

How about other alternatives? Do the specifications of the Olympus E-PL10 and the Pentax K-3 III 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 incomplete and does no justice, for example, to the way the E-PL10 or the K-3 III perform in practice. 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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Olympus E-PL10....4/577/100..4/5 Oct 2019 599ebay.com
2.
 
Pentax K-3 III4/5..3/5..4.5/5.. Mar 2021 1,999 amazon.com
3.
 
Fujifilm X-H1..+5/586/1004.5/54.5/5 Feb 2018 1,899ebay.com
4.
 
Olympus E-M10 IV4.5/5..5/581/1004.5/54.5/5 Aug 2020 699 amazon.com
5.
 
Olympus E-PL9..+....4.5/54/5 Feb 2018 599ebay.com
6.
 
Olympus E-M10 III..+5/580/1004.5/54.5/5 Aug 2017 649ebay.com
7.
 
Olympus E-PL8........4.5/54/5 Sep 2016 549ebay.com
8.
 
Olympus E-M10 II4.5/5+ +..80/1005/55/5 Aug 2015 649ebay.com
9.
 
Olympus E-M104/5....80/1005/55/5 Jan 2014 699ebay.com
10.
 
Olympus E-PL74/5+....5/54/5 Aug 2014 599ebay.com
11.
 
Olympus E-P55/5+ +..78/1004.5/55/5 May 2013 999ebay.com
12.
 
Olympus E-PL6............ May 2013 599ebay.com
13.
 
Olympus E-PL53/5+ +....4.5/54.5/5 Sep 2012 599ebay.com
14.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 1,099ebay.com
15.
 
Pentax K-704.5/5..4/579/1004.5/54.5/5 Jun 2016 649ebay.com
16.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 1,099ebay.com
17.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 1,299ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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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. A score, therefore, has to be seen in close connection to the price and market introduction time 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 use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Olympus E-PL10 vs Pentax K-3 III

    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-PL10 Pentax K-3 III
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Pentax K mount lenses
    Launch Date October 2019 March 2021
    Launch Price USD 599 USD 1,999
    Sensor Specs Olympus E-PL10 Pentax K-3 III
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor APS-C Sensor
    Sensor Size 17.3 x 13.0 mm 23.3 x 15.5 mm
    Sensor Area 224.9 mm2 361.15 mm2
    Sensor Diagonal 21.6 mm 28 mm
    Crop Factor 2.0x 1.5x
    Sensor Resolution 15.9 Megapixels 25.6 Megapixels
    Image Resolution 4608 x 3456 pixels 6192 x 4128 pixels
    Pixel Pitch 3.76 μm 3.76 μm
    Pixel Density 7.08 MP/cm2 7.08 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/30p Video 4K/30p Video
    ISO Setting 200 - 6,400 ISO 100 - 160,000 ISO
    ISO Boost 100 - 25,600 ISO no Enhancement
    Image Processor TruePic VIII PRIME V
    Screen Specs Olympus E-PL10 Pentax K-3 III
    Viewfinder Type no viewfinder Optical viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.70x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 1040k dots 1620k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Olympus E-PL10 Pentax K-3 III
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 8.6 shutter flaps/s 12 shutter flaps/s
    Electronic Shutterup to 1/16000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-I Single UHS-II
    Connectivity Specs Olympus E-PL10 Pentax K-3 III
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.2
    HDMI Port micro HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Geotagging no internal GPS GPS built-in
    Body Specs Olympus E-PL10 Pentax K-3 III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Olympus BLS-50 Pentax D-LI90
    Battery Life (CIPA)350 shots per charge800 shots per charge
    Body Dimensions 117 x 68 x 39 mm
    (4.6 x 2.7 x 1.5 in)
    135 x 104 x 74 mm
    (5.3 x 4.1 x 2.9 in)
    Camera Weight 380 g (13.4 oz) 820 g (28.9 oz)
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