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Pentax KP vs Nikon D850

The Pentax KP and the Nikon D850 are two digital cameras that were revealed to the public, respectively, in January 2017 and July 2017. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (KP) and a full frame (D850) sensor. The Pentax has a resolution of 24.1 megapixels, whereas the Nikon provides 45.4 MP.

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

Headline Specifications
Pentax KP
versus
Nikon D850
Pentax KP   Nikon D850
Digital single lens reflex Digital single lens reflex
Pentax K mount lenses Nikon F mount lenses
24.1 MP – APS-C sensor 45.4 MP – Full Frame sensor
1080/60i Video 4K/30p Video
ISO 100-819,200 ISO 64-25,600 (32 - 102,400)
Optical viewfinder Optical viewfinder
3.0" LCD – 921k dots 3.2" LCD – 2359k dots
Tilting screen (no touchscreen) Tilting touchscreen
7 shutter flaps per second 9 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodyWeathersealed body
390 shots per battery charge1840 shots per battery charge
132 x 101 x 76 mm, 703 g 146 x 124 x 79 mm, 1005 g
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Check D850 price at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax KP and the Nikon D850? 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

An illustration of the physical size and weight of the Pentax KP and the Nikon D850 is provided in the side-by-side display below. 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 KP can be obtained in two different colors (black, silver), while the D850 is only available in black.

Size Pentax KP vs Nikon D850
Compare KP versus D850 top
Comparison KP or D850 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon D850 is notably larger (36 percent) than the Pentax KP. Moreover, the D850 is substantially heavier (43 percent) than the KP. 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 KP gets 390 shots out of its Pentax D-LI109 battery, while the D850 can take 1840 images on a single charge of its Nikon EN-EL15a power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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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 (USD)
Street
Price
1.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 1,099ebay.com
2.
 
Nikon D850 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 3,299 amazon.com
3.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
4.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699ebay.com
5.
 
Fujifilm X-H1 140 mm 97 mm 86 mm 673 g 310 Y Feb 2018 1,899ebay.com
6.
 
Nikon D5 160 mm 159 mm 92 mm 1415 g 3780 Y Jan 2016 6,499ebay.com
7.
 
Nikon D610 141 mm 113 mm 82 mm 850 g 900 Y Oct 2013 1,999ebay.com
8.
 
Nikon D810 146 mm 123 mm 82 mm 980 g 1200 Y Jun 2014 3,299ebay.com
9.
 
Nikon D7500 136 mm 104 mm 73 mm 720 g 950 Y Apr 2017 1,299 amazon.com
10.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299ebay.com
11.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 1,099ebay.com
12.
 
Pentax K-3 III 135 mm 104 mm 74 mm 820 g 800 Y Mar 2021 1,999 amazon.com
13.
 
Pentax K-5 131 mm 97 mm 73 mm 760 g 740 Y Sep 2010 1,099ebay.com
14.
 
Pentax K-5 II 131 mm 97 mm 73 mm 760 g 740 Y Sep 2012 1,099ebay.com
15.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 649ebay.com
16.
 
Pentax K-S2 123 mm 91 mm 73 mm 678 g 410 Y Feb 2015 749ebay.com
17.
 
Sony A77 II 143 mm 104 mm 81 mm 647 g 480 Y May 2014 1,199ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. 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 67 percent) than the D850, 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 size of the imaging sensor is a crucial determinant 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.

Of the two cameras under consideration, the Pentax KP features an APS-C sensor and the Nikon D850 a full frame sensor. The sensor area in the D850 is 134 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Pentax KP and Nikon D850 sensor measures

With 45.4MP, the D850 offers a higher resolution than the KP (24.1MP), but the D850 nevertheless has larger individual pixels (pixel pitch of 4.35μm versus 3.90μm for the KP) due to its larger sensor. Moreover, the D850 is a somewhat more recent model (by 5 months) than the KP, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. 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 Nikon D850 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the D850 for good quality output (200 dots per inch) amounts to 41.3 x 27.5 inches or 104.9 x 69.9 cm, for very good quality (250 dpi) 33 x 22 inches or 83.9 x 55.9 cm, and for excellent quality (300 dpi) 27.5 x 18.3 inches or 69.9 x 46.6 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.

Unlike the D850, 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 Pentax KP has a native sensitivity range from ISO 100 to ISO 819200. The corresponding ISO settings for the Nikon D850 are ISO 64 to ISO 25600, with the possibility to increase the ISO range to 32-102400.

In terms of underlying technology, the KP is build around a CMOS sensor, while the D850 uses a BSI-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.

KP versus D850 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 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
2.
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100
3.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
4.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
5.
 
Fujifilm X-H1 APS-C 24.0 6000 40004K/30p24.013.3180682
6.
 
Nikon D5 Full Frame 20.7 5588 37124K/30p25.112.3234388
7.
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.4292594
8.
 
Nikon D810 Full Frame 36.2 7360 49121080/60p25.714.8285397
9.
 
Nikon D7500 APS-C 20.7 5568 37124K/30p24.314.0148386
10.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
11.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
12.
 
Pentax K-3 III APS-C 25.6 6192 41284K/30p24.213.7208385
13.
 
Pentax K-5 APS-C 16.1 4928 32641080/25p23.714.1116282
14.
 
Pentax K-5 II APS-C 16.1 4928 32641080/25p23.814.1123582
15.
 
Pentax K-70 APS-C 24.0 6000 40001080/60i23.813.1163980
16.
 
Pentax K-S2 APS-C 20.0 5472 36481080/30p23.612.9151479
17.
 
Sony A77 II APS-C 24.0 6000 40001080/60p24.413.4101382
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but 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 D850 provides a better video resolution than the KP. It can shoot movie footage at 4K/30p, 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. The KP and the D850 are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the D850 has a higher magnification than the one of the KP (0.75x 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 Pentax KP, the Nikon D850, 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 KPoptical n3.0 / 921 tilting n 1/6000s 7.0/s Y Y
2.
 
Nikon D850optical Y3.2 / 2359 tilting Y 1/8000s 9.0/s n n
3.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
4.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
5.
 
Fujifilm X-H13690 Y3.0 / 1040 full-flex Y 1/8000s 14.0/s n Y
6.
 
Nikon D5optical Y3.2 / 2359 fixed Y 1/8000s 14.0/s n n
7.
 
Nikon D610optical Y3.2 / 921 fixed n 1/4000s 6.0/s Y n
8.
 
Nikon D810optical Y3.2 / 1229 fixed n 1/8000s 5.0/s Y n
9.
 
Nikon D7500optical Y3.2 / 922 tilting Y 1/8000s 8.0/s Y n
10.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
11.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
12.
 
Pentax K-3 IIIoptical Y3.2 / 1620 fixed Y 1/8000s 12.0/s n Y
13.
 
Pentax K-5optical Y3.0 / 921 fixed n 1/8000s 7.0/s Y Y
14.
 
Pentax K-5 IIoptical Y3.0 / 921 fixed n 1/8000s 7.0/s Y Y
15.
 
Pentax K-70optical n3.0 / 921 swivel n 1/6000s 6.0/s Y Y
16.
 
Pentax K-S2optical n3.0 / 921 swivel n 1/6000s 5.4/s Y Y
17.
 
Sony A77 II2359 Y3.0 / 1229 full-flex n 1/8000s 12.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The KP has one, while the D850 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, the KP 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 Pentax KP and the Nikon D850 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 KP writes its imaging data to SDXC cards, while the D850 uses SDXC or XQD cards. The D850 features dual card slots, which can be very useful in case a memory card fails. In contrast, the KP only has one slot. The D850 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the KP 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 Pentax KP and Nikon D850 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 KPYstereo / monoY--2.0Y--
2.
 
Nikon D850Ystereo / monoYYmini3.0YYY
3.
 
Canon 5DSYmono / monoY-mini3.0---
4.
 
Canon 5DS RYmono / monoY-mini3.0---
5.
 
Fujifilm X-H1Ystereo / monoY-micro3.0Y--
6.
 
Nikon D5Ystereo / monoYYmini3.0---
7.
 
Nikon D610Ymono / monoYYmini2.0---
8.
 
Nikon D810Ystereo / monoYYmini3.0Y--
9.
 
Nikon D7500Ystereo / monoYYmini2.0Y-Y
10.
 
Pentax K-3Ymono / monoYYmini3.0---
11.
 
Pentax K-3 IIYmono / monoYYmini3.0---
12.
 
Pentax K-3 IIIYstereo / monoYYmicro3.2Y-Y
13.
 
Pentax K-5Ystereo / monoY-mini2.0---
14.
 
Pentax K-5 IIYstereo / monoY-mini2.0---
15.
 
Pentax K-70Ystereo / monoY-mini2.0Y--
16.
 
Pentax K-S2Ymono / monoY-micro2.0YY-
17.
 
Sony A77 IIYstereo / monoY-mini2.0YY-

It is notable that the D850 has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The KP lacks such a headphone port.

Studio photographers will appreciate that the Nikon D850 (unlike the KP) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The D850 is a recent model that features in the current product line-up of Nikon. In contrast, the KP has been discontinued (but can be found pre-owned on ebay). There has not been a direct replacement model for the KP from Pentax. Further information on the features and operation of the KP and D850 can be found, respectively, in the Pentax KP Manual (free pdf) or the online Nikon D850 Manual.

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Review summary

So how do things add up? Is the Pentax KP better than the Nikon D850 or vice versa? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Pentax KP:

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (132x101mm vs 146x124mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 302g or 30 percent) and hence easier to carry around.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (67 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in January 2017).

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Arguments in favor of the Nikon D850:

  • More detail: Has more megapixels (45.4 vs 24.1MP), which boosts linear resolution by 37%.
  • Better image quality: Is equipped with a larger and more technologically advanced sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60i).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.75x vs 0.63x).
  • 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.
  • More detailed LCD: Has a higher resolution rear screen (2359k vs 921k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/6000s) to freeze action.
  • Faster burst: Shoots at higher frequency (9 vs 7 flaps/sec) to capture the decisive moment.
  • Longer lasting: Gets more shots (1840 versus 390) out of a single battery charge.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • 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.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Was introduced somewhat (5 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the D850 is the clear winner of the contest (22 : 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.

KP 08:22 D850

How about other alternatives? Do the specifications of the Pentax KP and the Nikon D850 place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing 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 KP or the D850 perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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 (USD)
Street
Price
1.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 1,099ebay.com
2.
 
Nikon D8504.5/5+ +5/589/1004.5/55/5 Jul 2017 3,299 amazon.com
3.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 3,699ebay.com
4.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699ebay.com
5.
 
Fujifilm X-H1..+5/586/1004.5/54.5/5 Feb 2018 1,899ebay.com
6.
 
Nikon D5....4/589/1004.5/55/5 Jan 2016 6,499ebay.com
7.
 
Nikon D6104/5+ +..87/1004.5/54.5/5 Oct 2013 1,999ebay.com
8.
 
Nikon D8105/5..5/586/1005/54.5/5 Jun 2014 3,299ebay.com
9.
 
Nikon D75004.5/5+ +4.5/586/1005/54.5/5 Apr 2017 1,299 amazon.com
10.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 1,299ebay.com
11.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 1,099ebay.com
12.
 
Pentax K-3 III4/5..3/5..4.5/5.. Mar 2021 1,999 amazon.com
13.
 
Pentax K-54/5....83/1005/54.5/5 Sep 2010 1,099ebay.com
14.
 
Pentax K-5 II5/5....80/1005/54.5/5 Sep 2012 1,099ebay.com
15.
 
Pentax K-704.5/5..4/579/1004.5/54.5/5 Jun 2016 649ebay.com
16.
 
Pentax K-S24.5/5......5/54.5/5 Feb 2015 749ebay.com
17.
 
Sony A77 II4/5....80/1004.5/55/5 May 2014 1,199ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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: Pentax KP vs Nikon D850

    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 KP Nikon D850
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Pentax K mount lenses Nikon F mount lenses
    Launch Date January 2017 July 2017
    Launch Price USD 1,099 USD 3,299
    Sensor Specs Pentax KP Nikon D850
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.5 x 15.6 mm 35.9 x 23.9 mm
    Sensor Area 366.6 mm2 858.01 mm2
    Sensor Diagonal 28.2 mm 43.1 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 24.1 Megapixels 45.4 Megapixels
    Image Resolution 6016 x 4000 pixels 8256 x 5504 pixels
    Pixel Pitch 3.90 μm 4.35 μm
    Pixel Density 6.56 MP/cm2 5.30 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/60i Video 4K/30p Video
    ISO Setting 100 - 819,200 ISO 64 - 25,600 ISO
    ISO Boost no Enhancement 32 - 102,400 ISO
    Image Processor PRIME IV EXPEED 5
    DXO Sensor Quality (score) .. 100
    DXO Color Depth (bits) .. 26.4
    DXO Dynamic Range (EV) .. 14.8
    DXO Low Light (ISO) .. 2660
    Screen Specs Pentax KP Nikon D850
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.63x 0.75x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 921k dots 2359k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Pentax KP Nikon D850
    Focus System Phase-detect AF Phase-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 7 shutter flaps/s 9 shutter flaps/s
    Shutter Life Expectancy100 000 actuations200 000 actuations
    Electronic Shutterup to 1/24000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC or XQD cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-I UHS-II
    Connectivity Specs Pentax KP Nikon D850
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.0
    HDMI Port no HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Pentax KP Nikon D850
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Pentax D-LI109 Nikon EN-EL15a
    Battery Life (CIPA)390 shots per charge1840 shots per charge
    Body Dimensions 132 x 101 x 76 mm
    (5.2 x 4.0 x 3.0 in)
    146 x 124 x 79 mm
    (5.7 x 4.9 x 3.1 in)
    Camera Weight 703 g (24.8 oz) 1005 g (35.5 oz)
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