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Canon R3 vs Pentax K-1 II

The Canon EOS R3 and the Pentax K-1 II are two digital cameras that were officially introduced, respectively, in September 2021 and February 2018. The R3 is a mirrorless interchangeable lens camera, while the K-1 II is a DSLR. Both cameras are equipped with a full frame sensor. The Canon has a resolution of 24 megapixels, whereas the Pentax provides 36.2 MP.

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

Headline Specifications
Canon R3
versus
Pentax K-1 II
Canon R3   Pentax K-1 II
Mirrorless system camera Digital single lens reflex
Canon RF mount lenses Pentax K mount lenses
24 MP – Full Frame sensor 36.2 MP – Full Frame sensor
6K/60p Video 1080/60i Video
ISO 100-51,200 (50 - 204,800) ISO 100-819,200
Electronic viewfinder (5760k dots) Optical viewfinder
3.2" LCD – 4150k dots 3.2" LCD – 1037k dots
Swivel touchscreen Fully flexible screen (no touchscreen)
12 shutter flaps per second 4.4 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
760 shots per battery charge670 shots per battery charge
150 x 143 x 87 mm, 1015 g 137 x 110 x 86 mm, 1010 g
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Check R3 price at
amazon.com
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Check K-1 II price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS R3 and the Pentax K-1 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 R3 and the Pentax K-1 II are illustrated 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-1 II can be obtained in two different colors (black, silver), while the R3 is only available in black.

Size Canon R3 vs Pentax K-1 II
Compare R3 versus K-1 II top
Comparison R3 or K-1 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-1 II is notably smaller (30 percent) than the Canon R3. Moreover, the K-1 II is slightly lighter (0 percent) than the R3. 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 R3 gets 760 shots out of its Canon LP-E19 battery, while the K-1 II can take 670 images on a single charge of its Pentax D-LI90 power pack. As can be seen in the images above, the R3 has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. In order to provide similar functionality for the K-1 II, Pentax provides the D-BG6 vertical grip as an optional accessory (see here on ebay). The power pack in the R3 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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 R3 150 mm 143 mm 87 mm 1015 g 760 Y Sep 2021 5,999 amazon.com
2.
 
Pentax K-1 II 137 mm 110 mm 86 mm 1010 g 670 Y Feb 2018 1,999 amazon.com
3.
 
Canon R6 Mark II 138 mm 98 mm 88 mm 670 g 450 Y Nov 2022 2,499 amazon.com
4.
 
Canon 1D X Mark III 158 mm 168 mm 83 mm 1440 g 2850 Y Jan 2020 6,499 amazon.com
5.
 
Canon R5 138 mm 98 mm 88 mm 738 g 320 Y Jul 2020 3,899 amazon.com
6.
 
Canon R6 138 mm 98 mm 88 mm 680 g 360 Y Jul 2020 2,499 amazon.com
7.
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999ebay.com
8.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499ebay.com
9.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499ebay.com
10.
 
Leica SL2-S 146 mm 107 mm 83 mm 931 g 510 Y Dec 2020 4,895 amazon.com
11.
 
Panasonic S1R 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 3,699 amazon.com
12.
 
Pentax K-1 137 mm 110 mm 86 mm 1010 g 760 Y Feb 2016 1,799ebay.com
13.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
14.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199ebay.com
15.
 
Sony A850 156 mm 117 mm 82 mm 895 g 880 Y Aug 2009 1,999ebay.com
16.
 
Sony A900 156 mm 117 mm 82 mm 895 g 880 Y Sep 2008 2,999ebay.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 naturally be influenced heavily by the price. 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 K-1 II was launched at a markedly lower price (by 67 percent) than the R3, 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 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. 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.

Both cameras under consideration feature a full frame sensor, but their sensors differ slightly in size. They nevertheless have the same format factor of 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon R3 and Pentax K-1 II sensor measures

Despite having a slightly smaller sensor, the K-1 II offers a higher resolution of 36.2 megapixels, compared with 24 MP of the R3. 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 4.88μm versus 6.00μm for the R3). Moreover, it should be noted that the R3 is much more recent (by 3 years and 6 months) than the K-1 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-1 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-1 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-1 II for good quality output (200 dots per inch) amounts to 36.8 x 24.6 inches or 93.5 x 62.4 cm, for very good quality (250 dpi) 29.4 x 19.6 inches or 74.8 x 49.9 cm, and for excellent quality (300 dpi) 24.5 x 16.4 inches or 62.3 x 41.6 cm. The corresponding values for the Canon R3 are 30 x 20 inches or 76.2 x 50.8 cm for good quality, 24 x 16 inches or 61 x 40.6 cm for very good quality, and 20 x 13.3 inches or 50.8 x 33.9 cm for excellent quality prints.

The R3 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the R3, the K-1 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 R3 has a native sensitivity range from ISO 100 to ISO 51200, which can be extended to ISO 50-204800. The corresponding ISO settings for the Pentax K-1 II are ISO 100 to ISO 819200 (no boost).

In terms of underlying technology, the R3 is build around a Stacked BSI-CMOS sensor, while the K-1 II uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

R3 versus K-1 II MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar 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 R3 Full Frame 24.0 6000 40006K/60p25.014.7408696
2.
 
Pentax K-1 II Full Frame 36.2 7360 49121080/60i25.114.0269893
3.
 
Canon R6 Mark II Full Frame 24.0 6000 40004k/60p25.414.6315496
4.
 
Canon 1D X Mark III Full Frame 20.0 5472 36484K/60p24.214.5324891
5.
 
Canon R5 Full Frame 44.8 8192 54648K/30p25.314.6304295
6.
 
Canon R6 Full Frame 20.0 5472 36484k/60p24.214.3339490
7.
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
8.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
9.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
10.
 
Leica SL2-S Full Frame 24.0 6000 40004K/60p25.214.1350495
11.
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100
12.
 
Pentax K-1 Full Frame 36.2 7360 49121080/60i25.414.6328096
13.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
14.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
15.
 
Sony A850 Full Frame 24.4 6048 4032none23.812.2141579
16.
 
Sony A900 Full Frame 24.4 6048 4032none23.712.3143179
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, but the R3 provides a higher video resolution than the K-1 II. It can shoot video footage at 6K/60p, while the Pentax is limited to 1080/60i.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the R3 has an electronic viewfinder (5760k dots), while the K-1 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 R3 has a higher magnification than the one of the K-1 II (0.76x vs 0.70x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Canon R3 and Pentax K-1 II along with similar information for a selection of comparators.

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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 R35760 Y3.2 / 4150 swivel Y 1/8000s 12.0/s n Y
2.
 
Pentax K-1 IIoptical Y3.2 / 1037 full-flex n 1/8000s 4.4/s n Y
3.
 
Canon R6 Mark II3690 n3.0 / 1620 swivel Y 1/8000s 12.0/s n Y
4.
 
Canon 1D X Mark IIIoptical Y3.2 / 2100 fixed Y 1/8000s 20.0/s n n
5.
 
Canon R55760 Y3.2 / 2100 swivel Y 1/8000s 12.0/s n Y
6.
 
Canon R63690 n3.0 / 1620 swivel Y 1/8000s 12.0/s n Y
7.
 
Canon 1D X Mark IIoptical Y3.2 / 1620 fixed Y 1/8000s 16.0/s n n
8.
 
Canon 5D Mark IIIoptical Y3.2 / 1040 fixed n 1/8000s 6.0/s n n
9.
 
Canon 5D Mark IIoptical Y3.0 / 920 fixed n 1/8000s 3.9/s n n
10.
 
Leica SL2-S5760 Y3.2 / 2100 fixed Y 1/8000s 20.0/s n Y
11.
 
Panasonic S1R5760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
12.
 
Pentax K-1optical Y3.2 / 1037 full-flex n 1/8000s 4.4/s n Y
13.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
14.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
15.
 
Sony A850optical Y3.0 / 922 fixed n 1/8000s 3.0/s n Y
16.
 
Sony A900optical Y3.0 / 922 fixed n 1/8000s 5.0/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 R3 has a touchscreen, while the K-1 II has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The R3 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-1 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 R3 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 R3 and the Pentax K-1 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.

The R3 writes its imaging data to CFexpress (type B) or SDXC cards, while the K-1 II uses SDXC cards. Both cameras feature dual card slots, which can be very useful in case a memory card fails. The R3 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the K-1 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 R3 and Pentax K-1 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 R3Ystereo / monoYYmicro3.2Y-Y
2.
 
Pentax K-1 IIYstereo / monoYYmicro2.0Y--
3.
 
Canon R6 Mark IIYstereo / monoYYmicro3.2Y-Y
4.
 
Canon 1D X Mark IIIYmono / monoYYmini3.1Y-Y
5.
 
Canon R5Ymono / monoYYmicro3.2Y-Y
6.
 
Canon R6Ymono / monoYYmicro3.2Y-Y
7.
 
Canon 1D X Mark IIYmono / monoYYmini3.0---
8.
 
Canon 5D Mark IIIYmono / monoYYmini2.0---
9.
 
Canon 5D Mark IIYmono / monoY-mini2.0---
10.
 
Leica SL2-SYstereo / monoYYfull3.2Y-Y
11.
 
Panasonic S1RYstereo / monoYYfull3.1Y-Y
12.
 
Pentax K-1Ystereo / monoYYmicro2.0Y--
13.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
14.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
15.
 
Sony A850Y- / ---mini2.0---
16.
 
Sony A900Y- / ---mini2.0---
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Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

Travel and landscape photographers will find it useful that the K-1 II has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the R3 and the K-1 II are recent models that are part of the current product line-up. The K-1 II replaced the earlier Pentax K-1, while the R3 does not have a direct predecessor. Further information on the features and operation of the R3 and K-1 II can be found, respectively, in the Canon R3 Manual (free pdf) or the online Pentax K-1 II Manual.

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Review summary

So what is the bottom line? Is the Canon R3 better than the Pentax K-1 II or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Canon EOS R3:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better video: Provides higher definition movie capture (6K/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 0.70x).
  • More detailed LCD: Has a higher resolution rear screen (4150k vs 1037k dots).
  • 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 4.4 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
  • Longer lasting: Can take more shots (760 versus 670) on a single battery charge.
  • 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.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
  • 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 3 years and 6 months of technical progress since the K-1 II launch.

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Advantages of the Pentax K-1 II:

  • More detail: Has more megapixels (36.2 vs 24MP), which boosts linear resolution by 23%.
  • 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.
  • More compact: Is smaller (137x110mm vs 150x143mm) and will fit more readily into a bag.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • More affordable: Was introduced into a lower priced category (67 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in February 2018).

If the number of relative strengths (bullet points above) is taken as a guide, the R3 is the clear winner of the match-up (18 : 8 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.

R3 18:08 K-1 II

How about other alternatives? Do the specifications of the Canon R3 and the Pentax K-1 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 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 R3 or the K-1 II perform in practice. 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 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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon R35/5o4.5/5..5/54.5/5 Sep 2021 5,999 amazon.com
2.
 
Pentax K-1 II....4.5/579/1004.5/54.5/5 Feb 2018 1,999 amazon.com
3.
 
Canon R6 Mark II5/5+ +4.5/591/1004.5/55/5 Nov 2022 2,499 amazon.com
4.
 
Canon 1D X Mark III..+ +5/5..4.5/54/5 Jan 2020 6,499 amazon.com
5.
 
Canon R54.5/5+4/591/1004.5/54.5/5 Jul 2020 3,899 amazon.com
6.
 
Canon R65/5+ +4/590/1004.5/55/5 Jul 2020 2,499 amazon.com
7.
 
Canon 1D X Mark II....4.5/589/1004.5/54.5/5 Feb 2016 5,999ebay.com
8.
 
Canon 5D Mark III..+ +..82/1004.5/54.5/5 Mar 2012 3,499ebay.com
9.
 
Canon 5D Mark II4/591/100..79/1004/5.. Sep 2008 3,499ebay.com
10.
 
Leica SL2-S4/5..4/5..4.5/54.5/5 Dec 2020 4,895 amazon.com
11.
 
Panasonic S1R4.5/5..4.6/589/1004.5/54.5/5 Feb 2019 3,699 amazon.com
12.
 
Pentax K-15/5....84/1005/55/5 Feb 2016 1,799ebay.com
13.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
14.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 3,199ebay.com
15.
 
Sony A8503/5....75/100..4.5/5 Aug 2009 1,999ebay.com
16.
 
Sony A900..+ +..+ +4.5/55/5 Sep 2008 2,999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Check R3 price at
amazon.com
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Check K-1 II price at
amazon.com

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 make a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Canon R3 vs Pentax K-1 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 R3 Pentax K-1 II
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Canon RF mount lenses Pentax K mount lenses
    Launch Date September 2021 February 2018
    Launch Price USD 5,999 USD 1,999
    Sensor Specs Canon R3 Pentax K-1 II
    Sensor Technology Stacked BSI-CMOS CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 36.0 x 24.0 mm 35.9 x 24.0 mm
    Sensor Area 864 mm2 861.6 mm2
    Sensor Diagonal 43.3 mm 43.2 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 24 Megapixels 36.2 Megapixels
    Image Resolution 6000 x 4000 pixels 7360 x 4912 pixels
    Pixel Pitch 6.00 μm 4.88 μm
    Pixel Density 2.78 MP/cm2 4.20 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 6K/60p Video 1080/60i Video
    ISO Setting 100 - 51,200 ISO 100 - 819,200 ISO
    ISO Boost 50 - 204,800 ISO no Enhancement
    Image Processor DIGIC X PRIME IV
    DXO Sensor Quality (score) 96 ..
    DXO Color Depth (bits) 25 ..
    DXO Dynamic Range (EV) 14.7 ..
    DXO Low Light (ISO) 4086 ..
    Screen Specs Canon R3 Pentax K-1 II
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.76x 0.70x
    Viewfinder Resolution 5760k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.2inch
    LCD Resolution 4150k dots 1037k dots
    LCD Attachment Swivel screen Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Canon R3 Pentax K-1 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 4.4 shutter flaps/s
    Electronic Shutterup to 1/64000sno 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 CFexB or 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 R3 Pentax K-1 II
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.2 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in no Bluetooth
    Geotagging no internal GPS GPS built-in
    Body Specs Canon R3 Pentax K-1 II
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Canon LP-E19 Pentax D-LI90
    Battery Life (CIPA)760 shots per charge670 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 150 x 143 x 87 mm
    (5.9 x 5.6 x 3.4 in)
    137 x 110 x 86 mm
    (5.4 x 4.3 x 3.4 in)
    Camera Weight 1015 g (35.8 oz) 1010 g (35.6 oz)
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    Check K-1 II price at
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