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Fujifilm X-Pro3 vs Pentax K-5 II

The Fujifilm X-Pro3 and the Pentax K-5 II are two enthusiast cameras that were announced, respectively, in October 2019 and September 2012. The X-Pro3 is a mirrorless interchangeable lens camera, while the K-5 II is a DSLR. Both cameras are equipped with an APS-C sensor. The Fujifilm has a resolution of 26 megapixels, whereas the Pentax provides 16.1 MP.

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

Headline Specifications
Fujifilm X-Pro3
versus
Pentax K-5 II
Fujifilm X-Pro3 Pentax K-5 II
Mirrorless system camera Digital single lens reflex
Fujifilm X mount lenses Pentax K mount lenses
26 MP, APS-C Sensor 16.1 MP, APS-C Sensor
4K/30p Video 1080/25p Video
ISO 160-12,800 (80 - 51,200) ISO 100-12,800 (80 - 51,200)
Electronic viewfinder (3690k dots) Optical viewfinder
3.0 LCD, 1620k dots 3.0 LCD, 921k dots
Tilting touchscreen Fixed screen (not touch-sensitive)
8 shutter flaps per second 7 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
440 shots per battery charge740 shots per battery charge
141 x 83 x 46 mm, 497 g 131 x 97 x 73 mm, 760 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X-Pro3 and the Pentax K-5 II? 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 Fujifilm X-Pro3 and the Pentax K-5 II. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

The X-Pro3 can be obtained in two different colors (black, silver), while the K-5 II is only available in black.

Size Fujifilm X-Pro3 vs Pentax K-5 II
Compare X-Pro3 versus K-5 II top
Comparison X-Pro3 or K-5 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-5 II is notably larger (9 percent) than the Fujifilm X-Pro3. Moreover, the K-5 II is substantially heavier (53 percent) than the X-Pro3. 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 X-Pro3 gets 440 shots out of its NP-W126S battery, while the K-5 II can take 740 images on a single charge of its D-LI90 power pack. The power pack in the X-Pro3 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 want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Fujifilm X-Pro3 141 mm 83 mm 46 mm 497 g 440 Y Oct 2019 1,799 i
2.
 
Pentax K-5 II 131 mm 97 mm 73 mm 760 g 740 Y Sep 2012 1,099 i
3.
 
Fujifilm X100V 128 mm 75 mm 53 mm 478 g 420 Y Feb 2020 1,399 i
4.
 
Fujifilm X-T4 135 mm 93 mm 64 mm 607 g 500 Y Feb 2020 1,699 i
5.
 
Fujifilm X-A5 117 mm 68 mm 40 mm 361 g 450 n Jan 2018 399 i
6.
 
Fujifilm X-T3 133 mm 93 mm 59 mm 539 g 390 Y Sep 2018 1,499 i
7.
 
Fujifilm X-H1 140 mm 97 mm 86 mm 673 g 310 Y Feb 2018 1,899 i
8.
 
Fujifilm X-T100 121 mm 83 mm 47 mm 448 g 430 n May 2018 599 i
9.
 
Fujifilm X-Pro2 141 mm 83 mm 46 mm 495 g 350 Y Jan 2016 1,699 i
10.
 
Fujifilm X-T2 133 mm 92 mm 49 mm 507 g 340 Y Jul 2016 1,599 i
11.
 
Fujifilm X-T1 129 mm 90 mm 47 mm 440 g 350 Y Jan 2014 1,299 i
12.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 1,099 i
13.
 
Pentax K-50 130 mm 97 mm 71 mm 650 g 410 Y Jun 2013 599 i
14.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299 i
15.
 
Pentax K-30 130 mm 97 mm 71 mm 650 g 410 Y May 2012 849 i
16.
 
Pentax K-5 131 mm 97 mm 73 mm 760 g 740 Y Sep 2010 1,099 i
17.
 
Samsung NX1 139 mm 102 mm 66 mm 550 g 500 Y Sep 2014 1,499 i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. 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 II was launched at a markedly lower price (by 39 percent) than the X-Pro3, 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.

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Sensor comparison

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the K-5 II is 1 percent bigger. 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.

Fujifilm X-Pro3 and Pentax K-5 II sensor measures

Despite having a slightly smaller sensor, the Fujifilm X-Pro3 offers a higher resolution of 26 megapixels, compared with 16.1 MP of the Pentax K-5 II. 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 3.76μm versus 4.81μm for the K-5 II). However, it should be noted that the X-Pro3 is much more recent (by 7 years and 1 month) than the K-5 II, 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 X-Pro3 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Fujifilm X-Pro3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the X-Pro3 for good quality output (200 dots per inch) amounts to 31.2 x 20.8 inches or 79.2 x 52.8 cm, for very good quality (250 dpi) 25 x 16.6 inches or 63.4 x 42.3 cm, and for excellent quality (300 dpi) 20.8 x 13.9 inches or 52.8 x 35.2 cm. The corresponding values for the Pentax K-5 II 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 X-Pro3 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Fujifilm X-Pro3 has a native sensitivity range from ISO 160 to ISO 12800, which can be extended to ISO 80-51200. The corresponding ISO settings for the Pentax K-5 II are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 80-51200.

X-Pro3 versus K-5 II MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Fujifilm X-Pro3 APS-C 26.0 6240 41604K/30p...... ..
2.
 
Pentax K-5 II APS-C 16.1 4928 32641080/25p23.814.11235 82
3.
 
Fujifilm X100V APS-C 26.0 6240 41604K/30p...... ..
4.
 
Fujifilm X-T4 APS-C 26.0 6240 41604K/60p...... ..
5.
 
Fujifilm X-A5 APS-C 24.0 6000 40004K/15p...... ..
6.
 
Fujifilm X-T3 APS-C 26.0 6240 41604K/60p...... ..
7.
 
Fujifilm X-H1 APS-C 24.0 6000 40004K/30p...... ..
8.
 
Fujifilm X-T100 APS-C 24.0 6000 40004K/15p...... ..
9.
 
Fujifilm X-Pro2 APS-C 24.0 6000 40001080/60p...... ..
10.
 
Fujifilm X-T2 APS-C 24.0 6000 40004K/30p...... ..
11.
 
Fujifilm X-T1 APS-C 16.0 4896 32641080/60p...... ..
12.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.61106 80
13.
 
Pentax K-50 APS-C 16.1 4928 32641080/30p23.713.01120 79
14.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.41216 80
15.
 
Pentax K-30 APS-C 16.1 4928 32641080/30p23.713.01129 79
16.
 
Pentax K-5 APS-C 16.1 4928 32641080/25p23.714.11162 82
17.
 
Samsung NX1 APS-C 28.0 6480 43204K/30p24.213.21363 83

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, but the X-Pro3 provides a higher video resolution than the K-5 II. It can shoot video 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 X-Pro3 has an electronic viewfinder (3690k dots), while the K-5 II 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 viewfinder in the K-5 II offers a wider field of view (100%) than the one in the X-Pro3 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the K-5 II has a higher magnification (0.61x vs 0.52x), 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 Fujifilm X-Pro3 and Pentax K-5 II along with similar information for a selection of comparators.

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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
1.
 
Fujifilm X-Pro33690 n 3.0 1620 tilting Y 1/8000s 8.0 n n
2.
 
Pentax K-5 IIoptical Y 3.0 921 fixed n 1/8000s 7.0 Y Y
3.
 
Fujifilm X100V3690 n 3.0 1620 tilting Y 1/4000s 11.0 Y n
4.
 
Fujifilm X-T43690 n 3.0 1620 swivel Y 1/8000s 15.0 n Y
5.
 
Fujifilm X-A5none n 3.0 1040 tilting Y 1/4000s 6.0 Y n
6.
 
Fujifilm X-T33690 n 3.0 1040 tilting Y 1/8000s 11.0 n n
7.
 
Fujifilm X-H13690 Y 3.0 1040 full-flex Y 1/8000s 14.0 n Y
8.
 
Fujifilm X-T1002360 n 3.0 1040 full-flex Y 1/4000s 6.0 Y n
9.
 
Fujifilm X-Pro22360 n 3.0 1620 fixed n 1/8000s 8.0 n n
10.
 
Fujifilm X-T22360 n 3.0 1040 tilting n 1/8000s 8.0 n n
11.
 
Fujifilm X-T12360 n 3.0 1040 tilting n 1/4000s 8.0 n n
12.
 
Pentax K-3 IIoptical Y 3.2 1037 fixed n 1/8000s 8.3 n Y
13.
 
Pentax K-50optical n 3.0 921 fixed n 1/6000s 6.0 Y Y
14.
 
Pentax K-3optical Y 3.2 1037 fixed n 1/8000s 8.3 Y Y
15.
 
Pentax K-30optical n 3.0 921 fixed n 1/6000s 6.0 Y Y
16.
 
Pentax K-5optical Y 3.0 921 fixed n 1/8000s 7.0 Y Y
17.
 
Samsung NX12360 Y 3.0 1036 tilting Y 1/8000s 15.0 Y n

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The X-Pro3 has a touchscreen, while the K-5 II has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

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 X-Pro3 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 Fujifilm X-Pro3 and the Pentax K-5 II 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 X-Pro3 and the K-5 II write their files to SDXC cards. The X-Pro3 features dual card slots, which can be very useful in case a memory card fails. In contrast, the K-5 II only has one slot. The X-Pro3 supports UHS-II cards (on both slots), while the K-5 II 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 Fujifilm X-Pro3 and Pentax K-5 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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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
1.
 
Fujifilm X-Pro3YstereomonoY--3.1Y-Y
2.
 
Pentax K-5 IIYstereomonoY-mini2.0---
3.
 
Fujifilm X100VYstereomonoY-micro3.1Y-Y
4.
 
Fujifilm X-T4YstereomonoY-micro3.1Y-Y
5.
 
Fujifilm X-A5YstereomonoY-mini2.0Y-Y
6.
 
Fujifilm X-T3YstereomonoYYmicro3.1Y-Y
7.
 
Fujifilm X-H1YstereomonoY-micro3.0Y--
8.
 
Fujifilm X-T100YstereomonoY-micro2.0Y-Y
9.
 
Fujifilm X-Pro2YstereomonoY-micro2.0Y--
10.
 
Fujifilm X-T2YstereomonoY-micro3.0Y--
11.
 
Fujifilm X-T1YstereomonoY-mini2.0Y--
12.
 
Pentax K-3 IIYmonomonoYYmini3.0---
13.
 
Pentax K-50Ymonomono--micro2.0---
14.
 
Pentax K-3YmonomonoYYmini3.0---
15.
 
Pentax K-30Ymonomono---2.0---
16.
 
Pentax K-5YstereomonoY-mini2.0---
17.
 
Samsung NX1YstereomonoYYmicro3.0YYY

It is notable that the X-Pro3 offers wifi support, while the K-5 II does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Both cameras feature a PC Sync terminal to control professional strobe lights, which will be appreciated by studio photographers.

The X-Pro3 is a recent model that features in the current product line-up of Fujifilm. In contrast, the K-5 II has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the K-5 II was succeeded by the Pentax K-3. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Fujifilm and Pentax websites.

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Review summary

So how do things add up? Which of the two cameras – the Fujifilm X-Pro3 or the Pentax K-5 II – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Fujifilm X-Pro3:

  • More detail: Offers more megapixels (26 vs 16.1MP) with a 27% higher linear resolution.
  • 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.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More detailed LCD: Has a higher resolution rear screen (1620k vs 921k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster burst: Shoots at higher frequency (8 vs 7 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Less heavy: Is lighter (by 263g or 35 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.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II) SDXC cards on both slots.
  • More modern: Reflects 7 years and 1 month of technical progress since the K-5 II launch.

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Advantages of the Pentax K-5 II:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.61x vs 0.52x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Longer lasting: Gets more shots (740 versus 440) out of a single battery charge.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced into a lower priced category (39 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in September 2012).

If the count of individual advantages (bullet points above) is taken as a guide, the X-Pro3 is the clear winner of the match-up (19 : 10 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional 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.

X-Pro3 19:10 K-5 II

How about other alternatives? Do the specifications of the Fujifilm X-Pro3 and the Pentax K-5 II 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 partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the X-Pro3 or the K-5 II. 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 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], 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Fujifilm X-Pro34/5+85/1004/5.. Oct 2019 1,799 i
2.
 
Pentax K-5 II5/5..80/1005/54.5/5 Sep 2012 1,099 i
3.
 
Fujifilm X100V5/5+ +86/1005/54.5/5 Feb 2020 1,399 i
4.
 
Fujifilm X-T45/5+ +..5/55/5 Feb 2020 1,699 i
5.
 
Fujifilm X-A5..+..4/53.5/5 Jan 2018 399 i
6.
 
Fujifilm X-T35/5+ +88/1005/55/5 Sep 2018 1,499 i
7.
 
Fujifilm X-H1..+86/1004.5/54.5/5 Feb 2018 1,899 i
8.
 
Fujifilm X-T1004/5+79/1004/54.5/5 May 2018 599 i
9.
 
Fujifilm X-Pro2..+83/1004.5/54.5/5 Jan 2016 1,699 i
10.
 
Fujifilm X-T25/5+ +86/1004.5/55/5 Jul 2016 1,599 i
11.
 
Fujifilm X-T15/5+ +84/1005/55/5 Jan 2014 1,299 i
12.
 
Pentax K-3 II4.5/5....5/55/5 Apr 2015 1,099 i
13.
 
Pentax K-505/5....5/54.5/5 Jun 2013 599 i
14.
 
Pentax K-34/5..83/1005/55/5 Oct 2013 1,299 i
15.
 
Pentax K-304/5..78/1004.5/54.5/5 May 2012 849 i
16.
 
Pentax K-54/5..83/1005/54.5/5 Sep 2010 1,099 i
17.
 
Samsung NX15/5..87/1005/55/5 Sep 2014 1,499 i
Notes: (+ +) 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. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Fujifilm X-Pro3:
Check Amazon price
Pentax K-5 II:
Check Ebay offers

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. 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: Fujifilm X-Pro3 vs Pentax K-5 II

    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 Fujifilm X-Pro3 Pentax K-5 II
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Fujifilm X mount lenses Pentax K mount lenses
    Launch Date October 2019 September 2012
    Launch Price USD 1,799 USD 1,099
    Sensor Specs Fujifilm X-Pro3 Pentax K-5 II
    Sensor Technology BSI-CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.6 x 15.6 mm 23.7 x 15.7 mm
    Sensor Area 368.16 mm2 372.09 mm2
    Sensor Diagonal 28.3 mm 28.4 mm
    Crop Factor 1.5x 1.5x
    Sensor Resolution 26 Megapixels 16.1 Megapixels
    Image Resolution 6240 x 4160 pixels 4928 x 3264 pixels
    Pixel Pitch 3.76 μm 4.81 μm
    Pixel Density 7.05 MP/cm2 4.32 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/25p Video
    ISO Setting 160 - 12,800 ISO 100 - 12,800 ISO
    ISO Boost 80 - 51,200 ISO 80 - 51,200 ISO
    Image Processor X-Processor 4 PRIME II
    DXO Sensor Quality (score) .. 82
    DXO Color Depth (bits) .. 23.8
    DXO Dynamic Range (EV) .. 14.1
    DXO Low Light (ISO) .. 1235
    Screen Specs Fujifilm X-Pro3 Pentax K-5 II
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.52x 0.61x
    Viewfinder Resolution 3690k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1620k dots 921k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Fujifilm X-Pro3 Pentax K-5 II
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 8 shutter flaps/s 7 shutter flaps/s
    Electronic Shutterup to 1/32000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support Dual UHS-II no
    Connectivity Specs Fujifilm X-Pro3 Pentax K-5 II
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket PC Sync socket
    USB Connector USB 3.1 USB 2.0
    HDMI Port no HDMI mini HDMI
    Microphone Port External MIC port External MIC port
    Wifi Support Wifi built-in no Wifi
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Fujifilm X-Pro3 Pentax K-5 II
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type NP-W126S D-LI90
    Battery Life (CIPA)440 shots per charge740 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 141 x 83 x 46 mm
    (5.6 x 3.3 x 1.8 in)
    131 x 97 x 73 mm
    (5.2 x 3.8 x 2.9 in)
    Camera Weight 497 g (17.5 oz) 760 g (26.8 oz)

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