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Pentax K-1 II vs Sony NEX-5R

The Pentax K-1 II and the Sony Alpha NEX-5R are two digital cameras that were revealed to the public, respectively, in February 2018 and August 2012. The K-1 II is a DSLR, while the NEX-5R is a mirrorless interchangeable lens camera. The cameras are based on a full frame (K-1 II) and an APS-C (NEX-5R) sensor. The Pentax has a resolution of 36.2 megapixels, whereas the Sony provides 16 MP.

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

Headline Specifications
Pentax K-1 II VS Sony NEX-5R
Pentax K-1 II Sony NEX-5R
Digital single lens reflex Mirrorless system camera
Pentax K mount lenses Sony E mount lenses
36.2 MP, Full Frame Sensor 16 MP, APS-C Sensor
1080/60i Video 1080/60i Video
ISO 100-819200 ISO 100-25600
Optical viewfinder Viewfinder optional
3.2" LCD, 1037k dots 3.0" LCD, 920k dots
Fully flexible screen (no touchscreen) Tilting touchscreen
4.4 shutter flaps per second 10 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodyNot weather sealed
670 shots per battery charge330 shots per battery charge
137 x 110 x 86 mm, 1010 g 111 x 59 x 39 mm, 276 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax K-1 II and the Sony Alpha NEX-5R? 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.

Body comparison

The side-by-side display below illustrates the physical size and weight of the Pentax K-1 II and the Sony NEX-5R. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

Both cameras are available in two different colors (black, silver).

Size Pentax K-1 II vs Sony NEX-5R
Compare K-1 II versus NEX-5R top
Comparison K-1 II or NEX-5R rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony NEX-5R is considerably smaller (57 percent) than the Pentax K-1 II. Moreover, the NEX-5R is substantially lighter (73 percent) than the K-1 II. It is worth mentioning in this context that the K-1 II is splash and dust resistant, while the NEX-5R does not feature any corresponding weather-sealing.

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 II gets 670 shots out of its D-LI90 battery, while the NEX-5R can take 330 images on a single charge of its NP-FW50 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Pentax K-1 II» 5.4 in 4.3 in 3.4 in 35.6 oz 670 Y Feb 2018 1,999 iPentax K-1 II
 
Sony NEX-5R« 4.4 in 2.3 in 1.5 in 9.7 oz 330 n Aug 2012 749iSony NEX-5R
 
Canon R« » 5.5 in 3.9 in 3.3 in 23.3 oz 370 Y Sep 2018 2,299 iCanon R
 
Nikon Z6« » 5.3 in 4.0 in 2.6 in 23.8 oz 310 Y Aug 2018 1,999 iNikon Z6
 
Panasonic S1« » 5.9 in 4.3 in 3.8 in 35.9 oz 400 Y Feb 2019 2,499 iPanasonic S1
 
Panasonic S1R« » 5.9 in 4.3 in 3.8 in 35.8 oz 380 Y Feb 2019 3,699 iPanasonic S1R
 
Panasonic S1H« » 5.9 in 4.5 in 4.3 in 37.1 oz 400 Y May 2019 3,999 iPanasonic S1H
 
Pentax K-1« » 5.4 in 4.3 in 3.4 in 35.6 oz 760 Y Feb 2016 1,799iPentax K-1
 
Ricoh GR« » 4.6 in 2.4 in 1.4 in 8.6 oz 290 n Apr 2013 799iRicoh GR
 
Sony A7 III« » 5.0 in 3.8 in 2.9 in 22.9 oz 610 Y Feb 2018 1,999 iSony A7 III
 
Sony A7R III« » 5.0 in 3.8 in 2.9 in 22.9 oz 650 Y Oct 2017 3,199iSony A7R III
 
Sony A99 II« » 5.6 in 4.1 in 3.0 in 29.9 oz 490 Y Sep 2016 3,199 iSony A99 II
 
Sony NEX-3N« » 4.3 in 2.4 in 1.4 in 9.5 oz 480 n Feb 2013 499iSony NEX-3N
 
Sony NEX-5T« » 4.4 in 2.3 in 1.5 in 97.9 oz 330 n Aug 2013 699iSony NEX-5T
 
Sony NEX-5N« » 4.4 in 2.3 in 1.5 in 9.5 oz 460 n Aug 2011 699iSony NEX-5N
 
Sony NEX-3« » 4.6 in 2.4 in 1.3 in 10.5 oz 330 n May 2010 599iSony NEX-3
 
Sony A850« » 6.1 in 4.6 in 3.2 in 31.6 oz 880 Y Aug 2009 1,999iSony A850
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. 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 NEX-5R was launched at a markedly lower price (by 63 percent) than the K-1 II, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Pentax K-1 II features a full frame sensor and the Sony NEX-5R an APS-C sensor. The sensor area in the NEX-5R is 58 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.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.

Pentax K-1 II and Sony NEX-5R sensor measures

With 36.2MP, the K-1 II offers a higher resolution than the NEX-5R (16MP), but the K-1 II nevertheless has marginally larger individual pixels (pixel pitch of 4.88μm versus 4.78μm for the NEX-5R) due to its larger sensor. Moreover, the K-1 II is a much more recent model (by 5 years and 5 months) than the NEX-5R, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the K-1 II has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Pentax K-1 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-1 II for good quality output (200 dots per inch) amounts to 36.8 x 24.6 inch or 93.5 x 62.4 cm, for very good quality (250 dpi) 29.4 x 19.6 inch or 74.8 x 49.9 cm, and for excellent quality (300 dpi) 24.5 x 16.4 inch or 62.3 x 41.6 cm. The corresponding values for the Sony NEX-5R are 24.6 x 16.3 inch or 62.4 x 41.5 cm for good quality, 19.6 x 13.1 inch or 49.9 x 33.2 cm for very good quality, and 16.4 x 10.9 inch or 41.6 x 27.6 cm for excellent quality prints.

Unlike the NEX-5R, the K-1 II has the capacity to capture high quality composite images by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Pentax K-1 II has a native sensitivity range from ISO 100 to ISO 819200. The corresponding ISO settings for the Sony Alpha NEX-5R are ISO 100 to ISO 25600 (no boost).

K-1 II versus NEX-5R 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 adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Pentax K-1 II Full Frame 36.2 7360 49121080/60i........Pentax K-1 II
 
Sony NEX-5R APS-C 16.0 4912 32641080/60i23.713.191078Sony NEX-5R
 
Canon R Full Frame 30.1 6720 44804K/30p24.513.5274289Canon R
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995Nikon Z6
 
Panasonic S1 Full Frame 24.0 6000 40004K/60p25.214.5333395Panasonic S1
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100Panasonic S1R
 
Panasonic S1H Full Frame 24.0 6000 40006K/30p........Panasonic S1H
 
Pentax K-1 Full Frame 36.2 7360 49121080/60i25.414.6328096Pentax K-1
 
Ricoh GR APS-C 16.1 4928 32641080/30p23.613.597278Ricoh GR
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096Sony A7 III
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100Sony A7R III
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792Sony A99 II
 
Sony NEX-3N APS-C 16.0 4912 32641080/60i22.812.5106774Sony NEX-3N
 
Sony NEX-5T APS-C 16.0 4912 32641080/60p23.613.0101578Sony NEX-5T
 
Sony NEX-5N APS-C 16.0 4912 32641080/60i23.612.7107977Sony NEX-5N
 
Sony NEX-3 APS-C 14.0 4592 3056720/30p22.112.083068Sony NEX-3
 
Sony A850 Full Frame 24.4 6048 4032none23.812.2141579Sony A850

Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (1080/60i).

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the K-1 II has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the NEX-5R relies on live view and the rear LCD for framing. That said, the NEX-5R can be equipped with an optional viewfinder – the FDA-EV1S. The table below summarizes some of the other core capabilities of the Pentax K-1 II and Sony NEX-5R in connection with corresponding information for a sample of similar cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Pentax K-1 IIoptical Y 3.2 1037 full-flex n 1/8000s 4.4 n Y Pentax K-1 II
 
Sony NEX-5Roptional n 3.0 920 tilting Y 1/4000s 10.0 n n Sony NEX-5R
 
Canon R3690 Y 3.2 2100 swivel Y 1/8000s 8.0 n n Canon R
 
Nikon Z63690 Y 3.2 2100 tilting Y 1/8000s 12.0 n Y Nikon Z6
 
Panasonic S15760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y Panasonic S1
 
Panasonic S1R5760 Y 3.2 2100 full-flex Y 1/8000s 9.0 n Y Panasonic S1R
 
Panasonic S1H5760 Y 3.2 2330 swivel Y 1/8000s 9.0 n Y Panasonic S1H
 
Pentax K-1optical Y 3.2 1037 full-flex n 1/8000s 4.4 n Y Pentax K-1
 
Ricoh GRoptional n 3.0 1230 fixed n 1/4000s 4.0 Y n Ricoh GR
 
Sony A7 III2359 n 3.0 922 tilting Y 1/8000s 10.0 n Y Sony A7 III
 
Sony A7R III3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y Sony A7R III
 
Sony A99 II2400 Y 3.0 1229 full-flex n 1/8000s 12.0 n Y Sony A99 II
 
Sony NEX-3Noptional n 3.0 460 tilting n 1/4000s 4.0 Y n Sony NEX-3N
 
Sony NEX-5Toptional n 3.0 922 tilting Y 1/4000s 10.0 n n Sony NEX-5T
 
Sony NEX-5Noptional n 3.0 920 tilting Y 1/4000s 10.0 n n Sony NEX-5N
 
Sony NEX-3optional n 3.0 920 tilting n 1/4000s 7.0 n n Sony NEX-3
 
Sony A850optical Y 3.0 922 fixed n 1/8000s 3.0 n Y Sony A850

One feature that is present on the K-1 II, but is missing on the NEX-5R 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 NEX-5R has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the K-1 II does not have a selfie-screen.

The Pentax K-1 II 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 II writes its imaging data to SDXC cards, while the NEX-5R uses SDXC or Memory Stick PRO Duo cards. The K-1 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the NEX-5R only has one slot. The K-1 II supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the NEX-5R cannot take advantage of Ultra High Speed SD cards.

 

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 II and Sony Alpha NEX-5R and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Pentax K-1 IIYstereomonoYYmicro2.0Y--Pentax K-1 II
 
Sony NEX-5RYstereomono--mini2.0Y--Sony NEX-5R
 
Canon RYstereomonoYYmini3.1Y-YCanon R
 
Nikon Z6YstereomonoYYmicro3.1Y-YNikon Z6
 
Panasonic S1YstereomonoYYfull3.1Y-YPanasonic S1
 
Panasonic S1RYstereomonoYYfull3.1Y-YPanasonic S1R
 
Panasonic S1HYstereomonoYYfull3.1Y-YPanasonic S1H
 
Pentax K-1YstereomonoYYmicro2.0Y--Pentax K-1
 
Ricoh GRYmonomono--micro2.0---Ricoh GR
 
Sony A7 IIIYstereomonoYYmicro3.1YYYSony A7 III
 
Sony A7R IIIYstereomonoYYmicro3.1YYYSony A7R III
 
Sony A99 IIYstereomonoYYmicro2.0YYYSony A99 II
 
Sony NEX-3N-stereomono--micro2.0---Sony NEX-3N
 
Sony NEX-5TYstereomono--mini2.0YY-Sony NEX-5T
 
Sony NEX-5NYstereomono--mini2.0---Sony NEX-5N
 
Sony NEX-3Ystereomono--mini2.0---Sony NEX-3
 
Sony A850Ynonenone--mini2.0---Sony A850

It is notable that the K-1 II has a microphone port, which is missing on the NEX-5R. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Studio photographers will appreciate that the Pentax K-1 II (unlike the NEX-5R) 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 II has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The K-1 II is a recent model that features in the current product line-up of Pentax. In contrast, the NEX-5R has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the NEX-5R was succeeded by the Sony NEX-5T. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Pentax and Sony websites.

Review summary

So what conclusions can be drawn? Which of the two cameras – the Pentax K-1 II or the Sony NEX-5R – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Pentax K-1 II:

  • More detail: Offers more megapixels (36.2 vs 16MP) with a 50% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Features a larger and more technologically advanced imaging 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 sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • 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 detailed LCD: Has a higher resolution rear screen (1037k vs 920k dots).
  • More flexible LCD: Has a full-flex screen for odd-angle shots in portrait or landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (670 versus 330) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • 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.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 5 years and 5 months of technical progress since the NEX-5R launch.

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Reasons to prefer the Sony Alpha NEX-5R:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (10 vs 4.4 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (111x59mm vs 137x110mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 734g or 73 percent) and is thus easier to take along.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • More affordable: Was introduced into a lower priced category (63 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in August 2012).

If the count of relative strengths (bullet points above) is taken as a measure, the K-1 II is the clear winner of the match-up (24 : 9 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional 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.

K-1 II 24:09 NEX-5R

How about other alternatives? Do the specifications of the Pentax K-1 II and the Sony NEX-5R 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 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 K-1 II or the NEX-5R 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 table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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.

Review Scores
  Camera
Model
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Pentax K-1 II..79/1004.5/54.5/54.5/5 Feb 2018 1,999 iPentax K-1 II
 
Sony NEX-5R....4.5/5..4.5/5 Aug 2012 749iSony NEX-5R
 
Canon Ro79/1004.5/54/54/5 Sep 2018 2,299 iCanon R
 
Nikon Z6....4.5/54.5/55/5 Aug 2018 1,999 iNikon Z6
 
Panasonic S1+ +88/1004.5/5..4/5 Feb 2019 2,499 iPanasonic S1
 
Panasonic S1R..89/1004.5/55/54.5/5 Feb 2019 3,699 iPanasonic S1R
 
Panasonic S1H..90/100...... May 2019 3,999 iPanasonic S1H
 
Pentax K-1..84/1005/54.5/55/5 Feb 2016 1,799iPentax K-1
 
Ricoh GR..79/1004.5/54.5/54.5/5 Apr 2013 799iRicoh GR
 
Sony A7 III+ +89/1005/55/55/5 Feb 2018 1,999 iSony A7 III
 
Sony A7R III+ +90/1004.5/55/55/5 Oct 2017 3,199iSony A7R III
 
Sony A99 II..85/1004.5/54.5/54.5/5 Sep 2016 3,199 iSony A99 II
 
Sony NEX-3N....4.5/54/54.5/5 Feb 2013 499iSony NEX-3N
 
Sony NEX-5T....4.5/5..4.5/5 Aug 2013 699iSony NEX-5T
 
Sony NEX-5N+ +79/1004.5/55/54.5/5 Aug 2011 699iSony NEX-5N
 
Sony NEX-3..70/1004.5/55/54/5 May 2010 599iSony NEX-3
 
Sony A850..75/100..4/54.5/5 Aug 2009 1,999iSony A850
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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.

Pentax K-1 II:
Check Amazon price
Sony NEX-5R:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just use the search menu below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Pentax K-1 II vs Sony NEX-5R

    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 II Sony NEX-5R
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Pentax K mount lenses Sony E mount lenses
    Launch Date February 2018 August 2012
    Launch Price USD 1999 USD 749
    Sensor Specs Pentax K-1 II Sony NEX-5R
    Sensor Technology CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 35.9 x 24.0 mm 23.4 x 15.6 mm
    Sensor Area 861.6 mm2 365.04 mm2
    Sensor Diagonal 43.2 mm 28.1 mm
    Crop Factor 1.0x 1.5x
    Sensor Resolution 36.2 Megapixels 16 Megapixels
    Image Resolution 7360 x 4912 pixels 4912 x 3264 pixels
    Pixel Pitch 4.88 μm 4.78 μm
    Pixel Density 4.20 MP/cm2 4.39 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/60i Video 1080/60i Video
    ISO Setting 100-819200 ISO 100-25600 ISO
    Image Processor PRIME IV BIONZ
    DXO Sensor Quality (score) .. 78
    DXO Color Depth (bits) .. 23.7
    DXO Dynamic Range (EV) .. 13.1
    DXO Low Light (ISO) .. 910
    Screen Specs Pentax K-1 II Sony NEX-5R
    Viewfinder Type Optical viewfinder Viewfinder optional
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.70x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2 inch 3.0 inch
    LCD Resolution 1037k dots 920k dots
    LCD Attachment Fully flexible screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Pentax K-1 II Sony NEX-5R
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingNo Peaking Feature
    Continuous Shooting 4.4 shutter flaps/s 10 shutter flaps/s
    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
    Second Storage Option Dual card slots Single card slot
    UHS card support UHS-I no
    Connectivity Specs Pentax K-1 II Sony NEX-5R
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Geotagging GPS built-in no internal GPS
    Body Specs Pentax K-1 II Sony NEX-5R
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type D-LI90 NP-FW50
    Battery Life (CIPA)670 shots per charge330 shots per charge
    Body Dimensions 137 x 110 x 86 mm
    (5.4 x 4.3 x 3.4 in)
    111 x 59 x 39 mm
    (4.4 x 2.3 x 1.5 in)
    Camera Weight 1010 g (35.6 oz) 276 g (9.7 oz)

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