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Pentax K-5 vs Samsung NX1

The Pentax K-5 and the Samsung NX1 are two enthusiast cameras that were revealed to the public, respectively, in September 2010 and September 2014. The K-5 is a DSLR, while the NX1 is a mirrorless interchangeable lens camera. Both cameras are equipped with an APS-C sensor. The Pentax has a resolution of 16.1 megapixels, whereas the Samsung provides 28 MP.

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

Headline Specifications
Pentax K-5
versus
Samsung NX1
Pentax K-5   Samsung NX1
Digital single lens reflex Mirrorless system camera
Pentax K mount lenses Samsung NX mount lenses
16.1 MP – APS-C sensor 28 MP – APS-C sensor
1080/25p Video 4K/30p Video
ISO 100-12,800 (80 - 51,200) ISO 100-25,600 (100 - 51,200)
Optical viewfinder Electronic viewfinder (2360k dots)
3.0" LCD – 921k dots 3.0" LCD – 1036k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
7 shutter flaps per second 15 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodyWeathersealed body
740 shots per battery charge500 shots per battery charge
131 x 97 x 73 mm, 760 g 139 x 102 x 66 mm, 550 g
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Check K-5 offers at
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Check NX1 offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax K-5 and the Samsung NX1? 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-5 and the Samsung NX1. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Pentax K-5 vs Samsung NX1
Compare K-5 versus NX1 top
Comparison K-5 or NX1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Samsung NX1 is notably larger (12 percent) than the Pentax K-5. However, the NX1 is markedly lighter (28 percent) than the K-5. 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.

The power pack in the NX1 can be charged via the USB port, which can be very convenient when travelling.

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
Street
Price
1.
 
Pentax K-5 131 mm 97 mm 73 mm 760 g 740 Y Sep 2010 US$ 1 099ebay.com
2.
 
Samsung NX1 139 mm 102 mm 66 mm 550 g 500 Y Sep 2014 US$ 1 499ebay.com
3.
 
Fujifilm X-Pro2 141 mm 83 mm 46 mm 495 g 350 Y Jan 2016 US$ 1 699ebay.com
4.
 
Leica Q Typ 116 130 mm 80 mm 93 mm 640 g 300 n Jun 2015 US$ 4 249ebay.com
5.
 
Olympus E-M5 122 mm 89 mm 43 mm 425 g 360 Y Feb 2012 US$ 1 299ebay.com
6.
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 US$ 1 099ebay.com
7.
 
Panasonic GH4 133 mm 93 mm 84 mm 560 g 500 Y Feb 2014 US$ 1 499ebay.com
8.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 US$ 1 299ebay.com
9.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 US$ 1 099ebay.com
10.
 
Pentax K-5 II 131 mm 97 mm 73 mm 760 g 740 Y Sep 2012 US$ 1 099ebay.com
11.
 
Pentax K-30 130 mm 97 mm 71 mm 650 g 410 Y May 2012 US$ 849ebay.com
12.
 
Pentax K-50 130 mm 97 mm 71 mm 650 g 410 Y Jun 2013 US$ 599ebay.com
13.
 
Pentax K-500 130 mm 97 mm 71 mm 646 g 710 n Jun 2013 US$ 549ebay.com
14.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 US$ 1 099ebay.com
15.
 
Samsung NX500 120 mm 64 mm 43 mm 287 g 370 n Feb 2015 US$ 799ebay.com
16.
 
Sony A7 127 mm 94 mm 48 mm 474 g 340 Y Oct 2013 US$ 1 699ebay.com
17.
 
Sony A77 143 mm 104 mm 81 mm 732 g 470 Y Aug 2011 US$ 1 399ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The K-5 was launched at a markedly lower price (by 27 percent) than the NX1, 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. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the NX1 is 1 percent smaller. They nevertheless have the same format factor of 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Pentax K-5 and Samsung NX1 sensor measures

Despite having a slightly smaller sensor, the NX1 offers a higher resolution of 28 megapixels, compared with 16.1 MP of the K-5. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.63μm versus 4.81μm for the K-5). However, it should be noted that the NX1 is much more recent (by 3 years and 11 months) than the K-5, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. Coming back to sensor resolution, it should be mentioned that the NX1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Samsung NX1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the NX1 for good quality output (200 dots per inch) amounts to 32.4 x 21.6 inches or 82.3 x 54.9 cm, for very good quality (250 dpi) 25.9 x 17.3 inches or 65.8 x 43.9 cm, and for excellent quality (300 dpi) 21.6 x 14.4 inches or 54.9 x 36.6 cm. The corresponding values for the Pentax K-5 are 24.6 x 16.3 inches or 62.6 x 41.5 cm for good quality, 19.7 x 13.1 inches or 50.1 x 33.2 cm for very good quality, and 16.4 x 10.9 inches or 41.7 x 27.6 cm for excellent quality prints.

The NX1 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Pentax K-5 has a native sensitivity range from ISO 100 to ISO 12800, which can be extended to ISO 80-51200. The corresponding ISO settings for the Samsung NX1 are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 100-51200.

In terms of underlying technology, the K-5 is build around a CMOS sensor, while the NX1 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.

K-5 versus NX1 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 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
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Pentax K-5 APS-C 16.1 4928 32641080/25p23.714.1116282
2.
 
Samsung NX1 APS-C 28.0 6480 43204K/30p24.213.2136383
3.
 
Fujifilm X-Pro2 APS-C 24.0 6000 40001080/60p23.713.0160880
4.
 
Leica Q Typ 116 Full Frame 24.0 6000 40001080/60p24.312.7222185
5.
 
Olympus E-M5 Four Thirds 15.9 4608 34561080/60i22.812.382671
6.
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
7.
 
Panasonic GH4 Four Thirds 15.9 4608 34564K/30p23.212.879174
8.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
9.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
10.
 
Pentax K-5 II APS-C 16.1 4928 32641080/25p23.814.1123582
11.
 
Pentax K-30 APS-C 16.1 4928 32641080/30p23.713.0112979
12.
 
Pentax K-50 APS-C 16.1 4928 32641080/30p23.713.0112079
13.
 
Pentax K-500 APS-C 16.1 4928 32641080/30p23.713.1108779
14.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
15.
 
Samsung NX500 APS-C 28.0 6480 43204K/30p24.813.9137987
16.
 
Sony A7 Full Frame 24.0 6000 40001080/60p24.814.2224890
17.
 
Sony A77 APS-C 24.0 6000 40001080/60p24.013.280178
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 can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the NX1 provides a better video resolution than the K-5. It can shoot movie footage at 4K/30p, while the Pentax is limited to 1080/25p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the NX1 has an electronic viewfinder (2360k dots), while the K-5 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 NX1 has a higher magnification than the one of the K-5 (0.69x vs 0.61x), 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 Pentax K-5 and Samsung NX1 along with similar information for a selection of comparators.

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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-5optical Y3.0 / 921 fixed n 1/8000s 7.0/s Y Y
2.
 
Samsung NX12360 Y3.0 / 1036 tilting Y 1/8000s 15.0/s Y n
3.
 
Fujifilm X-Pro22360 n3.0 / 1620 fixed n 1/8000s 8.0/s n n
4.
 
Leica Q Typ 1163680 n3.0 / 1040 fixed Y 1/2000s 10.0/s n Y
5.
 
Olympus E-M51440 n3.0 / 610 tilting Y 1/4000s 9.0/s n Y
6.
 
Olympus E-M5 II2360 n3.0 / 1037 swivel Y 1/8000s 10.0/s n Y
7.
 
Panasonic GH42359 n3.0 / 1036 swivel Y 1/8000s 12.0/s Y n
8.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
9.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
10.
 
Pentax K-5 IIoptical Y3.0 / 921 fixed n 1/8000s 7.0/s Y Y
11.
 
Pentax K-30optical n3.0 / 921 fixed n 1/6000s 6.0/s Y Y
12.
 
Pentax K-50optical n3.0 / 921 fixed n 1/6000s 6.0/s Y Y
13.
 
Pentax K-500optical n3.0 / 921 fixed n 1/6000s 6.0/s Y Y
14.
 
Pentax KPoptical n3.0 / 921 tilting n 1/6000s 7.0/s Y Y
15.
 
Samsung NX500none n3.0 / 1036 tilting Y 1/6000s 9.0/s Y n
16.
 
Sony A72400 n3.0 / 1230 tilting n 1/8000s 5.0/s n n
17.
 
Sony A772359 Y3.0 / 921 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 feature that differentiates the K-5 and the NX1 is in-body image stabilization (IBIS). The K-5 reduces the risk of handshake-induced blur with all attached lenses, while the NX1 offers no blur reduction with lenses that themselves do not provide optical image stabilization.

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 NX1 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 K-5 and the Samsung NX1 both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the K-5 and the NX1 write their files to SDXC cards. The NX1 supports UHS-II cards on its first slot and UHS-I on its second one, while the K-5 cannot take advantage of Ultra High Speed SD cards.

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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 K-5 and Samsung NX1 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-5Ystereo / monoY-mini2.0---
2.
 
Samsung NX1Ystereo / monoYYmicro3.0YYY
3.
 
Fujifilm X-Pro2Ystereo / monoY-micro2.0Y--
4.
 
Leica Q Typ 116Ystereo / mono--micro2.0YY-
5.
 
Olympus E-M5Ystereo / mono--mini2.0---
6.
 
Olympus E-M5 IIYstereo / monoY-micro2.0Y--
7.
 
Panasonic GH4Ystereo / monoYYmicro2.0YY-
8.
 
Pentax K-3Ymono / monoYYmini3.0---
9.
 
Pentax K-3 IIYmono / monoYYmini3.0---
10.
 
Pentax K-5 IIYstereo / monoY-mini2.0---
11.
 
Pentax K-30Ymono / mono---2.0---
12.
 
Pentax K-50Ymono / mono--micro2.0---
13.
 
Pentax K-500Ymono / mono---2.0---
14.
 
Pentax KPYstereo / monoY--2.0Y--
15.
 
Samsung NX500Ystereo / mono--micro2.0YYY
16.
 
Sony A7Ystereo / monoYYmicro2.0YY-
17.
 
Sony A77Ystereo / monoY-mini2.0---

It is notable that the NX1 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the K-5 does not provide wifi capability.

Studio photographers will appreciate that the Pentax K-5 (unlike the NX1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the K-5 and the NX1 have been discontinued, but can regularly be found used on ebay. The K-5 was replaced by the Pentax K-5 II, while the NX1 does not have a direct successor. Further information on the features and operation of the K-5 and NX1 can be found, respectively, in the Pentax K-5 Manual (free pdf) or the online Samsung NX1 Manual.

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Review summary

So what is the bottom line? Is the Pentax K-5 better than the Samsung NX1 or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Pentax K-5:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More dynamic range: Captures a larger spectrum of light and dark details (0.9 EV of extra DR).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Longer lasting: Can take more shots (740 versus 500) on a single battery charge.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • More affordable: Was introduced into a lower priced category (27 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in September 2010).

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Advantages of the Samsung NX1:

  • More detail: Has more megapixels (28 vs 16.1MP), which boosts linear resolution by 32%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/25p).
  • 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 (0.69x vs 0.61x).
  • More detailed LCD: Has a higher resolution rear screen (1036k vs 921k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (15 vs 7 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Less heavy: Has a lower weight (by 210g or 28 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.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II and UHS-I) SDXC cards.
  • More modern: Reflects 3 years and 11 months of technical progress since the K-5 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the NX1 is the clear winner of the contest (21 : 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 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-5 08:21 NX1

How about other alternatives? Do the specifications of the Pentax K-5 and the Samsung NX1 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 remains incomplete and does no justice, for example, to the way the K-5 or the NX1 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 where reviews by experts come in. 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Pentax K-54/5....83/1005/54.5/5 Sep 2010 US$ 1 099ebay.com
2.
 
Samsung NX15/5....87/1005/55/5 Sep 2014 US$ 1 499ebay.com
3.
 
Fujifilm X-Pro2..+..83/1004.5/54.5/5 Jan 2016 US$ 1 699ebay.com
4.
 
Leica Q Typ 1165/5....80/1004.5/54.5/5 Jun 2015 US$ 4 249ebay.com
5.
 
Olympus E-M54/5+ +..80/1004.5/55/5 Feb 2012 US$ 1 299ebay.com
6.
 
Olympus E-M5 II5/5+ +4.5/581/1005/55/5 Feb 2015 US$ 1 099ebay.com
7.
 
Panasonic GH45/5+ +..85/1005/55/5 Feb 2014 US$ 1 499ebay.com
8.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 US$ 1 299ebay.com
9.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 US$ 1 099ebay.com
10.
 
Pentax K-5 II5/5....80/1005/54.5/5 Sep 2012 US$ 1 099ebay.com
11.
 
Pentax K-304/5....78/1004.5/54.5/5 May 2012 US$ 849ebay.com
12.
 
Pentax K-505/5......5/54.5/5 Jun 2013 US$ 599ebay.com
13.
 
Pentax K-500........4.5/54.5/5 Jun 2013 US$ 549ebay.com
14.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 US$ 1 099ebay.com
15.
 
Samsung NX5004.5/5....81/1005/54.5/5 Feb 2015 US$ 799ebay.com
16.
 
Sony A75/5+ +..80/1005/55/5 Oct 2013 US$ 1 699ebay.com
17.
 
Sony A775/591/100..81/100..5/5 Aug 2011 US$ 1 399ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. 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, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Pentax K-5 vs Samsung NX1

    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-5 Samsung NX1
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Pentax K mount lenses Samsung NX mount lenses
    Launch Date September 2010 September 2014
    Launch Price USD 1,099 USD 1,499
    Sensor Specs Pentax K-5 Samsung NX1
    Sensor Technology CMOS BSI-CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.7 x 15.7 mm 23.5 x 15.7 mm
    Sensor Area 372.09 mm2 368.95 mm2
    Sensor Diagonal 28.4 mm 28.3 mm
    Crop Factor 1.5x 1.5x
    Sensor Resolution 16.1 Megapixels 28 Megapixels
    Image Resolution 4928 x 3264 pixels 6480 x 4320 pixels
    Pixel Pitch 4.81 μm 3.63 μm
    Pixel Density 4.32 MP/cm2 7.59 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/25p Video 4K/30p Video
    ISO Setting 100 - 12,800 ISO 100 - 25,600 ISO
    ISO Boost 80 - 51,200 ISO 100 - 51,200 ISO
    Image Processor PRIME II DRIMe 5
    DXO Sensor Quality (score) 82 83
    DXO Color Depth (bits) 23.7 24.2
    DXO Dynamic Range (EV) 14.1 13.2
    DXO Low Light (ISO) 1162 1363
    Screen Specs Pentax K-5 Samsung NX1
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.61x 0.69x
    Viewfinder Resolution 2360k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 921k dots 1036k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Pentax K-5 Samsung NX1
    Focus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/8000s
    Continuous Shooting 7 shutter flaps/s 15 shutter flaps/s
    Shutter Life Expectancy100 000 actuations150 000 actuations
    Electronic Shutterno E-ShutterYES
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Single card slot
    UHS card support no Single UHS-II
    Connectivity Specs Pentax K-5 Samsung NX1
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 3.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Pentax K-5 Samsung NX1
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Pentax D-LI90 Samsung BP1900
    Battery Life (CIPA)740 shots per charge500 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 131 x 97 x 73 mm
    (5.2 x 3.8 x 2.9 in)
    139 x 102 x 66 mm
    (5.5 x 4.0 x 2.6 in)
    Camera Weight 760 g (26.8 oz) 550 g (19.4 oz)
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    Check K-5 offers at
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    Check NX1 offers at
    ebay.com

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