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Canon R6 vs Pentax K-3 II

The Canon EOS R6 and the Pentax K-3 II are two enthusiast cameras that were officially introduced, respectively, in July 2020 and April 2015. The R6 is a mirrorless interchangeable lens camera, while the K-3 II is a DSLR. The cameras are based on a full frame (R6) and an APS-C (K-3 II) sensor. The Canon has a resolution of 20 megapixels, whereas the Pentax provides 24.1 MP.

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

Headline Specifications
Canon R6
versus
Pentax K-3 II
Canon R6   Pentax K-3 II
Mirrorless system camera Digital single lens reflex
Canon RF mount lenses Pentax K mount lenses
20 MP – Full Frame sensor 24.1 MP – APS-C sensor
4k/60p Video 1080/60i Video
ISO 100-102,400 (50 - 204,800) ISO 100-51,200
Electronic viewfinder (3690k dots) Optical viewfinder
3.0" LCD – 1620k dots 3.2" LCD – 1037k dots
Swivel touchscreen Fixed screen (not touch-sensitive)
12 shutter flaps per second 8.3 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
360 shots per battery charge720 shots per battery charge
138 x 98 x 88 mm, 680 g 131 x 100 x 77 mm, 800 g
logo
Check R6 price at
amazon.com
logo
Check K-3 II offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS R6 and the Pentax K-3 II? 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 physical size and weight of the Canon R6 and the Pentax K-3 II are illustrated in the side-by-side display below. 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 K-3 II can be obtained in two different colors (black, silver), while the R6 is only available in black.

Size Canon R6 vs Pentax K-3 II
Compare R6 versus K-3 II top
Comparison R6 or K-3 II 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 II is somewhat smaller (3 percent) than the Canon R6. However, the K-3 II is markedly heavier (18 percent) than the R6. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

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 R6 gets 360 shots out of its Canon LP-E6NH battery, while the K-3 II can take 720 images on a single charge of its Pentax D-LI90 power pack. The power pack in the R6 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 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
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon R6 138 mm 98 mm 88 mm 680 g 360 Y Jul 2020 2,499 amazon.com
2.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 1,099ebay.com
3.
 
Canon R6 Mark II 138 mm 98 mm 88 mm 670 g 450 Y Nov 2022 2,499 amazon.com
4.
 
Canon R3 150 mm 143 mm 87 mm 1015 g 760 Y Sep 2021 5,999 amazon.com
5.
 
Canon R5 138 mm 98 mm 88 mm 738 g 320 Y Jul 2020 3,899 amazon.com
6.
 
Canon R 139 mm 98 mm 84 mm 660 g 370 Y Sep 2018 2,299ebay.com
7.
 
Canon 6D 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 2,099ebay.com
8.
 
Nikon Z7 II 134 mm 101 mm 70 mm 705 g 420 Y Oct 2020 2,999 amazon.com
9.
 
Nikon Z6 II 134 mm 101 mm 70 mm 705 g 410 Y Oct 2020 1,999 amazon.com
10.
 
Nikon D7200 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 1,199ebay.com
11.
 
Panasonic S5 133 mm 98 mm 82 mm 714 g 440 Y Sep 2020 1,999 amazon.com
12.
 
Panasonic S1 149 mm 110 mm 97 mm 1017 g 400 Y Feb 2019 2,499 amazon.com
13.
 
Pentax K-3 III 135 mm 104 mm 74 mm 820 g 800 Y Mar 2021 1,999 amazon.com
14.
 
Pentax K-S2 123 mm 91 mm 73 mm 678 g 410 Y Feb 2015 749ebay.com
15.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299ebay.com
16.
 
Pentax K-5 II 131 mm 97 mm 73 mm 760 g 740 Y Sep 2012 1,099ebay.com
17.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 amazon.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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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 K-3 II was launched at a markedly lower price (by 56 percent) than the R6, 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon R6 features a full frame sensor and the Pentax K-3 II an APS-C sensor. The sensor area in the K-3 II is 58 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon R6 and Pentax K-3 II sensor measures

Despite having a smaller sensor, the K-3 II offers a higher resolution of 24.1 megapixels, compared with 20 MP of the R6. 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 3.90μm versus 6.57μm for the R6). Moreover, it should be noted that the R6 is much more recent (by 5 years and 2 months) than the K-3 II, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the K-3 II 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 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-3 II for good quality output (200 dots per inch) amounts to 30.1 x 20 inches or 76.4 x 50.8 cm, for very good quality (250 dpi) 24.1 x 16 inches or 61.1 x 40.6 cm, and for excellent quality (300 dpi) 20.1 x 13.3 inches or 50.9 x 33.9 cm. The corresponding values for the Canon R6 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 R6 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the R6, the K-3 II has the capacity to capture high quality composite images 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 R6 has a native sensitivity range from ISO 100 to ISO 102400, which can be extended to ISO 50-204800. The corresponding ISO settings for the Pentax K-3 II 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.

R6 versus K-3 II MP

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"). Of the two cameras under review, the R6 has a notably higher overall DXO score than the K-3 II (overall score 10 points higher), which gives it an advantage in terms of imaging quality. This advantage is based on 0.6 bits higher color depth, 0.7 EV in additional dynamic range, and 1.6 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon R6 Full Frame 20.0 5472 36484k/60p24.214.3339490
2.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
3.
 
Canon R6 Mark II Full Frame 24.0 6000 40004k/60p25.414.6315496
4.
 
Canon R3 Full Frame 24.0 6000 40006K/60p25.014.7408696
5.
 
Canon R5 Full Frame 44.8 8192 54648K/30p25.314.6304295
6.
 
Canon R Full Frame 30.1 6720 44804K/30p24.513.5274289
7.
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.1234082
8.
 
Nikon Z7 II Full Frame 45.4 8256 55044K/60p26.314.72841100
9.
 
Nikon Z6 II Full Frame 24.3 6048 40244K/60p25.014.4330394
10.
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387
11.
 
Panasonic S5 Full Frame 24.0 6000 40004K/60p25.114.5269794
12.
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395
13.
 
Pentax K-3 III APS-C 25.6 6192 41284K/30p24.213.7208385
14.
 
Pentax K-S2 APS-C 20.0 5472 36481080/30p23.612.9151479
15.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
16.
 
Pentax K-5 II APS-C 16.1 4928 32641080/25p23.814.1123582
17.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
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 can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the R6 provides a higher video resolution than the K-3 II. It can shoot video footage at 4k/60p, while the Pentax is limited to 1080/60i.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the R6 has an electronic viewfinder (3690k dots), while the K-3 II 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 R6 has a higher magnification than the one of the K-3 II (0.76x vs 0.63x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Canon R6, the Pentax K-3 II, 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.
 
Canon R63690 n3.0 / 1620 swivel Y 1/8000s 12.0/s n Y
2.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
3.
 
Canon R6 Mark II3690 n3.0 / 1620 swivel Y 1/8000s 12.0/s n Y
4.
 
Canon R35760 Y3.2 / 4150 swivel Y 1/8000s 12.0/s n Y
5.
 
Canon R55760 Y3.2 / 2100 swivel Y 1/8000s 12.0/s n Y
6.
 
Canon R3690 Y3.2 / 2100 swivel Y 1/8000s 8.0/s n n
7.
 
Canon 6Doptical Y3.0 / 1040 fixed n 1/4000s 4.5/s n n
8.
 
Nikon Z7 II3690 Y3.2 / 2100 tilting Y 1/8000s 10.0/s n Y
9.
 
Nikon Z6 II3690 Y3.2 / 2100 tilting Y 1/8000s 14.0/s n Y
10.
 
Nikon D7200optical Y3.2 / 1229 fixed n 1/8000s 6.0/s Y n
11.
 
Panasonic S52360 n3.0 / 1840 swivel Y 1/8000s 7.0/s n Y
12.
 
Panasonic S15760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
13.
 
Pentax K-3 IIIoptical Y3.2 / 1620 fixed Y 1/8000s 12.0/s n Y
14.
 
Pentax K-S2optical n3.0 / 921 swivel n 1/6000s 5.4/s Y Y
15.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
16.
 
Pentax K-5 IIoptical Y3.0 / 921 fixed n 1/8000s 7.0/s Y Y
17.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The R6 has a touchscreen, while the K-3 II has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The R6 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 II 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 R6 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 R6 and the Pentax K-3 II 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 R6 and the K-3 II write their files to SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The R6 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the K-3 II can use UHS-I cards (up to 104 MB/s).

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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 R6 and Pentax K-3 II 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.
 
Canon R6Ymono / monoYYmicro3.2Y-Y
2.
 
Pentax K-3 IIYmono / monoYYmini3.0---
3.
 
Canon R6 Mark IIYstereo / monoYYmicro3.2Y-Y
4.
 
Canon R3Ystereo / monoYYmicro3.2Y-Y
5.
 
Canon R5Ymono / monoYYmicro3.2Y-Y
6.
 
Canon RYstereo / monoYYmini3.1Y-Y
7.
 
Canon 6DYmono / monoY-mini2.0Y--
8.
 
Nikon Z7 IIYstereo / monoYYmicro3.2Y-Y
9.
 
Nikon Z6 IIYstereo / monoYYmicro3.2Y-Y
10.
 
Nikon D7200Ystereo / monoYYmini2.0YY-
11.
 
Panasonic S5Ystereo / monoYYmicro3.2Y-Y
12.
 
Panasonic S1Ystereo / monoYYfull3.1Y-Y
13.
 
Pentax K-3 IIIYstereo / monoYYmicro3.2Y-Y
14.
 
Pentax K-S2Ymono / monoY-micro2.0YY-
15.
 
Pentax K-3Ymono / monoYYmini3.0---
16.
 
Pentax K-5 IIYstereo / monoY-mini2.0---
17.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY
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It is notable that the R6 offers wifi support, while the K-3 II does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Pentax K-3 II (unlike the R6) 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 II has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The R6 is a recent model that features in the current product line-up of Canon. In contrast, the K-3 II has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the K-3 II was succeeded by the Pentax K-3 III. Further information on the features and operation of the R6 and K-3 II can be found, respectively, in the Canon R6 Manual (free pdf) or the online Pentax K-3 II Manual.

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Review summary

So how do things add up? Is the Canon R6 better than the Pentax K-3 II or vice versa? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Canon EOS R6:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Scores markedly higher (10 points) in the DXO overall assessment.
  • More dynamic range: Captures a larger spectrum of light and dark details (0.7 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (1.6 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4k/60p vs 1080/60i).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.76x vs 0.63x).
  • More detailed LCD: Has a higher resolution rear screen (1620k vs 1037k 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 burst: Shoots at higher frequency (12 vs 8.3 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Less heavy: Is lighter (by 120g or 15 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 and 2 months of technical progress since the K-3 II launch.

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Reasons to prefer the Pentax K-3 II:

  • More detail: Has more megapixels (24.1 vs 20MP), which boosts linear resolution by 10%.
  • 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.
  • 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.
  • Longer lasting: Gets more shots (720 versus 360) out of a single battery charge.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More affordable: Was introduced into a lower priced category (56 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in April 2015).

If the count of individual advantages (bullet points above) is taken as a guide, the R6 is the clear winner of the match-up (21 : 11 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.

R6 21:11 K-3 II

How about other alternatives? Do the specifications of the Canon R6 and the Pentax K-3 II 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 says little about, for example, the shooting experience and imaging performance of the R6 and the K-3 II in practical situations. 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 why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major 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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon R65/5+ +4/590/1004.5/55/5 Jul 2020 2,499 amazon.com
2.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 1,099ebay.com
3.
 
Canon R6 Mark II5/5+ +4.5/591/1004.5/55/5 Nov 2022 2,499 amazon.com
4.
 
Canon R35/5o4.5/5..5/54.5/5 Sep 2021 5,999 amazon.com
5.
 
Canon R54.5/5+4/591/1004.5/54.5/5 Jul 2020 3,899 amazon.com
6.
 
Canon R4/5o4/579/1004.5/54/5 Sep 2018 2,299ebay.com
7.
 
Canon 6D5/5+ +..83/1004.5/54.5/5 Sep 2012 2,099ebay.com
8.
 
Nikon Z7 II4.5/5..4.5/5..4.5/54.5/5 Oct 2020 2,999 amazon.com
9.
 
Nikon Z6 II4.5/5..4/589/1004.5/54.5/5 Oct 2020 1,999 amazon.com
10.
 
Nikon D72004/5+ +..84/1004.5/54.5/5 Mar 2015 1,199ebay.com
11.
 
Panasonic S54.5/5+ +4.5/588/1004.5/54.5/5 Sep 2020 1,999 amazon.com
12.
 
Panasonic S14.5/5+ +4.5/588/1004.5/54/5 Feb 2019 2,499 amazon.com
13.
 
Pentax K-3 III4/5..3/5..4.5/5.. Mar 2021 1,999 amazon.com
14.
 
Pentax K-S24.5/5......5/54.5/5 Feb 2015 749ebay.com
15.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 1,299ebay.com
16.
 
Pentax K-5 II5/5....80/1005/54.5/5 Sep 2012 1,099ebay.com
17.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 4,499 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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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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Check R6 price at
amazon.com
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Check K-3 II offers at
ebay.com

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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Canon R6 vs Pentax K-3 II

    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 R6 Pentax K-3 II
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Canon RF mount lenses Pentax K mount lenses
    Launch Date July 2020 April 2015
    Launch Price USD 2,499 USD 1,099
    Sensor Specs Canon R6 Pentax K-3 II
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 36.0 x 24.0 mm 23.5 x 15.6 mm
    Sensor Area 864 mm2 366.6 mm2
    Sensor Diagonal 43.3 mm 28.2 mm
    Crop Factor 1.0x 1.5x
    Sensor Resolution 20 Megapixels 24.1 Megapixels
    Image Resolution 5472 x 3648 pixels 6016 x 4000 pixels
    Pixel Pitch 6.57 μm 3.90 μm
    Pixel Density 2.31 MP/cm2 6.56 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4k/60p Video 1080/60i Video
    ISO Setting 100 - 102,400 ISO 100 - 51,200 ISO
    ISO Boost 50 - 204,800 ISO no Enhancement
    Image Processor DIGIC X PRIME III
    DXO Sensor Quality (score) 90 80
    DXO Color Depth (bits) 24.2 23.6
    DXO Dynamic Range (EV) 14.3 13.6
    DXO Low Light (ISO) 3394 1106
    Screen Specs Canon R6 Pentax K-3 II
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.76x 0.63x
    Viewfinder Resolution 3690k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 1620k dots 1037k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon R6 Pentax K-3 II
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 12 shutter flaps/s 8.3 shutter flaps/s
    Shutter Life Expectancy200 000 actuations200 000 actuations
    Electronic Shutterup to 1/8000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Dual card slots
    UHS card support UHS-II UHS-I
    Connectivity Specs Canon R6 Pentax K-3 II
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 3.2 USB 3.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in no Wifi
    Bluetooth Support Bluetooth built-in no Bluetooth
    Geotagging no internal GPS GPS built-in
    Body Specs Canon R6 Pentax K-3 II
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Canon LP-E6NH Pentax D-LI90
    Battery Life (CIPA)360 shots per charge720 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 138 x 98 x 88 mm
    (5.4 x 3.9 x 3.5 in)
    131 x 100 x 77 mm
    (5.2 x 3.9 x 3.0 in)
    Camera Weight 680 g (24.0 oz) 800 g (28.2 oz)
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