Canon M6 Mark II vs Pentax K-S1
The Canon EOS M6 Mark II and the Pentax K-S1 are two digital cameras that were officially introduced, respectively, in August 2019 and August 2014. The M6 Mark II is a mirrorless interchangeable lens camera, while the K-S1 is a DSLR. Both cameras are equipped with an APS-C sensor. The Canon has a resolution of 32.3 megapixels, whereas the Pentax provides 20 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.

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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS M6 Mark II and the Pentax K-S1? 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 Canon M6 Mark II and the Pentax K-S1 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 size dimensions are rounded to the nearest millimeter.
The K-S1 can be obtained in four different colors (black, grey, orange, white), while the M6 Mark II is only available in black.



If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-S1 is notably larger (34 percent) than the Canon M6 Mark II. Moreover, the K-S1 is substantially heavier (37 percent) than the M6 Mark II. In this context, it is worth noting that neither the M6 Mark II nor the K-S1 are weather-sealed.
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 M6 Mark II gets 305 shots out of its Canon LP-E17 battery, while the K-S1 can take 410 images on a single charge of its Pentax D-LI109 power pack. The power pack in the M6 Mark II can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.
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.

| Camera Model |
Camera Width |
Camera Height |
Camera Depth |
Camera Weight |
Battery Life |
Weather Sealing |
Camera Launch |
Launch Price |
Street Price |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Canon M6 Mark II | 120 mm | 70 mm | 49 mm | 408 g | 305 | n | Aug 2019 | US$ 849 | ebay.com | |
| 2. | Pentax K-S1 | 121 mm | 93 mm | 70 mm | 558 g | 410 | n | Aug 2014 | US$ 749 | ebay.com | |
| 3. | Canon 2000D | 129 mm | 101 mm | 78 mm | 475 g | 500 | n | Feb 2018 | US$ 449 | amazon.com | |
| 4. | Canon 4000D | 129 mm | 102 mm | 77 mm | 436 g | 500 | n | Feb 2018 | US$ 399 | amazon.com | |
| 5. | Canon G5 X Mark II | 111 mm | 61 mm | 46 mm | 340 g | 230 | n | Jul 2019 | US$ 899 | ebay.com | |
| 6. | Canon M5 | 116 mm | 89 mm | 61 mm | 427 g | 295 | n | Sep 2016 | US$ 979 | ebay.com | |
| 7. | Canon M6 | 112 mm | 68 mm | 45 mm | 390 g | 295 | n | Feb 2017 | US$ 779 | ebay.com | |
| 8. | Canon M50 | 116 mm | 88 mm | 59 mm | 390 g | 235 | n | Feb 2018 | US$ 779 | ebay.com | |
| 9. | Canon M50 Mark II | 116 mm | 88 mm | 59 mm | 387 g | 305 | n | Oct 2020 | US$ 599 | ebay.com | |
| 10. | Canon RP | 133 mm | 85 mm | 70 mm | 485 g | 250 | n | Feb 2019 | US$ 1 299 | amazon.com | |
| 11. | Nikon D5300 | 125 mm | 98 mm | 76 mm | 480 g | 600 | n | Oct 2013 | US$ 799 | ebay.com | |
| 12. | Panasonic LX100 II | 115 mm | 66 mm | 65 mm | 392 g | 300 | n | Aug 2018 | US$ 999 | ebay.com | |
| 13. | Pentax K-3 | 131 mm | 100 mm | 77 mm | 800 g | 560 | Y | Oct 2013 | US$ 1 299 | ebay.com | |
| 14. | Pentax K-500 | 130 mm | 97 mm | 71 mm | 646 g | 710 | n | Jun 2013 | US$ 549 | ebay.com | |
| 15. | Pentax K-S2 | 123 mm | 91 mm | 73 mm | 678 g | 410 | Y | Feb 2015 | US$ 749 | ebay.com | |
| 16. | Sony A68 | 143 mm | 104 mm | 81 mm | 610 g | 540 | n | Nov 2015 | US$ 699 | ebay.com | |
| 17. | Sony A6400 | 120 mm | 67 mm | 50 mm | 403 g | 410 | Y | Jan 2019 | US$ 899 | amazon.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 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-S1 was launched at a somewhat lower price (by 12 percent) than the M6 Mark II, which makes it more attractive for photographers on a tight budget. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.
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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to 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-S1 is 9 percent bigger. As a result of these sensor size differences, the cameras have format factors, respectively, of 1.6 (M6 Mark II) and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Despite having a smaller sensor, the Canon M6 Mark II offers a higher resolution of 32.3 megapixels, compared with 20 MP of the Pentax K-S1. 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 3.23μm versus 4.28μm for the K-S1). However, it should be noted that the M6 Mark II is much more recent (by 5 years) than the K-S1, 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 K-S1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The resolution advantage of the Canon M6 Mark II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the M6 Mark II for good quality output (200 dots per inch) amounts to 34.8 x 23.2 inches or 88.4 x 58.9 cm, for very good quality (250 dpi) 27.8 x 18.6 inches or 70.7 x 47.1 cm, and for excellent quality (300 dpi) 23.2 x 15.5 inches or 58.9 x 39.3 cm. The corresponding values for the Pentax K-S1 are 27.4 x 18.2 inches or 69.5 x 46.3 cm for good quality, 21.9 x 14.6 inches or 55.6 x 37.1 cm for very good quality, and 18.2 x 12.2 inches or 46.3 x 30.9 cm for excellent quality prints.
The M6 Mark II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
The Canon EOS M6 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-S1 are ISO 100 to ISO 51200 (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.

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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.

| Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports |
DXO Overall |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Canon M6 Mark II | APS-C | 32.3 | 6960 | 4640 | 4K/30p | 24.0 | 13.5 | 1848 | 83 | |
| 2. | Pentax K-S1 | APS-C | 20.0 | 5472 | 3648 | 1080/30p | 23.5 | 13.0 | 1061 | 78 | |
| 3. | Canon 2000D | APS-C | 24.0 | 6000 | 4000 | 1080/30p | 22.6 | 11.9 | 1009 | 71 | |
| 4. | Canon 4000D | APS-C | 17.9 | 5184 | 3456 | 1080/30p | 21.9 | 11.4 | 695 | 63 | |
| 5. | Canon G5 X Mark II | 1-inch | 20.0 | 5472 | 3648 | 4K/30p | 22.2 | 12.4 | 583 | 65 | |
| 6. | Canon M5 | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 23.4 | 12.4 | 1262 | 77 | |
| 7. | Canon M6 | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 23.4 | 12.6 | 1317 | 78 | |
| 8. | Canon M50 | APS-C | 24.0 | 6000 | 4000 | 4K/24p | 23.8 | 13.3 | 1684 | 81 | |
| 9. | Canon M50 Mark II | APS-C | 24.0 | 6000 | 4000 | 4K/24p | 24.0 | 13.6 | 1939 | 83 | |
| 10. | Canon RP | Full Frame | 26.0 | 6240 | 4160 | 4K/30p | 24.3 | 11.9 | 2977 | 85 | |
| 11. | Nikon D5300 | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 24.0 | 13.9 | 1338 | 83 | |
| 12. | Panasonic LX100 II | Four Thirds | 16.8 | 4736 | 3552 | 4K/30p | 22.8 | 12.7 | 979 | 72 | |
| 13. | Pentax K-3 | APS-C | 24.1 | 6016 | 4000 | 1080/60i | 23.7 | 13.4 | 1216 | 80 | |
| 14. | Pentax K-500 | APS-C | 16.1 | 4928 | 3264 | 1080/30p | 23.7 | 13.1 | 1087 | 79 | |
| 15. | Pentax K-S2 | APS-C | 20.0 | 5472 | 3648 | 1080/30p | 23.6 | 12.9 | 1514 | 79 | |
| 16. | Sony A68 | APS-C | 24.0 | 6000 | 4000 | 1080/60i | 24.1 | 13.5 | 701 | 79 | |
| 17. | Sony A6400 | APS-C | 24.0 | 6000 | 4000 | 4K/30p | 24.0 | 13.6 | 1431 | 83 | |
| Note: DXO values in italics represent estimates based on sensor size and age. | |||||||||||
Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the M6 Mark II provides a higher video resolution than the K-S1. It can shoot video footage at 4K/30p, while the Pentax is limited to 1080/30p.
Feature comparison
Beyond body and sensor, cameras can and do differ across a range of features. For example, the K-S1 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the M6 Mark II relies on live view and the rear LCD for framing. That said, the M6 Mark II can be equipped with an optional viewfinder – the EVF-DC2. The adjacent table lists some of the other core features of the Canon M6 Mark II and Pentax K-S1 along with similar information for a selection of comparators.

| Camera Model |
Viewfinder (Type or 000 dots) |
Control Panel (yes/no) |
LCD Specifications (inch/000 dots) |
LCD Attach- ment |
Touch Screen (yes/no) |
Max Shutter Speed * |
Max Shutter Flaps * |
Built-in Flash (yes/no) |
Built-in Image Stab |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Canon M6 Mark II | optional | n | 3.0 / 1040 | tilting | Y | 1/4000s | 14.0/s | Y | n | |
| 2. | Pentax K-S1 | optical | n | 3.0 / 921 | fixed | n | 1/6000s | 5.4/s | Y | Y | |
| 3. | Canon 2000D | optical | n | 3.0 / 920 | fixed | n | 1/4000s | 3.0/s | Y | n | |
| 4. | Canon 4000D | optical | n | 2.7 / 230 | fixed | n | 1/4000s | 3.0/s | Y | n | |
| 5. | Canon G5 X Mark II | 2360 | n | 3.0 / 1040 | tilting | Y | 1/2000s | 30/s | Y | Y | |
| 6. | Canon M5 | 2360 | n | 3.2 / 1620 | tilting | Y | 1/4000s | 9.0/s | Y | n | |
| 7. | Canon M6 | optional | n | 3.0 / 1040 | tilting | Y | 1/4000s | 9.0/s | Y | n | |
| 8. | Canon M50 | 2360 | n | 3.0 / 1040 | swivel | Y | 1/4000s | 10.0/s | Y | n | |
| 9. | Canon M50 Mark II | 2360 | n | 3.0 / 1040 | swivel | Y | 1/4000s | 10.0/s | Y | n | |
| 10. | Canon RP | 2360 | n | 3.0 / 1040 | swivel | Y | 1/4000s | 5.0/s | n | n | |
| 11. | Nikon D5300 | optical | n | 3.2 / 1037 | swivel | n | 1/4000s | 5.0/s | Y | n | |
| 12. | Panasonic LX100 II | 2764 | n | 3.0 / 1240 | fixed | Y | 1/4000s | 11.0/s | n | Y | |
| 13. | Pentax K-3 | optical | Y | 3.2 / 1037 | fixed | n | 1/8000s | 8.3/s | Y | Y | |
| 14. | Pentax K-500 | optical | n | 3.0 / 921 | fixed | n | 1/6000s | 6.0/s | Y | Y | |
| 15. | Pentax K-S2 | optical | n | 3.0 / 921 | swivel | n | 1/6000s | 5.4/s | Y | Y | |
| 16. | Sony A68 | 1440 | Y | 2.7 / 460 | tilting | n | 1/4000s | 8.0/s | Y | Y | |
| 17. | Sony A6400 | 2359 | n | 3.0 / 922 | tilting | Y | 1/4000s | 11.0/s | Y | n | |
| Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one. | |||||||||||
One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The M6 Mark II has a touchscreen, while the K-S1 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.
The M6 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-S1 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 M6 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 M6 Mark II 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 M6 Mark II and the K-S1 write their files to SDXC cards. The M6 Mark II supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the K-S1 can use UHS-I cards (up to 104 MB/s).
Connectivity comparison
For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Canon EOS M6 Mark II and Pentax K-S1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

| Camera Model |
Hotshoe Port |
Internal Mic / Speaker |
Microphone Port |
Headphone Port |
HDMI Port |
USB Port |
WiFi Support |
NFC Support |
Bluetooth Support |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Canon M6 Mark II | Y | stereo / mono | Y | - | micro | 2.0 | Y | - | Y | |
| 2. | Pentax K-S1 | Y | stereo / mono | - | - | micro | 2.0 | - | - | - | |
| 3. | Canon 2000D | Y | mono / mono | - | - | mini | 2.0 | Y | Y | - | |
| 4. | Canon 4000D | Y | mono / mono | - | - | mini | 2.0 | Y | Y | - | |
| 5. | Canon G5 X Mark II | - | stereo / mono | - | - | micro | 3.1 | Y | - | Y | |
| 6. | Canon M5 | Y | stereo / mono | Y | - | mini | 2.0 | Y | Y | Y | |
| 7. | Canon M6 | Y | stereo / mono | Y | - | mini | 2.0 | Y | Y | Y | |
| 8. | Canon M50 | Y | stereo / mono | Y | - | micro | 2.0 | Y | - | Y | |
| 9. | Canon M50 Mark II | Y | stereo / mono | Y | - | micro | 2.0 | Y | - | Y | |
| 10. | Canon RP | Y | stereo / mono | Y | Y | micro | 2.0 | Y | - | Y | |
| 11. | Nikon D5300 | Y | stereo / mono | Y | - | mini | 2.0 | Y | - | - | |
| 12. | Panasonic LX100 II | Y | stereo / mono | - | - | micro | 2.0 | Y | - | Y | |
| 13. | Pentax K-3 | Y | mono / mono | Y | Y | mini | 3.0 | - | - | - | |
| 14. | Pentax K-500 | Y | mono / mono | - | - | - | 2.0 | - | - | - | |
| 15. | Pentax K-S2 | Y | mono / mono | Y | - | micro | 2.0 | Y | Y | - | |
| 16. | Sony A68 | Y | stereo / mono | Y | - | micro | 2.0 | - | - | - | |
| 17. | Sony A6400 | Y | stereo / mono | Y | - | micro | 2.0 | Y | Y | Y |
It is notable that the M6 Mark II has a microphone port, which is missing on the K-S1. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.
Both the M6 Mark II and the K-S1 have been discontinued, but can regularly be found used on ebay. The K-S1 was replaced by the Pentax K-S2, while the M6 Mark II does not have a direct successor. Further information on the features and operation of the M6 Mark II and K-S1 can be found, respectively, in the Canon M6 Mark II Manual (free pdf) or the online Pentax K-S1 Manual.
Review summary
So what conclusions can be drawn? Is there a clear favorite between the Canon M6 Mark II and the Pentax K-S1? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

Advantages of the Canon EOS M6 Mark II:
- More detail: Offers more megapixels (32.3 vs 20MP) with a 27% higher linear resolution.
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- 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.
- More detailed LCD: Has a higher resolution rear screen (1040k vs 921k dots).
- More flexible LCD: Has a tilting screen for odd-angle shots in 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 burst: Shoots at higher frequency (14 vs 5.4 flaps/sec) to capture the decisive moment.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- More compact: Is smaller (120x70mm vs 121x93mm) and thus needs less room in the bag.
- Less heavy: Is lighter (by 150g or 27 percent) and hence easier to carry around.
- Easier travel charging: Can be conveniently charged via its USB port.
- More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
- 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.
- Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
- More modern: Reflects 5 years of technical progress since the K-S1 launch.

Arguments in favor of the Pentax K-S1:
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- Easier framing: Has an optical viewfinder for image composition and settings control.
- Faster shutter: Has higher mechanical shutter speed (1/6000s vs 1/4000s) to freeze action.
- Longer lasting: Gets more shots (410 versus 305) out of a single battery charge.
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
- More affordable: Was released into a lower priced segment (12 percent cheaper at launch).
- More heavily discounted: Has been around for much longer (launched in August 2014).
If the number of relative strengths (bullet points above) is taken as a guide, the M6 Mark II is the clear winner of the match-up (20 : 7 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
How about other alternatives? Do the specifications of the Canon M6 Mark II and the Pentax K-S1 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the M6 Mark II or the K-S1. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.
Expert reviews
This is where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

| Camera Model |
AP score |
CL score |
DCW score |
DPR score |
EPZ score |
PB score |
Camera Launch |
Launch Price |
Street Price |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Canon M6 Mark II | .. | + | 4.5/5 | 85/100 | 4/5 | 4/5 | Aug 2019 | US$ 849 | ebay.com | |
| 2. | Pentax K-S1 | 4/5 | .. | .. | .. | 4.5/5 | 4/5 | Aug 2014 | US$ 749 | ebay.com | |
| 3. | Canon 2000D | 3/5 | o | 3.5/5 | .. | 3.5/5 | 3.5/5 | Feb 2018 | US$ 449 | amazon.com | |
| 4. | Canon 4000D | 2.5/5 | o | 3/5 | .. | 3.5/5 | 3.5/5 | Feb 2018 | US$ 399 | amazon.com | |
| 5. | Canon G5 X Mark II | 4/5 | + | 4/5 | 82/100 | .. | 4/5 | Jul 2019 | US$ 899 | ebay.com | |
| 6. | Canon M5 | 4/5 | + | 4/5 | 82/100 | 4/5 | 4/5 | Sep 2016 | US$ 979 | ebay.com | |
| 7. | Canon M6 | .. | .. | .. | 80/100 | 4/5 | 4/5 | Feb 2017 | US$ 779 | ebay.com | |
| 8. | Canon M50 | .. | + | 4/5 | 79/100 | .. | 3.5/5 | Feb 2018 | US$ 779 | ebay.com | |
| 9. | Canon M50 Mark II | 4/5 | .. | 4/5 | .. | 4.5/5 | 3.5/5 | Oct 2020 | US$ 599 | ebay.com | |
| 10. | Canon RP | 4/5 | + | 4/5 | .. | 4.5/5 | 4/5 | Feb 2019 | US$ 1 299 | amazon.com | |
| 11. | Nikon D5300 | 4/5 | + + | .. | 79/100 | 4.5/5 | 4.5/5 | Oct 2013 | US$ 799 | ebay.com | |
| 12. | Panasonic LX100 II | 4.5/5 | + | 4.2/5 | 82/100 | 4.5/5 | 4.5/5 | Aug 2018 | US$ 999 | ebay.com | |
| 13. | Pentax K-3 | 4/5 | .. | .. | 83/100 | 5/5 | 5/5 | Oct 2013 | US$ 1 299 | ebay.com | |
| 14. | Pentax K-500 | .. | .. | .. | .. | 4.5/5 | 4.5/5 | Jun 2013 | US$ 549 | ebay.com | |
| 15. | Pentax K-S2 | 4.5/5 | .. | .. | .. | 5/5 | 4.5/5 | Feb 2015 | US$ 749 | ebay.com | |
| 16. | Sony A68 | 3/5 | .. | .. | .. | 4/5 | 4/5 | Nov 2015 | US$ 699 | ebay.com | |
| 17. | Sony A6400 | 4/5 | + | 4/5 | 85/100 | 4.5/5 | 4/5 | Jan 2019 | US$ 899 | amazon.com | |
| Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available. | |||||||||||
The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. 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, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons
Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.
- Canon M200 vs Canon M6 Mark II
- Canon M6 Mark II vs Nikon 1 J4
- Canon M6 Mark II vs Nikon W150
- Canon M6 Mark II vs Olympus E-520
- Canon M6 Mark II vs Panasonic G80
- Canon M6 Mark II vs Sony A7C R
- Fujifilm X-T30 vs Pentax K-S1
- Fujifilm X100V vs Pentax K-S1
- Pentax K-50 vs Pentax K-S1
- Pentax K-S1 vs Ricoh WG-6
- Pentax K-S1 vs Ricoh WG-60
- Pentax K-S1 vs Sony A7R V
Specifications: Canon M6 Mark II vs Pentax K-S1
Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.
| Camera Model | Canon M6 Mark II | Pentax K-S1 |
|---|---|---|
| Camera Type | Mirrorless system camera | Digital single lens reflex |
| Camera Lens | Canon EF-M mount lenses | Pentax K mount lenses |
| Launch Date | August 2019 | August 2014 |
| Launch Price | USD 849 | USD 749 |
| Sensor Specs | Canon M6 Mark II | Pentax K-S1 |
| Sensor Technology | CMOS | CMOS |
| Sensor Format | APS-C Sensor | APS-C Sensor |
| Sensor Size | 22.5 x 15.0 mm | 23.5 x 15.6 mm |
| Sensor Area | 337.5 mm2 | 366.6 mm2 |
| Sensor Diagonal | 27 mm | 28.2 mm |
| Crop Factor | 1.6x | 1.5x |
| Sensor Resolution | 32.3 Megapixels | 20 Megapixels |
| Image Resolution | 6960 x 4640 pixels | 5472 x 3648 pixels |
| Pixel Pitch | 3.23 μm | 4.28 μm |
| Pixel Density | 9.57 MP/cm2 | 5.45 MP/cm2 |
| Moiré control | Anti-Alias filter | no AA filter |
| Movie Capability | 4K/30p Video | 1080/30p Video |
| ISO Setting | 100 - 25,600 ISO | 100 - 51,200 ISO |
| ISO Boost | 100 - 51,200 ISO | no Enhancement |
| Image Processor | DIGIC 8 | PRIME MII |
| DXO Sensor Quality (score) | .. | 78 |
| DXO Color Depth (bits) | .. | 23.5 |
| DXO Dynamic Range (EV) | .. | 13.0 |
| DXO Low Light (ISO) | .. | 1061 |
| Screen Specs | Canon M6 Mark II | Pentax K-S1 |
| Viewfinder Type | Viewfinder optional | Optical viewfinder |
| Viewfinder Field of View | 100% | |
| Viewfinder Magnification | 0.63x | |
| LCD Framing | Live View | Live View |
| Rear LCD Size | 3.0inch | 3.0inch |
| LCD Resolution | 1040k dots | 921k dots |
| LCD Attachment | Tilting screen | Fixed screen |
| Touch Input | Touchscreen | no Touchscreen |
| Shooting Specs | Canon M6 Mark II | Pentax K-S1 |
| Focus System | On-Sensor Phase-detect | Phase-detect AF |
| Manual Focusing Aid | Focus Peaking | Focus Peaking |
| Max Shutter Speed (mechanical) | 1/4000s | 1/6000s |
| Continuous Shooting | 14 shutter flaps/s | 5.4 shutter flaps/s |
| Electronic Shutter | up to 1/16000s | no E-Shutter |
| Time-Lapse Photography | Intervalometer built-in | no Intervalometer |
| Image Stabilization | Lens stabilization only | In-body stabilization |
| Fill Flash | Built-in Flash | Built-in Flash |
| Storage Medium | SDXC cards | SDXC cards |
| Single or Dual Card Slots | Single card slot | Single card slot |
| UHS card support | UHS-II | UHS-I |
| Connectivity Specs | Canon M6 Mark II | Pentax K-S1 |
| External Flash | Hotshoe | Hotshoe |
| USB Connector | USB 2.0 | USB 2.0 |
| HDMI Port | micro HDMI | micro HDMI |
| Microphone Port | External MIC port | no MIC socket |
| Wifi Support | Wifi built-in | no Wifi |
| Bluetooth Support | Bluetooth built-in | no Bluetooth |
| Body Specs | Canon M6 Mark II | Pentax K-S1 |
| Battery Type | Canon LP-E17 | Pentax D-LI109 |
| Battery Life (CIPA) | 305 shots per charge | 410 shots per charge |
| In-Camera Charging | USB charging | no USB charging |
| Body Dimensions |
120 x 70 x 49 mm (4.7 x 2.8 x 1.9 in) |
121 x 93 x 70 mm (4.8 x 3.7 x 2.8 in) |
| Camera Weight | 408 g (14.4 oz) | 558 g (19.7 oz) |

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