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Canon M50 Mark II vs Pentax K-3 III

The Canon EOS M50 Mark II and the Pentax K-3 III are two digital cameras that were officially introduced, respectively, in October 2020 and March 2021. The M50 Mark II is a mirrorless interchangeable lens camera, while the K-3 III is a DSLR. Both cameras are equipped with an APS-C sensor. The Canon has a resolution of 24 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
Canon M50 Mark II
versus
Pentax K-3 III
Canon M50 Mark II   Pentax K-3 III
Mirrorless system camera Digital single lens reflex
Canon EF-M mount lenses Pentax K mount lenses
24 MP – APS-C sensor 25.6 MP – APS-C sensor
4K/24p Video 4K/30p Video
ISO 100-25,600 (100 - 51,200) ISO 100-160,000
Electronic viewfinder (2360k dots) Optical viewfinder
3.0" LCD – 1040k dots 3.2" LCD – 1620k dots
Swivel touchscreen Fixed touchscreen
10 shutter flaps per second 12 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
305 shots per battery charge800 shots per battery charge
116 x 88 x 59 mm, 387 g 135 x 104 x 74 mm, 820 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS M50 Mark II 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

The side-by-side display below illustrates the physical size and weight of the Canon M50 Mark II and the Pentax K-3 III. 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 M50 Mark II can be obtained in two different colors (black, white), while the K-3 III is also available in two color-versions, but different ones (black, silver).

Size Canon M50 Mark II vs Pentax K-3 III
Compare M50 Mark II versus K-3 III top
Comparison M50 Mark II 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 notably larger (38 percent) than the Canon M50 Mark II. Moreover, the K-3 III is substantially heavier (112 percent) than the M50 Mark II. It is noteworthy in this context that the K-3 III is splash and dust-proof, while the M50 Mark II 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 M50 Mark II gets 305 shots out of its Canon LP-E12 battery, while the K-3 III can take 800 images on a single charge of its Pentax D-LI90 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.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon M50 Mark II 116 mm 88 mm 59 mm 387 g 305 n Oct 2020 599ebay.com
2.
 
Pentax K-3 III 135 mm 104 mm 74 mm 820 g 800 Y Mar 2021 1,999 amazon.com
3.
 
Canon 200D 122 mm 93 mm 70 mm 453 g 650 n Jun 2017 549ebay.com
4.
 
Canon 250D 122 mm 93 mm 70 mm 449 g 1070 n Apr 2019 599 amazon.com
5.
 
Canon G5 X Mark II 111 mm 61 mm 46 mm 340 g 230 n Jul 2019 899ebay.com
6.
 
Canon M3 111 mm 68 mm 44 mm 366 g 250 n Feb 2015 679ebay.com
7.
 
Canon M6 112 mm 68 mm 45 mm 390 g 295 n Feb 2017 779ebay.com
8.
 
Canon M6 Mark II 120 mm 70 mm 49 mm 408 g 305 n Aug 2019 849ebay.com
9.
 
Canon M50 116 mm 88 mm 59 mm 390 g 235 n Feb 2018 779ebay.com
10.
 
Canon M200 108 mm 67 mm 35 mm 299 g 315 n Sep 2019 549ebay.com
11.
 
Fujifilm X-A7 119 mm 68 mm 41 mm 320 g 440 n Sep 2019 499ebay.com
12.
 
Fujifilm X-T200 121 mm 84 mm 55 mm 370 g 270 n Jan 2020 699ebay.com
13.
 
Panasonic S5 133 mm 98 mm 82 mm 714 g 440 Y Sep 2020 1,999 amazon.com
14.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299ebay.com
15.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 1,099ebay.com
16.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 649ebay.com
17.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 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 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 M50 Mark II 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. 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.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the K-3 III is 9 percent bigger. As a result of these sensor size differences, the cameras have format factors, respectively, of 1.6 (M50 Mark II) and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon M50 Mark II and Pentax K-3 III sensor measures

With 25.6MP, the K-3 III offers a higher resolution than the M50 Mark II (24MP), but the K-3 III nevertheless has marginally larger individual pixels (pixel pitch of 3.76μm versus 3.72μm for the M50 Mark II) due to its larger sensor. Moreover, the K-3 III is a somewhat more recent model (by 5 months) than the M50 Mark II, and its sensor might 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-3 III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The M50 Mark II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the M50 Mark II, 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 Canon EOS M50 Mark II has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 100-51200. 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.

M50 Mark II 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 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon M50 Mark II APS-C 24.0 6000 40004K/24p24.013.6193983
2.
 
Pentax K-3 III APS-C 25.6 6192 41284K/30p24.213.7208385
3.
 
Canon 200D APS-C 24.0 6000 40001080/60p23.613.4104179
4.
 
Canon 250D APS-C 24.0 6000 40004K/25p23.913.4179182
5.
 
Canon G5 X Mark II 1-inch 20.0 5472 36484K/30p22.212.458365
6.
 
Canon M3 APS-C 24.0 6000 40001080/30p22.811.8116972
7.
 
Canon M6 APS-C 24.0 6000 40001080/60p23.412.6131778
8.
 
Canon M6 Mark II APS-C 32.3 6960 46404K/30p24.013.5184883
9.
 
Canon M50 APS-C 24.0 6000 40004K/24p23.813.3168481
10.
 
Canon M200 APS-C 24.0 6000 40004k/25p24.013.5183682
11.
 
Fujifilm X-A7 APS-C 24.0 6000 40004K/30p24.113.6195584
12.
 
Fujifilm X-T200 APS-C 24.0 6000 40004K/30p24.113.6199184
13.
 
Panasonic S5 Full Frame 24.0 6000 40004K/60p25.114.5269794
14.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
15.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
16.
 
Pentax K-70 APS-C 24.0 6000 40001080/60i23.813.1163980
17.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
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-3 III provides a faster frame rate than the M50 Mark II. It can shoot movie footage at 4K/30p, while the Canon is limited to 4K/24p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the M50 Mark II has an electronic viewfinder (2360k dots), while the K-3 III 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 adjacent table lists some of the other core features of the Canon M50 Mark II and Pentax K-3 III along with similar information for a selection of comparators.

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Core Features
  empty 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.
 
Canon M50 Mark II2360 n3.0 / 1040 swivel Y 1/4000s 10.0/s Y n
2.
 
Pentax K-3 IIIoptical Y3.2 / 1620 fixed Y 1/8000s 12.0/s n Y
3.
 
Canon 200Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
4.
 
Canon 250Doptical n3.0 / 1040 swivel Y 1/4000s 5.0/s Y n
5.
 
Canon G5 X Mark II2360 n3.0 / 1040 tilting Y 1/2000s 30/s Y Y
6.
 
Canon M3optional n3.0 / 1040 tilting Y 1/4000s 4.2/s Y n
7.
 
Canon M6optional n3.0 / 1040 tilting Y 1/4000s 9.0/s Y n
8.
 
Canon M6 Mark IIoptional n3.0 / 1040 tilting Y 1/4000s 14.0/s Y n
9.
 
Canon M502360 n3.0 / 1040 swivel Y 1/4000s 10.0/s Y n
10.
 
Canon M200none n3.0 / 1040 tilting Y 1/4000s 6.1/s Y n
11.
 
Fujifilm X-A7none n3.5 / 2760 swivel Y 1/4000s 6.0/s Y n
12.
 
Fujifilm X-T2002360 n3.5 / 2780 swivel Y 1/4000s 8.0/s Y n
13.
 
Panasonic S52360 n3.0 / 1840 swivel Y 1/8000s 7.0/s n Y
14.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
15.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
16.
 
Pentax K-70optical n3.0 / 921 swivel n 1/6000s 6.0/s Y Y
17.
 
Pentax KPoptical n3.0 / 921 tilting n 1/6000s 7.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The M50 Mark II has one, while the K-3 III does not. While the built-in flash of the M50 Mark II is not very powerful, it can at times be useful as a fill-in light.

The M50 Mark II 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 M50 Mark II 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 Canon M50 Mark II 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 M50 Mark II 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 M50 Mark II only has one slot. The K-3 III supports UHS-II cards (on its first slot), while the M50 Mark II 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 Canon EOS M50 Mark II 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
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon M50 Mark IIYstereo / monoY-micro2.0Y-Y
2.
 
Pentax K-3 IIIYstereo / monoYYmicro3.2Y-Y
3.
 
Canon 200DYstereo / monoY-mini2.0YYY
4.
 
Canon 250DYstereo / monoY-mini2.0Y-Y
5.
 
Canon G5 X Mark II-stereo / mono--micro3.1Y-Y
6.
 
Canon M3Ystereo / monoY-mini2.0YY-
7.
 
Canon M6Ystereo / monoY-mini2.0YYY
8.
 
Canon M6 Mark IIYstereo / monoY-micro2.0Y-Y
9.
 
Canon M50Ystereo / monoY-micro2.0Y-Y
10.
 
Canon M200-stereo / mono--micro2.0Y-Y
11.
 
Fujifilm X-A7Ystereo / monoY-micro2.0Y-Y
12.
 
Fujifilm X-T200Ystereo / monoYYmicro3.1Y-Y
13.
 
Panasonic S5Ystereo / monoYYmicro3.2Y-Y
14.
 
Pentax K-3Ymono / monoYYmini3.0---
15.
 
Pentax K-3 IIYmono / monoYYmini3.0---
16.
 
Pentax K-70Ystereo / monoY-mini2.0Y--
17.
 
Pentax KPYstereo / monoY--2.0Y--

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 M50 Mark II lacks such a headphone port.

Studio photographers will appreciate that the Pentax K-3 III (unlike the M50 Mark II) 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 M50 Mark II has been discontinued (but can be found pre-owned on ebay). There has not been a direct replacement model for the M50 Mark II from Canon. Further information on the features and operation of the M50 Mark II and K-3 III can be found, respectively, in the Canon M50 Mark II Manual (free pdf) or the online Pentax K-3 III Manual.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Canon M50 Mark II and the Pentax K-3 III? Which camera is better? The listing below highlights the relative strengths of the two models.

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Advantages of the Canon EOS M50 Mark II:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • 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.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (116x88mm vs 135x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 433g or 53 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 2020).

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Arguments in favor of the Pentax K-3 III:

  • 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 movie framerates (4K/30p versus 4K/24p).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • 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 10 flaps/sec) to capture the decisive moment.
  • Longer lasting: Gets more shots (800 versus 305) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • 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 (5 months) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the K-3 III is the clear winner of the contest (19 : 12 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.

M50 Mark II 12:19 K-3 III

How about other alternatives? Do the specifications of the Canon M50 Mark II 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 partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the M50 Mark II or the K-3 III. 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.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon M50 Mark II4/5..4/5..4.5/53.5/5 Oct 2020 599ebay.com
2.
 
Pentax K-3 III4/5..3/5..4.5/5.. Mar 2021 1,999 amazon.com
3.
 
Canon 200D4/5+ +4/578/1004.5/54.5/5 Jun 2017 549ebay.com
4.
 
Canon 250D4/5o4.5/579/1004/54/5 Apr 2019 599 amazon.com
5.
 
Canon G5 X Mark II4/5+4/582/100..4/5 Jul 2019 899ebay.com
6.
 
Canon M34/5o..75/1004.5/54/5 Feb 2015 679ebay.com
7.
 
Canon M6......80/1004/54/5 Feb 2017 779ebay.com
8.
 
Canon M6 Mark II..+4.5/585/1004/54/5 Aug 2019 849ebay.com
9.
 
Canon M50..+4/579/100..3.5/5 Feb 2018 779ebay.com
10.
 
Canon M200..+3/579/1004/54/5 Sep 2019 549ebay.com
11.
 
Fujifilm X-A73/5..3.5/581/1004/53.5/5 Sep 2019 499ebay.com
12.
 
Fujifilm X-T2003.5/5..4/582/1004/54.5/5 Jan 2020 699ebay.com
13.
 
Panasonic S54.5/5+ +4.5/588/1004.5/54.5/5 Sep 2020 1,999 amazon.com
14.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 1,299ebay.com
15.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 1,099ebay.com
16.
 
Pentax K-704.5/5..4/579/1004.5/54.5/5 Jun 2016 649ebay.com
17.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 1,099ebay.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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. 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.

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    Specifications: Canon M50 Mark II 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 Canon M50 Mark II Pentax K-3 III
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Canon EF-M mount lenses Pentax K mount lenses
    Launch Date October 2020 March 2021
    Launch Price USD 599 USD 1,999
    Sensor Specs Canon M50 Mark II Pentax K-3 III
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 22.3 x 14.9 mm 23.3 x 15.5 mm
    Sensor Area 332.27 mm2 361.15 mm2
    Sensor Diagonal 26.8 mm 28 mm
    Crop Factor 1.6x 1.5x
    Sensor Resolution 24 Megapixels 25.6 Megapixels
    Image Resolution 6000 x 4000 pixels 6192 x 4128 pixels
    Pixel Pitch 3.72 μm 3.76 μm
    Pixel Density 7.22 MP/cm2 7.08 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/24p Video 4K/30p Video
    ISO Setting 100 - 25,600 ISO 100 - 160,000 ISO
    ISO Boost 100 - 51,200 ISO no Enhancement
    Image Processor DIGIC 8 PRIME V
    Screen Specs Canon M50 Mark II Pentax K-3 III
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x
    Viewfinder Resolution 2360k dots
    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 Swivel screen Fixed screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Canon M50 Mark II Pentax K-3 III
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 10 shutter flaps/s 12 shutter flaps/s
    Shutter Life Expectancy100 000 actuations200 000 actuations
    Electronic ShutterYESno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-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 Canon M50 Mark II 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 External MIC port 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 Canon M50 Mark II Pentax K-3 III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Canon LP-E12 Pentax D-LI90
    Battery Life (CIPA)305 shots per charge800 shots per charge
    Body Dimensions 116 x 88 x 59 mm
    (4.6 x 3.5 x 2.3 in)
    135 x 104 x 74 mm
    (5.3 x 4.1 x 2.9 in)
    Camera Weight 387 g (13.7 oz) 820 g (28.9 oz)
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