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Sony A7R II vs Pentax KP

The Sony Alpha A7R II and the Pentax KP are two enthusiast cameras that were announced, respectively, in June 2015 and January 2017. The A7R II is a mirrorless interchangeable lens camera, while the KP is a DSLR. The cameras are based on a full frame (A7R II) and an APS-C (KP) sensor. The Sony has a resolution of 42.2 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
Sony A7R II
versus
Pentax KP
Sony A7R II   Pentax KP
Mirrorless system camera Digital single lens reflex
Sony E mount lenses Pentax K mount lenses
42.2 MP – Full Frame sensor 24.1 MP – APS-C sensor
4K/30p Video 1080/60i Video
ISO 100-25,600 (50 - 102,400) ISO 100-819,200
Electronic viewfinder (2400k dots) Optical viewfinder
3.0" LCD – 1229k dots 3.0" LCD – 921k dots
Tilting screen (no touchscreen) Tilting screen (no touchscreen)
5 shutter flaps per second 7 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
290 shots per battery charge390 shots per battery charge
127 x 96 x 60 mm, 625 g 132 x 101 x 76 mm, 703 g
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Check A7R II offers at
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Check KP offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha A7R II and the Pentax KP? 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 Sony A7R II and the Pentax KP. 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 measures are rounded to the nearest millimeter.

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

Size Sony A7R II vs Pentax KP
Compare A7R II versus KP top
Comparison A7R II or KP rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax KP is notably larger (9 percent) than the Sony A7R II. Moreover, the KP is markedly heavier (12 percent) than the A7R II. 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 A7R II gets 290 shots out of its Sony NP-FW50 battery, while the KP can take 390 images on a single charge of its Pentax D-LI109 power pack. The power pack in the A7R II can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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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.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199ebay.com
2.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 1,099ebay.com
3.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 649ebay.com
4.
 
Pentax K-S2 123 mm 91 mm 73 mm 678 g 410 Y Feb 2015 749ebay.com
5.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 1,099ebay.com
6.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299ebay.com
7.
 
Pentax K-5 II 131 mm 97 mm 73 mm 760 g 740 Y Sep 2012 1,099ebay.com
8.
 
Sony A7R V 131 mm 97 mm 82 mm 723 g 530 Y Oct 2022 3,899 amazon.com
9.
 
Sony A1 129 mm 97 mm 81 mm 737 g 530 Y Jan 2021 6,499 amazon.com
10.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 3,199 amazon.com
11.
 
Sony A7R IVA 129 mm 96 mm 78 mm 665 g 670 Y Apr 2021 3,499 amazon.com
12.
 
Sony A7S III 127 mm 97 mm 81 mm 699 g 600 Y Jul 2020 3,499 amazon.com
13.
 
Sony A7R IV 129 mm 96 mm 78 mm 665 g 670 Y Jul 2019 3,499ebay.com
14.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
15.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199ebay.com
16.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999ebay.com
17.
 
Sony A7R 127 mm 94 mm 48 mm 465 g 340 Y Oct 2013 2,299ebay.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 KP was launched at a markedly lower price (by 66 percent) than the A7R II, 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.

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. 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 Sony A7R II features a full frame sensor and the Pentax KP an APS-C sensor. The sensor area in the KP is 57 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.

Sony A7R II and Pentax KP sensor measures

With 42.2MP, the A7R II offers a higher resolution than the KP (24.1MP), but the A7R II nevertheless has larger individual pixels (pixel pitch of 4.52μm versus 3.90μm for the KP) due to its larger sensor. However, the KP is a somewhat more recent model (by 1 year and 7 months) than the A7R II, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels. 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.

The resolution advantage of the Sony A7R II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A7R II for good quality output (200 dots per inch) amounts to 39.8 x 26.5 inches or 101 x 67.4 cm, for very good quality (250 dpi) 31.8 x 21.2 inches or 80.8 x 53.9 cm, and for excellent quality (300 dpi) 26.5 x 17.7 inches or 67.3 x 44.9 cm. The corresponding values for the Pentax KP are 30.1 x 20 inches or 76.4 x 50.8 cm for good quality, 24.1 x 16 inches or 61.1 x 40.6 cm for very good quality, and 20.1 x 13.3 inches or 50.9 x 33.9 cm for excellent quality prints.

The A7R II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the A7R II, the KP 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 Sony Alpha A7R II has a native sensitivity range from ISO 100 to ISO 25600, which can be extended to ISO 50-102400. The corresponding ISO settings for the Pentax KP are ISO 100 to ISO 819200 (no boost).

In terms of underlying technology, the A7R II is build around a BSI-CMOS sensor, while the KP 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.

A7R II versus KP MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The 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.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
2.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
3.
 
Pentax K-70 APS-C 24.0 6000 40001080/60i23.813.1163980
4.
 
Pentax K-S2 APS-C 20.0 5472 36481080/30p23.612.9151479
5.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
6.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
7.
 
Pentax K-5 II APS-C 16.1 4928 32641080/25p23.814.1123582
8.
 
Sony A7R V Full Frame 60.2 9504 63368k/24p26.514.83187100
9.
 
Sony A1 Full Frame 49.8 8640 57608k/30p25.914.5316398
10.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
11.
 
Sony A7R IVA Full Frame 60.2 9504 63364K/30p26.014.8334499
12.
 
Sony A7S III Full Frame 12.0 4240 28324K/120p23.713.9252086
13.
 
Sony A7R IV Full Frame 60.2 9504 63364K/30p26.014.8334499
14.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
15.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
16.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
17.
 
Sony A7R Full Frame 36.2 7360 49121080/60p25.614.1274695
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. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the A7R II provides a higher video resolution than the KP. It can shoot video footage at 4K/30p, 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 A7R II has an electronic viewfinder (2400k dots), while the KP 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 II has a higher magnification than the one of the KP (0.78x 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 Sony A7R II, the Pentax KP, 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.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
2.
 
Pentax KPoptical n3.0 / 921 tilting n 1/6000s 7.0/s Y Y
3.
 
Pentax K-70optical n3.0 / 921 swivel n 1/6000s 6.0/s Y Y
4.
 
Pentax K-S2optical n3.0 / 921 swivel n 1/6000s 5.4/s Y Y
5.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
6.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
7.
 
Pentax K-5 IIoptical Y3.0 / 921 fixed n 1/8000s 7.0/s Y Y
8.
 
Sony A7R V9440 n3.2 / 2100 full-flex Y 1/8000s 10.0/s n Y
9.
 
Sony A19437 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
10.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
11.
 
Sony A7R IVA5760 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
12.
 
Sony A7S III9440 n3.0 / 1440 swivel Y 1/8000s 10.0/s n Y
13.
 
Sony A7R IV5760 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
14.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
15.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
16.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
17.
 
Sony A7R2400 n3.0 / 1230 tilting n 1/8000s 4.0/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One difference between the cameras concerns the presence of an on-board flash. The KP has one, while the A7R II does not. While the built-in flash of the KP is not very powerful, it can at times be useful as a fill-in light.

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, both cameras under consideration feature an 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 Pentax KP 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 A7R II writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the KP uses SDXC cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of 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 Sony Alpha A7R II and Pentax KP 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.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
2.
 
Pentax KPYstereo / monoY--2.0Y--
3.
 
Pentax K-70Ystereo / monoY-mini2.0Y--
4.
 
Pentax K-S2Ymono / monoY-micro2.0YY-
5.
 
Pentax K-3 IIYmono / monoYYmini3.0---
6.
 
Pentax K-3Ymono / monoYYmini3.0---
7.
 
Pentax K-5 IIYstereo / monoY-mini2.0---
8.
 
Sony A7R VYstereo / monoYYfull3.2Y-Y
9.
 
Sony A1Ystereo / monoYYfull3.2Y-Y
10.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
11.
 
Sony A7R IVAYstereo / monoYYmicro3.2YYY
12.
 
Sony A7S IIIYstereo / monoYYfull3.2Y-Y
13.
 
Sony A7R IVYstereo / monoYYmicro3.1YYY
14.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
15.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
16.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-
17.
 
Sony A7RYstereo / monoYYmicro2.0YY-
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It is notable that the A7R II has a headphone jack, which is not present on the KP This port makes it possible to attach external headphones and monitor the quality of sound during the recording process.

Both the A7R II and the KP have been discontinued, but can regularly be found used on ebay. The A7R II was replaced by the Sony A7R III, while the KP does not have a direct successor. Further information on the features and operation of the A7R II and KP can be found, respectively, in the Sony A7R II Manual (free pdf) or the online Pentax KP Manual.

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Review summary

So how do things add up? Is the Sony A7R II better than the Pentax KP or vice versa? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Sony Alpha A7R II:

  • More detail: Offers more megapixels (42.2 vs 24.1MP) with a 32% higher linear resolution.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60i).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.63x).
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 921k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/6000s) to freeze action.
  • Less heavy: Is lighter (by 78g or 11 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 device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More heavily discounted: Has been on the market for longer (launched in June 2015).

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Arguments in favor of the Pentax KP:

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Faster burst: Shoots at higher frequency (7 vs 5 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Gets more shots (390 versus 290) out of a single battery charge.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (66 percent cheaper at launch).
  • More modern: Was introduced somewhat (1 year and 7 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the A7R II is the clear winner of the match-up (17 : 8 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

A7R II 17:08 KP

How about other alternatives? Do the specifications of the Sony A7R II and the Pentax KP 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 A7R II or the KP 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 hands-on reviews by experts 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.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 3,199ebay.com
2.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 1,099ebay.com
3.
 
Pentax K-704.5/5..4/579/1004.5/54.5/5 Jun 2016 649ebay.com
4.
 
Pentax K-S24.5/5......5/54.5/5 Feb 2015 749ebay.com
5.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 1,099ebay.com
6.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 1,299ebay.com
7.
 
Pentax K-5 II5/5....80/1005/54.5/5 Sep 2012 1,099ebay.com
8.
 
Sony A7R V5/5+ +4.5/592/100.... Oct 2022 3,899 amazon.com
9.
 
Sony A15/5o4.5/593/1004.5/55/5 Jan 2021 6,499 amazon.com
10.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 3,199 amazon.com
11.
 
Sony A7R IVA5/5+4.5/591/1004.5/55/5 Apr 2021 3,499 amazon.com
12.
 
Sony A7S III4.5/5+ +5/591/1004.5/55/5 Jul 2020 3,499 amazon.com
13.
 
Sony A7R IV5/5+4.5/591/1004.5/55/5 Jul 2019 3,499ebay.com
14.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
15.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 3,199ebay.com
16.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 2,999ebay.com
17.
 
Sony A7R5/5+ +..82/1004.5/55/5 Oct 2013 2,299ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods 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 use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Sony A7R II vs Pentax KP

    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 Sony A7R II Pentax KP
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Sony E mount lenses Pentax K mount lenses
    Launch Date June 2015 January 2017
    Launch Price USD 3,199 USD 1,099
    Sensor Specs Sony A7R II Pentax KP
    Sensor Technology BSI-CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 35.9 x 24.0 mm 23.5 x 15.6 mm
    Sensor Area 861.6 mm2 366.6 mm2
    Sensor Diagonal 43.2 mm 28.2 mm
    Crop Factor 1.0x 1.5x
    Sensor Resolution 42.2 Megapixels 24.1 Megapixels
    Image Resolution 7952 x 5304 pixels 6016 x 4000 pixels
    Pixel Pitch 4.52 μm 3.90 μm
    Pixel Density 4.90 MP/cm2 6.56 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/30p Video 1080/60i Video
    ISO Setting 100 - 25,600 ISO 100 - 819,200 ISO
    ISO Boost 50 - 102,400 ISO no Enhancement
    Image Processor BIONZ X PRIME IV
    DXO Sensor Quality (score) 98 ..
    DXO Color Depth (bits) 26.0 ..
    DXO Dynamic Range (EV) 13.9 ..
    DXO Low Light (ISO) 3434 ..
    Screen Specs Sony A7R II Pentax KP
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.78x 0.63x
    Viewfinder Resolution 2400k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1229k dots 921k dots
    LCD Attachment Tilting screen Tilting screen
    Shooting Specs Sony A7R II Pentax KP
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/6000s
    Continuous Shooting 5 shutter flaps/s 7 shutter flaps/s
    Shutter Life Expectancy500 000 actuations100 000 actuations
    Electronic ShutterYESup to 1/24000s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium MS or SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Sony A7R II Pentax KP
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI no HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in no NFC
    Body Specs Sony A7R II Pentax KP
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Sony NP-FW50 Pentax D-LI109
    Battery Life (CIPA)290 shots per charge390 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 127 x 96 x 60 mm
    (5.0 x 3.8 x 2.4 in)
    132 x 101 x 76 mm
    (5.2 x 4.0 x 3.0 in)
    Camera Weight 625 g (22.0 oz) 703 g (24.8 oz)
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