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Pentax K-1 vs Sony A7R

The Pentax K-1 and the Sony Alpha A7R are two enthusiast cameras that were officially introduced, respectively, in February 2016 and October 2013. The K-1 is a DSLR, while the A7R is a mirrorless interchangeable lens camera. Both cameras are equipped with a full frame sensor. Both cameras offer a resolution of 36.2 megapixels.

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

Headline Specifications
Pentax K-1
versus
Sony A7R
Pentax K-1   Sony A7R
Digital single lens reflex Mirrorless system camera
Pentax K mount lenses Sony E mount lenses
36.2 MP – Full Frame sensor 36.2 MP – Full Frame sensor
1080/60i Video 1080/60p Video
ISO 100-204,800 ISO 100-25,600 (50 - 51,200)
Optical viewfinder Electronic viewfinder (2400k dots)
3.2" LCD – 1037k dots 3.0" LCD – 1230k dots
Fully flexible screen (no touchscreen) Tilting screen (no touchscreen)
4.4 shutter flaps per second 4 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodyWeathersealed body
760 shots per battery charge340 shots per battery charge
137 x 110 x 86 mm, 1010 g 127 x 94 x 48 mm, 465 g
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Check K-1 offers at
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Check A7R offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax K-1 and the Sony Alpha A7R? 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 Pentax K-1 and the Sony A7R. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

The K-1 can be obtained in two different colors (black, silver), while the A7R is only available in black.

Size Pentax K-1 vs Sony A7R
Compare K-1 versus A7R top
Comparison K-1 or A7R rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7R is notably smaller (21 percent) than the Pentax K-1. Moreover, the A7R is substantially lighter (54 percent) than the K-1. 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 K-1 gets 760 shots out of its Pentax D-LI90 battery, while the A7R can take 340 images on a single charge of its Sony NP-FW50 power pack. The power pack in the A7R can be charged via the USB port, which can be very convenient 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
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Pentax K-1 137 mm 110 mm 86 mm 1010 g 760 i Feb 2016 US$ 1 799ebay.com
2.
 
Sony A7R 127 mm 94 mm 48 mm 465 g 340 i Oct 2013 US$ 2 299ebay.com
3.
 
Canon 5D Mark IV 151 mm 116 mm 76 mm 890 g 900 i Aug 2016 US$ 3 499 amazon.com
4.
 
Nikon D500 147 mm 115 mm 81 mm 860 g 1240 i Jan 2016 US$ 1 999ebay.com
5.
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 i Sep 2016 US$ 1 999ebay.com
6.
 
Pentax K-1 II 137 mm 110 mm 86 mm 1010 g 670 i Feb 2018 US$ 1 999 amazon.com
7.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 i Apr 2015 US$ 1 099ebay.com
8.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 i Oct 2013 US$ 1 699ebay.com
9.
 
Sony A7 IV 131 mm 96 mm 80 mm 659 g 580 i Oct 2021 US$ 2 499 amazon.com
10.
 
Sony A7C II 124 mm 71 mm 63 mm 514 g 540 i Aug 2023 US$ 2 199 amazon.com
11.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 i Jun 2015 US$ 3 199ebay.com
12.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 i Oct 2017 US$ 3 199ebay.com
13.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 i Apr 2021 US$ 3 199 amazon.com
14.
 
Sony A7S 127 mm 94 mm 48 mm 489 g 380 i Apr 2014 US$ 2 499ebay.com
15.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 i Sep 2016 US$ 3 199ebay.com
16.
 
Sony A850 156 mm 117 mm 82 mm 895 g 880 i Aug 2009 US$ 1 999ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
  empty Camera
Model

Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The K-1 was launched at a somewhat lower price (by 22 percent) than the A7R, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. 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 a full frame sensor and have a format factor (sometimes also referred to as "crop factor") of 1.0. Within the spectrum of camera sensors, this places the review cameras among the large-sensor cameras that aim for top notch image quality. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Pentax K-1 and Sony A7R sensor measures

The two cameras under review do not only share the same sensor size, but also offer an identical resolution of 36.2 megapixels. This similarity in sensor specs implies that both the K-1 and the A7R have the same pixel density, as well as the same pixel size. It should, however, be noted that the K-1 is much more recent (by 2 years and 4 months) than the A7R, and its sensor will have benefitted from technological advances during this time. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

Unlike the A7R, the K-1 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 Pentax K-1 has a native sensitivity range from ISO 100 to ISO 204800. The corresponding ISO settings for the Sony Alpha A7R are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-51200.

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.

K-1 versus A7R MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. 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.
 
Pentax K-1 Full Frame 36.2 7360 49121080/60i25.414.6328096
2.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695
3.
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.6299591
4.
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483
5.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
6.
 
Pentax K-1 II Full Frame 36.2 7360 49121080/60i25.114.0269893
7.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
8.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890
9.
 
Sony A7 IV Full Frame 32.7 7008 46724K/60p25.414.7337997
10.
 
Sony A7C II Full Frame 32.7 7008 46724K/60p25.414.7323796
11.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
12.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
13.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
14.
 
Sony A7S Full Frame 12.0 4240 28321080/60p23.913.2370287
15.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
16.
 
Sony A850 Full Frame 24.4 6048 4032i23.812.2141579
Note: DXO values in italics represent estimates based on sensor size and age.
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
  empty Camera
Model

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the A7R provides a faster frame rate than the K-1. It can shoot movie footage at 1080/60p, while the Pentax is limited to 1080/60i.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7R has an electronic viewfinder (2400k dots), while the K-1 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 A7R has a higher magnification than the one of the K-1 (0.71x vs 0.70x), 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 Pentax K-1, the Sony A7R, and comparable cameras.

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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.
 
Pentax K-1optical i3.2 / 1037 full-flex i 1/8000s 4.4/s i i
2.
 
Sony A7R2400 i3.0 / 1230 tilting i 1/8000s 4.0/s i i
3.
 
Canon 5D Mark IVoptical i3.2 / 1620 fixed i 1/8000s 7.0/s i i
4.
 
Nikon D500optical i3.2 / 2359 tilting i 1/8000s 10.0/s i i
5.
 
Olympus E-M1 II2360 i3.0 / 1037 swivel i 1/8000s 18.0/s i i
6.
 
Pentax K-1 IIoptical i3.2 / 1037 full-flex i 1/8000s 4.4/s i i
7.
 
Pentax K-3 IIoptical i3.2 / 1037 fixed i 1/8000s 8.3/s i i
8.
 
Sony A72400 i3.0 / 1230 tilting i 1/8000s 5.0/s i i
9.
 
Sony A7 IV3686 i3.0 / 1037 swivel i 1/8000s 10.0/s i i
10.
 
Sony A7C II2360 i3.0 / 1037 swivel i 1/4000s 10.0/s i i
11.
 
Sony A7R II2400 i3.0 / 1229 tilting i 1/8000s 5.0/s i i
12.
 
Sony A7R III3686 i3.0 / 1440 tilting i 1/8000s 10.0/s i i
13.
 
Sony A7R IIIA3686 i3.0 / 2340 tilting i 1/8000s 10.0/s i i
14.
 
Sony A7S2400 i3.0 / 921 tilting i 1/8000s 5.0/s i i
15.
 
Sony A99 II2400 i3.0 / 1229 full-flex i 1/8000s 12.0/s i i
16.
 
Sony A850optical i3.0 / 922 fixed i 1/8000s 3.0/s i i
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
  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
  empty Camera
Model

One feature that is present on the K-1, but is missing on the A7R is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The Pentax K-1 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.

The K-1 writes its imaging data to SDXC cards, while the A7R uses SDXC or Memory Stick PRO Duo cards. The K-1 features dual card slots, which can be very useful in case a memory card fails. In contrast, the A7R only has one slot. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of 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 Pentax K-1 and Sony Alpha A7R 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.
 
Pentax K-1istereo / monoiimicro2.0iii
2.
 
Sony A7Ristereo / monoiimicro2.0iii
3.
 
Canon 5D Mark IVimono / monoiimini3.0iii
4.
 
Nikon D500istereo / monoiimini3.0iii
5.
 
Olympus E-M1 IIistereo / monoiimicro3.0iii
6.
 
Pentax K-1 IIistereo / monoiimicro2.0iii
7.
 
Pentax K-3 IIimono / monoiimini3.0iii
8.
 
Sony A7istereo / monoiimicro2.0iii
9.
 
Sony A7 IVistereo / monoiifull3.2iii
10.
 
Sony A7C IIistereo / monoiimicro3.2iii
11.
 
Sony A7R IIistereo / monoiimicro2.0iii
12.
 
Sony A7R IIIistereo / monoiimicro3.1iii
13.
 
Sony A7R IIIAistereo / monoiimicro3.2iii
14.
 
Sony A7Sistereo / monoiimicro2.0iii
15.
 
Sony A99 IIistereo / monoiimicro2.0iii
16.
 
Sony A850ii / iiimini2.0iii
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
  empty Camera
Model

Studio photographers will appreciate that the Pentax K-1 (unlike the A7R) 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-1 has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the K-1 and the A7R have been discontinued, but can regularly be found used on ebay. The A7R was replaced by the Sony A7R II, while the K-1 was followed by the Pentax K-1 II. Further information on the features and operation of the K-1 and A7R can be found, respectively, in the Pentax K-1 Manual (free pdf) or the online Sony A7R Manual.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Pentax K-1 or the Sony A7R – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Pentax K-1:

  • 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 an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (760 versus 340) on a single battery charge.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • 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.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More affordable: Was introduced into a lower priced segment (22 percent cheaper at launch).
  • More modern: Reflects 2 years and 4 months of technical progress since the A7R launch.

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Arguments in favor of the Sony Alpha A7R:

  • Better video: Provides higher movie framerates (1080/60p versus 1080/60i).
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.71x vs 0.70x).
  • More detailed LCD: Has a higher resolution rear screen (1230k vs 1037k dots).
  • More compact: Is smaller (127x94mm vs 137x110mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 545g or 54 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More heavily discounted: Has been around for much longer (launched in October 2013).

If the count of individual advantages (bullet points above) is taken as a guide, the K-1 emerges as the winner of the contest (13 : 10 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional 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.

K-1 13:10 A7R

How about other alternatives? Do the specifications of the Pentax K-1 and the Sony A7R place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens 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 says little about, for example, the shooting experience and imaging performance of the K-1 and the A7R in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is where reviews by experts come in. 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Pentax K-15/5....84/1005/55/5 Feb 2016 US$ 1 799ebay.com
2.
 
Sony A7R5/5+ +..82/1004.5/55/5 Oct 2013 US$ 2 299ebay.com
3.
 
Canon 5D Mark IV4.5/5+ +4/587/1004.5/54.5/5 Aug 2016 US$ 3 499 amazon.com
4.
 
Nikon D5005/5+ +4.7/591/1004.5/55/5 Jan 2016 US$ 1 999ebay.com
5.
 
Olympus E-M1 II5/5+ +5/585/1004.5/54.5/5 Sep 2016 US$ 1 999ebay.com
6.
 
Pentax K-1 II....4.5/579/1004.5/54.5/5 Feb 2018 US$ 1 999 amazon.com
7.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 US$ 1 099ebay.com
8.
 
Sony A75/5+ +..80/1005/55/5 Oct 2013 US$ 1 699ebay.com
9.
 
Sony A7 IV5/5+ +4.5/589/1004.5/54.5/5 Oct 2021 US$ 2 499 amazon.com
10.
 
Sony A7C II4/5..4/587/1004.5/54.5/5 Aug 2023 US$ 2 199 amazon.com
11.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 US$ 3 199ebay.com
12.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 US$ 3 199ebay.com
13.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 US$ 3 199 amazon.com
14.
 
Sony A7S4/5....86/1004.5/55/5 Apr 2014 US$ 2 499ebay.com
15.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 US$ 3 199ebay.com
16.
 
Sony A8503/5....75/100..4.5/5 Aug 2009 US$ 1 999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
  empty  Camera 
 Model 

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, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just 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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  • Canon SX420
  • Canon SX430
  • Canon SX500
  • Canon SX510
  • Canon SX520
  • Canon SX530
  • Canon SX540
  • Canon SX600
  • Canon SX610
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  • Canon SX700
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  • Canon Rebel
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  • Canon V1
  • Canon XC10
  • Canon XS
  • Canon XSi
  • Canon XT
  • Canon XTi
  • Contax N Digital
  • Epson R-D1
  • Fujifilm GFX 50R
  • Fujifilm GFX 50S
  • Fujifilm GFX 50S II
  • Fujifilm GFX 100
  • Fujifilm GFX 100 II
  • Fujifilm GFX 100RF
  • Fujifilm GFX 100S
  • Fujifilm GFX 100S II
  • Fujifilm X-A1
  • Fujifilm X-A2
  • Fujifilm X-A3
  • Fujifilm X-A5
  • Fujifilm X-A7
  • Fujifilm X-A10
  • Fujifilm X-E1
  • Fujifilm X-E2
  • Fujifilm X-E2S
  • Fujifilm X-E3
  • Fujifilm X-E4
  • Fujifilm X-E5
  • Fujifilm X-H1
  • Fujifilm X-H2
  • Fujifilm X-H2S
  • Fujifilm X-M1
  • Fujifilm X-M5
  • Fujifilm X-Pro1
  • Fujifilm X-Pro2
  • Fujifilm X-Pro3
  • Fujifilm X-S10
  • Fujifilm X-S20
  • Fujifilm X-T1
  • Fujifilm X-T2
  • Fujifilm X-T3
  • Fujifilm X-T4
  • Fujifilm X-T5
  • Fujifilm X-T10
  • Fujifilm X-T20
  • Fujifilm X-T30
  • Fujifilm X-T30 II
  • Fujifilm X-T50
  • Fujifilm X-T100
  • Fujifilm X-T200
  • Fujifilm X10
  • Fujifilm X20
  • Fujifilm X30
  • Fujifilm X70
  • Fujifilm X100
  • Fujifilm X100S
  • Fujifilm X100T
  • Fujifilm X100F
  • Fujifilm X100V
  • Fujifilm X100VI
  • Fujifilm XF10
  • Fujifilm XQ1
  • Fujifilm XQ2
  • Fujifilm XP120
  • Fujifilm XP130
  • Fujifilm XP140
  • Hasselblad X1D
  • Hasselblad X1D II
  • Hasselblad X2D 100C
  • Kodak AZ901
  • Kodak S-1
  • Leica C-LUX
  • Leica CL
  • Leica D-LUX Typ 109
  • Leica D-LUX 5
  • Leica D-LUX 6
  • Leica D-LUX 7
  • Leica D-LUX 8
  • Leica Digilux 3
  • Leica M Typ 240
  • Leica M-E Typ 240
  • Leica M Typ 262
  • Leica M8
  • Leica M9
  • Leica M10
  • Leica M10-P
  • Leica M10-R
  • Leica M11
  • Leica Q Typ 116
  • Leica Q2
  • Leica Q3
  • Leica S1
  • Leica S2
  • Leica S3
  • Leica S Typ 006
  • Leica S-E Typ 006
  • Leica S Typ 007
  • Leica SL
  • Leica SL2
  • Leica SL2-S
  • Leica SL3
  • Leica SL3-S
  • Leica T
  • Leica TL
  • Leica TL2
  • Leica V-LUX 1
  • Leica V-LUX 2
  • Leica V-LUX 3
  • Leica V-LUX 4
  • Leica V-LUX Typ 114
  • Leica V-LUX 5
  • Leica X1
  • Leica X2
  • Leica X Vario
  • Leica X Typ 113
  • Leica X-U Typ 113
  • Leitz Ur-Leica
  • Nikon 1 J4
  • Nikon 1 J5
  • Nikon 1 V1
  • Nikon 1 V2
  • Nikon 1 V3
  • Nikon Coolpix A
  • Nikon A1000
  • Nikon B500
  • Nikon B600
  • Nikon B700
  • Nikon D1
  • Nikon D1H
  • Nikon D1X
  • Nikon D2H
  • Nikon D2X
  • Nikon D2Xs
  • Nikon D3
  • Nikon D3S
  • Nikon D3X
  • Nikon D4
  • Nikon D4S
  • Nikon D5
  • Nikon D6
  • Nikon D40
  • Nikon D40X
  • Nikon D50
  • Nikon D60
  • Nikon D70
  • Nikon D70s
  • Nikon D80
  • Nikon D90
  • Nikon D100
  • Nikon D200
  • Nikon D300
  • Nikon D300S
  • Nikon D500
  • Nikon D600
  • Nikon D610
  • Nikon D700
  • Nikon D750
  • Nikon D780
  • Nikon D800
  • Nikon D800E
  • Nikon D810
  • Nikon D850
  • Nikon D3000
  • Nikon D3100
  • Nikon D3200
  • Nikon D3300
  • Nikon D3400
  • Nikon D3500
  • Nikon D5000
  • Nikon D5100
  • Nikon D5200
  • Nikon D5300
  • Nikon D5500
  • Nikon D5600
  • Nikon D7000
  • Nikon D7100
  • Nikon D7200
  • Nikon D7500
  • Nikon Df
  • Nikon L840
  • Nikon P900
  • Nikon P950
  • Nikon P1000
  • Nikon P1100
  • Nikon P7800
  • Nikon W150
  • Nikon W300
  • Nikon Z5
  • Nikon Z5 II
  • Nikon Z6
  • Nikon Z6 II
  • Nikon Z6 III
  • Nikon Z7
  • Nikon Z7 II
  • Nikon Z8
  • Nikon Z9
  • Nikon Z30
  • Nikon Z50
  • Nikon Z50 II
  • Nikon Zf
  • Nikon Z fc
  • Olympus E-1
  • Olympus E-3
  • Olympus E-5
  • Olympus E-30
  • Olympus E-300
  • Olympus E-330
  • Olympus E-400
  • Olympus E-410
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  • Olympus E-450
  • Olympus E-500
  • Olympus E-510
  • Olympus E-520
  • Olympus E-600
  • Olympus E-620
  • Olympus E-M1
  • Olympus E-M1 II
  • Olympus E-M1 III
  • Olympus E-M1X
  • Olympus E-M5
  • Olympus E-M5 II
  • Olympus E-M5 III
  • Olympus E-M10
  • Olympus E-M10 II
  • Olympus E-M10 III
  • Olympus E-M10 IV
  • Olympus E-P1
  • Olympus E-P2
  • Olympus E-P3
  • Olympus E-P5
  • Olympus E-P7
  • Olympus E-PL1
  • Olympus E-PL2
  • Olympus E-PL3
  • Olympus E-PL5
  • Olympus E-PL6
  • Olympus E-PL7
  • Olympus E-PL8
  • Olympus E-PL9
  • Olympus E-PL10
  • Olympus E-PM1
  • Olympus E-PM2
  • Olympus PEN-F
  • Olympus Stylus 1
  • Olympus Stylus 1s
  • Olympus TG-4
  • Olympus TG-5
  • Olympus TG-6
  • Olympus XZ-1
  • Olympus XZ-2
  • OM System OM-1
  • OM System OM-1 II
  • OM System OM-3
  • OM System OM-5
  • OM System OM-5 II
  • OM System TG-7
  • Panasonic FZ80
  • Panasonic FZ80D
  • Panasonic FZ100
  • Panasonic FZ150
  • Panasonic FZ200
  • Panasonic FZ300
  • Panasonic FZ1000
  • Panasonic FZ1000 II
  • Panasonic FZ2500
  • Panasonic G1
  • Panasonic G2
  • Panasonic G3
  • Panasonic G5
  • Panasonic G6
  • Panasonic G7
  • Panasonic G9
  • Panasonic G9 II
  • Panasonic G10
  • Panasonic G85
  • Panasonic G97
  • Panasonic G95
  • Panasonic G100
  • Panasonic GF1
  • Panasonic GF2
  • Panasonic GF3
  • Panasonic GF5
  • Panasonic GF6
  • Panasonic GF7
  • Panasonic GH1
  • Panasonic GH2
  • Panasonic GH3
  • Panasonic GH4
  • Panasonic GH5
  • Panasonic GH5 II
  • Panasonic GH5s
  • Panasonic GH6
  • Panasonic GH7
  • Panasonic GM1
  • Panasonic GM5
  • Panasonic GX1
  • Panasonic GX7
  • Panasonic GX8
  • Panasonic GX9
  • Panasonic GX85
  • Panasonic GX850
  • Panasonic L1
  • Panasonic L10
  • Panasonic LF1
  • Panasonic LX5
  • Panasonic LX7
  • Panasonic LX10
  • Panasonic LX100
  • Panasonic LX100 II
  • Panasonic S1
  • Panasonic S1 II
  • Panasonic S1H
  • Panasonic S1R
  • Panasonic S1R II
  • Panasonic S5
  • Panasonic S5 II
  • Panasonic S9
  • Panasonic TS7
  • Panasonic ZS70
  • Panasonic ZS80
  • Panasonic ZS100
  • Panasonic ZS200
  • Pentax 645D
  • Pentax 645Z
  • Pentax K-1
  • Pentax K-1 II
  • Pentax K-3
  • Pentax K-3 II
  • Pentax K-3 III
  • Pentax K-5
  • Pentax K-5 II
  • Pentax K-30
  • Pentax K-50
  • Pentax K-70
  • Pentax K-500
  • Pentax KP
  • Pentax K-S1
  • Pentax K-S2
  • Pentax MX-1
  • Pentax Q
  • Pentax WG-8
  • Pentax WG-90
  • Pentax WG-1000
  • Ricoh GR
  • Ricoh GR II
  • Ricoh GR III
  • Ricoh GR IIIx
  • Ricoh WG-6
  • Ricoh WG-60
  • Samsung NX1
  • Samsung NX30
  • Samsung NX500
  • Sigma fp
  • Sigma fp L
  • Sony A1
  • Sony A1 II
  • Sony A7
  • Sony A7 II
  • Sony A7 III
  • Sony A7 IV
  • Sony A7C
  • Sony A7C II
  • Sony A7C R
  • Sony A7R
  • Sony A7R II
  • Sony A7R III
  • Sony A7R IIIA
  • Sony A7R IV
  • Sony A7R IVA
  • Sony A7R V
  • Sony A7S
  • Sony A7S II
  • Sony A7S III
  • Sony A9
  • Sony A9 II
  • Sony A9 III
  • Sony A58
  • Sony A68
  • Sony A77
  • Sony A77 II
  • Sony A99
  • Sony A99 II
  • Sony A850
  • Sony A900
  • Sony A3000
  • Sony A5000
  • Sony A5100
  • Sony A6000
  • Sony A6100
  • Sony A6300
  • Sony A6400
  • Sony A6500
  • Sony A6600
  • Sony A6700
  • Sony H200
  • Sony H300
  • Sony H400
  • Sony HX80
  • Sony HX90V
  • Sony HX95
  • Sony HX99
  • Sony HX350
  • Sony HX400V
  • Sony NEX-3
  • Sony NEX-3N
  • Sony NEX-5
  • Sony NEX-5N
  • Sony NEX-5R
  • Sony NEX-5T
  • Sony NEX-6
  • Sony NEX-7
  • Sony NEX-C3
  • Sony NEX-F3
  • Sony RX0
  • Sony RX0 II
  • Sony RX1
  • Sony RX1R
  • Sony RX1R II
  • Sony RX1R III
  • Sony RX10
  • Sony RX10 II
  • Sony RX10 III
  • Sony RX10 IV
  • Sony RX100
  • Sony RX100 II
  • Sony RX100 III
  • Sony RX100 IV
  • Sony RX100 V
  • Sony RX100 VI
  • Sony RX100 VII
  • Sony WX800
  • Sony ZV-1
  • Sony ZV-1 II
  • Sony ZV-1F
  • Sony ZV-E1
  • Sony ZV-E10
  • Sony ZV-E10 II
  • YI M1
  • Zeiss ZX1
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Specifications: Pentax K-1 vs Sony A7R

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 Pentax K-1 Sony A7R
Camera Type Digital single lens reflex Mirrorless system camera
Camera Lens Pentax K mount lenses Sony E mount lenses
Launch Date February 2016 October 2013
Launch Price USD 1,799 USD 2,299
Sensor Specs Pentax K-1 Sony A7R
Sensor Technology CMOS CMOS
Sensor Format Full Frame Sensor Full Frame Sensor
Sensor Size 35.9 x 24.0 mm 35.9 x 24.0 mm
Sensor Area 861.6 mm2 861.6 mm2
Sensor Diagonal 43.2 mm 43.2 mm
Crop Factor 1.0x 1.0x
Sensor Resolution 36.2 Megapixels 36.2 Megapixels
Image Resolution 7360 x 4912 pixels 7360 x 4912 pixels
Pixel Pitch 4.88 μm 4.88 μm
Pixel Density 4.20 MP/cm2 4.20 MP/cm2
Moiré control no AA filter no AA filter
Movie Capability 1080/60i Video 1080/60p Video
ISO Setting 100 - 204,800 ISO 100 - 25,600 ISO
ISO Boost no Enhancement 50 - 51,200 ISO
Image Processor PRIME IV BIONZ X
DXO Sensor Quality (score) 96 95
DXO Color Depth (bits) 25.4 25.6
DXO Dynamic Range (EV) 14.6 14.1
DXO Low Light (ISO) 3280 2746
Screen Specs Pentax K-1 Sony A7R
Viewfinder Type Optical viewfinder Electronic viewfinder
Viewfinder Field of View 100% 100%
Viewfinder Magnification 0.70x 0.71x
Viewfinder Resolution 2400k dots
Top-Level Screen Control Panel no Top Display
LCD Framing Live View Live View
Rear LCD Size 3.2inch 3.0inch
LCD Resolution 1037k dots 1230k dots
LCD Attachment Fully flexible screen Tilting screen
Shooting Specs Pentax K-1 Sony A7R
Focus System Phase-detect AF Contrast-detect AF
Manual Focusing AidFocus PeakingFocus Peaking
Max Shutter Speed (mechanical) 1/8000s 1/8000s
Continuous Shooting 4.4 shutter flaps/s 4 shutter flaps/s
Shutter Life Expectancy300 000 actuations250 000 actuations
Time-Lapse PhotographyIntervalometer built-inno Intervalometer
Image StabilizationIn-body stabilizationLens stabilization only
Fill Flash no On-Board Flash no On-Board Flash
Storage Medium SDXC cards MS or SDXC cards
Single or Dual Card Slots Dual card slots Single card slot
UHS card support UHS-I UHS-I
Connectivity Specs Pentax K-1 Sony A7R
External Flash Hotshoe Hotshoe
Studio Flash PC Sync socket no PC Sync
USB Connector USB 2.0 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
Near-Field Communication no NFC NFC built-in
Geotagging GPS built-in no internal GPS
Body Specs Pentax K-1 Sony A7R
Environmental SealingWeathersealed bodyWeathersealed body
Battery Type Pentax D-LI90 Sony NP-FW50
Battery Life (CIPA)760 shots per charge340 shots per charge
In-Camera Charging no USB charging USB charging
Body Dimensions 137 x 110 x 86 mm
(5.4 x 4.3 x 3.4 in)
127 x 94 x 48 mm
(5.0 x 3.7 x 1.9 in)
Camera Weight 1010 g (35.6 oz) 465 g (16.4 oz)
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