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Fujifilm X-T50 vs Pentax K-3 III

The Fujifilm X-T50 and the Pentax K-3 III are two enthusiast cameras that were officially introduced, respectively, in May 2024 and March 2021. The X-T50 is a mirrorless interchangeable lens camera, while the K-3 III is a DSLR. Both cameras are equipped with an APS-C sensor. The Fujifilm has a resolution of 39.8 megapixels, whereas the Pentax provides 25.6 MP.

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

Headline Specifications
Fujifilm X-T50
versus
Pentax K-3 III
Fujifilm X-T50   Pentax K-3 III
Mirrorless system camera Digital single lens reflex
Fujifilm X mount lenses Pentax K mount lenses
39.8 MP – APS-C sensor 25.6 MP – APS-C sensor
6.2k/30p Video 4K/30p Video
ISO 125-12,800 (64 - 51,200) ISO 100-160,000
Electronic viewfinder (2360k dots) Optical viewfinder
3.0" LCD – 1840k dots 3.2" LCD – 1620k dots
Tilting touchscreen Fixed touchscreen
8 shutter flaps per second 12 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyWeathersealed body
305 shots per battery charge800 shots per battery charge
124 x 84 x 49 mm, 438 g 135 x 104 x 74 mm, 820 g
logo
Check X-T50 price at
amazon.com
logo
Check K-3 III price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X-T50 and the Pentax K-3 III? 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 Fujifilm X-T50 and the Pentax K-3 III is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

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

Size Fujifilm X-T50 vs Pentax K-3 III
Compare X-T50 versus K-3 III top
Comparison X-T50 or K-3 III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-3 III is notably larger (35 percent) than the Fujifilm X-T50. Moreover, the K-3 III is substantially heavier (87 percent) than the X-T50. 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-T50 gets 305 shots out of its Fujifilm NP-W126S battery, while the K-3 III can take 800 images on a single charge of its Pentax D-LI90 power pack. The power pack in the X-T50 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. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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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.
 
Fujifilm X-T50 124 mm 84 mm 49 mm 438 g 305 Y May 2024 EUR 1 499 amazon.com
2.
 
Pentax K-3 III 135 mm 104 mm 74 mm 820 g 800 Y Mar 2021 EUR 1 999 amazon.com
3.
 
Fujifilm X-H2 136 mm 93 mm 85 mm 660 g 680 Y Sep 2022 EUR 2 249 amazon.com
4.
 
Fujifilm X-Pro2 141 mm 83 mm 46 mm 495 g 350 Y Jan 2016 EUR 1 799ebay.com
5.
 
Fujifilm X-S20 128 mm 85 mm 65 mm 491 g 750 n May 2023 EUR 1 399 amazon.com
6.
 
Fujifilm X-T2 133 mm 92 mm 49 mm 507 g 340 Y Jul 2016 EUR 1 699ebay.com
7.
 
Fujifilm X-T4 135 mm 93 mm 64 mm 607 g 500 Y Feb 2020 EUR 1 799ebay.com
8.
 
Fujifilm X-T5 130 mm 91 mm 64 mm 557 g 580 Y Nov 2022 EUR 1 999 amazon.com
9.
 
Fujifilm X-T30 II 118 mm 83 mm 47 mm 383 g 380 n Sep 2021 EUR 899ebay.com
10.
 
Fujifilm X100VI 128 mm 75 mm 55 mm 521 g 450 Y Feb 2024 EUR 1 799 amazon.com
11.
 
Panasonic S5 133 mm 98 mm 82 mm 714 g 440 Y Sep 2020 EUR 1 999 amazon.com
12.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 EUR 1 299ebay.com
13.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 EUR 999ebay.com
14.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 EUR 699ebay.com
15.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 EUR 1 299ebay.com
16.
 
Sony A7C II 124 mm 71 mm 63 mm 514 g 540 Y Aug 2023 EUR 2 399 amazon.com
17.
 
Sony A6700 122 mm 69 mm 64 mm 493 g 570 Y Jul 2023 EUR 1 699 amazon.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 X-T50 was launched at a markedly lower price (by 30 percent) than the K-3 III, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units 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 associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the K-3 III is 2 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.

Fujifilm X-T50 and Pentax K-3 III sensor measures

With 39.8MP, the X-T50 offers a higher resolution than the K-3 III (25.6MP), but the X-T50 has smaller individual pixels (pixel pitch of 3.04μm versus 3.76μm for the K-3 III). However, the X-T50 is a much more recent model (by 3 years and 1 month) than the K-3 III, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Fujifilm X-T50 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the X-T50 for good quality output (200 dots per inch) amounts to 38.6 x 25.8 inches or 98.1 x 65.4 cm, for very good quality (250 dpi) 30.9 x 20.6 inches or 78.5 x 52.3 cm, and for excellent quality (300 dpi) 25.8 x 17.2 inches or 65.4 x 43.6 cm. The corresponding values for the Pentax K-3 III are 31 x 20.6 inches or 78.6 x 52.4 cm for good quality, 24.8 x 16.5 inches or 62.9 x 41.9 cm for very good quality, and 20.6 x 13.8 inches or 52.4 x 35 cm for excellent quality prints.

The X-T50 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the X-T50, the K-3 III has the capacity to capture high quality composite images (YESMP) 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 Fujifilm X-T50 has a native sensitivity range from ISO 125 to ISO 12800, which can be extended to ISO 64-51200. The corresponding ISO settings for the Pentax K-3 III are ISO 100 to ISO 160000 (no boost).

In terms of underlying technology, the X-T50 is build around a BSI-CMOS sensor, while the K-3 III uses a CMOS imager. The X-T50 uses Fujifilm's X-Trans layout of photosites, while the K-3 III employs the more common Bayer array.

X-T50 versus K-3 III 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.

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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.
 
Fujifilm X-T50 APS-C 39.8 7728 51526.2k/30p24.314.1241886
2.
 
Pentax K-3 III APS-C 25.6 6192 41284K/30p24.213.7208385
3.
 
Fujifilm X-H2 APS-C 39.8 7728 51528k/30p24.313.9224986
4.
 
Fujifilm X-Pro2 APS-C 24.0 6000 40001080/60p23.713.0160880
5.
 
Fujifilm X-S20 APS-C 26.0 6240 41604K/60p24.314.0231586
6.
 
Fujifilm X-T2 APS-C 24.0 6000 40004K/30p23.813.1165381
7.
 
Fujifilm X-T4 APS-C 26.0 6240 41604K/60p24.113.6199584
8.
 
Fujifilm X-T5 APS-C 39.8 7728 51526.2k/30p24.313.9226486
9.
 
Fujifilm X-T30 II APS-C 26.0 6240 41604K/30p24.213.8214485
10.
 
Fujifilm X100VI APS-C 39.8 7728 51526.2K/30p24.314.1239786
11.
 
Panasonic S5 Full Frame 24.0 6000 40004K/60p25.114.5269794
12.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
13.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
14.
 
Pentax K-70 APS-C 24.0 6000 40001080/60i23.813.1163980
15.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
16.
 
Sony A7C II Full Frame 32.7 7008 46724K/60p25.414.7323796
17.
 
Sony A6700 APS-C 25.6 6192 41284K/120p24.314.0232986
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. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the X-T50 provides a higher video resolution than the K-3 III. It can shoot video footage at 6.2k/30p, while the Pentax is limited to 4K/30p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the X-T50 has an electronic viewfinder (2360k dots), while the K-3 III 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 K-3 III has a higher magnification than the one of the X-T50 (0.70x vs 0.62x), 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 Fujifilm X-T50, the Pentax K-3 III, 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.
 
Fujifilm X-T502360 n3.0 / 1840 tilting Y 1/4000s 8.0/s Y Y
2.
 
Pentax K-3 IIIoptical Y3.2 / 1620 fixed Y 1/8000s 12.0/s n Y
3.
 
Fujifilm X-H25760 Y3.0 / 1620 swivel Y 1/8000s 15.0/s n Y
4.
 
Fujifilm X-Pro22360 n3.0 / 1620 fixed n 1/8000s 8.0/s n n
5.
 
Fujifilm X-S202360 n3.0 / 1840 swivel Y 1/4000s 8.0/s Y Y
6.
 
Fujifilm X-T22360 n3.0 / 1040 full-flex n 1/8000s 8.0/s n n
7.
 
Fujifilm X-T43690 n3.0 / 1620 swivel Y 1/8000s 15.0/s n Y
8.
 
Fujifilm X-T53690 n3.0 / 1840 full-flex Y 1/8000s 15.0/s n Y
9.
 
Fujifilm X-T30 II2360 n3.0 / 1620 tilting Y 1/4000s 8.0/s Y n
10.
 
Fujifilm X100VI3690 n3.0 / 1620 tilting Y 1/4000s 11.0/s n Y
11.
 
Panasonic S52360 n3.0 / 1840 swivel Y 1/8000s 7.0/s n Y
12.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
13.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
14.
 
Pentax K-70optical n3.0 / 921 swivel n 1/6000s 6.0/s Y Y
15.
 
Pentax KPoptical n3.0 / 921 tilting n 1/6000s 7.0/s Y Y
16.
 
Sony A7C II2360 n3.0 / 1037 swivel Y 1/4000s 10.0/s n Y
17.
 
Sony A67002360 n3.0 / 1037 swivel Y 1/4000s 11.0/s n 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 X-T50 has one, while the K-3 III does not. While the built-in flash of the X-T50 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 X-T50 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-T50 and the Pentax K-3 III 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-T50 and the K-3 III write their files to SDXC cards. The K-3 III features dual card slots, which can be very useful in case a memory card fails. In contrast, the X-T50 only has one slot. Both the X-T50 and the K-3 III support UHS-II cards, which provide for Ultra High Speed data transfer of up to 312 MB/s (the second slot of the K-3 III only offers slower UHS-I transfer rates, though).

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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-T50 and Pentax K-3 III 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.
 
Fujifilm X-T50Ystereo / monoY-micro3.2Y-Y
2.
 
Pentax K-3 IIIYstereo / monoYYmicro3.2Y-Y
3.
 
Fujifilm X-H2Ystereo / monoYYfull3.2Y-Y
4.
 
Fujifilm X-Pro2Ystereo / monoY-micro2.0Y--
5.
 
Fujifilm X-S20Ystereo / monoYYmicro3.2Y-Y
6.
 
Fujifilm X-T2Ystereo / monoY-micro3.0Y--
7.
 
Fujifilm X-T4Ystereo / monoY-micro3.1Y-Y
8.
 
Fujifilm X-T5Ystereo / monoY-micro3.2Y-Y
9.
 
Fujifilm X-T30 IIYstereo / monoY-micro3.2Y-Y
10.
 
Fujifilm X100VIYstereo / monoY-micro3.2Y-Y
11.
 
Panasonic S5Ystereo / monoYYmicro3.2Y-Y
12.
 
Pentax K-3Ymono / monoYYmini3.0---
13.
 
Pentax K-3 IIYmono / monoYYmini3.0---
14.
 
Pentax K-70Ystereo / monoY-mini2.0Y--
15.
 
Pentax KPYstereo / monoY--2.0Y--
16.
 
Sony A7C IIYstereo / monoYYmicro3.2Y-Y
17.
 
Sony A6700Ystereo / monoYYYES3.2YYY

It is notable that the K-3 III has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The X-T50 lacks such a headphone port.

Studio photographers will appreciate that the Pentax K-3 III (unlike the X-T50) 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-3 III has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the X-T50 and the K-3 III are recent models that are part of the current product line-up. The K-3 III replaced the earlier Pentax K-3 II, while the X-T50 followed on from the Fujifilm X-T30 II. Further information on the features and operation of the X-T50 and K-3 III can be found, respectively, in the Fujifilm X-T50 Manual (free pdf) or the online Pentax K-3 III Manual.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Fujifilm X-T50 and the Pentax K-3 III? Which camera is better? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Fujifilm X-T50:

  • More detail: Offers more megapixels (39.8 vs 25.6MP) with a 25% higher linear resolution.
  • Better video: Provides higher definition movie capture (6.2k/30p vs 4K/30p).
  • 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 (1840k vs 1620k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (124x84mm vs 135x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 382g or 47 percent) and hence easier to carry around.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced into a lower priced category (30 percent cheaper at launch).
  • More modern: Reflects 3 years and 1 month of technical progress since the K-3 III launch.

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Reasons to prefer the Pentax K-3 III:

  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.62x).
  • 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.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (12 vs 8 flaps/sec) to capture the decisive moment.
  • Longer lasting: Gets more shots (800 versus 305) out of a single battery charge.
  • 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.
  • More heavily discounted: Has been around for much longer (launched in March 2021).

If the count of relative strengths (bullet points above) is taken as a measure, the X-T50 comes out slightly ahead of the K-3 III (14 : 13 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. 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-T50 14:13 K-3 III

How about other alternatives? Do the specifications of the Fujifilm X-T50 and the Pentax K-3 III 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 says little about, for example, the shooting experience and imaging performance of the X-T50 and the K-3 III in practical situations. 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 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.
 
Fujifilm X-T50............ May 2024 EUR 1 499 amazon.com
2.
 
Pentax K-3 III4/5..3/5..4.5/5.. Mar 2021 EUR 1 999 amazon.com
3.
 
Fujifilm X-H25/5+ +5/589/1005/55/5 Sep 2022 EUR 2 249 amazon.com
4.
 
Fujifilm X-Pro2..+..83/1004.5/54.5/5 Jan 2016 EUR 1 799ebay.com
5.
 
Fujifilm X-S205/5+ +5/586/100..4.5/5 May 2023 EUR 1 399 amazon.com
6.
 
Fujifilm X-T25/5+ +..86/1004.5/55/5 Jul 2016 EUR 1 699ebay.com
7.
 
Fujifilm X-T45/5+ +5/588/1005/55/5 Feb 2020 EUR 1 799ebay.com
8.
 
Fujifilm X-T55/5+ +4.5/590/1004.5/5.. Nov 2022 EUR 1 999 amazon.com
9.
 
Fujifilm X-T30 II5/5..4/5..4.5/54.5/5 Sep 2021 EUR 899ebay.com
10.
 
Fujifilm X100VI5/5+ +4.5/587/100..4.5/5 Feb 2024 EUR 1 799 amazon.com
11.
 
Panasonic S54.5/5+ +4.5/588/1004.5/54.5/5 Sep 2020 EUR 1 999 amazon.com
12.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 EUR 1 299ebay.com
13.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 EUR 999ebay.com
14.
 
Pentax K-704.5/5..4/579/1004.5/54.5/5 Jun 2016 EUR 699ebay.com
15.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 EUR 1 299ebay.com
16.
 
Sony A7C II4/5..4/587/1004.5/54.5/5 Aug 2023 EUR 2 399 amazon.com
17.
 
Sony A67004.5/5+4.5/588/1004.5/54.5/5 Jul 2023 EUR 1 699 amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, 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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Check X-T50 price at
amazon.com
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Check K-3 III price at
amazon.com

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: Fujifilm X-T50 vs Pentax K-3 III

    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-T50 Pentax K-3 III
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Fujifilm X mount lenses Pentax K mount lenses
    Launch Date May 2024 March 2021
    Launch Price USD 1,399 USD 1,999
    Sensor Specs Fujifilm X-T50 Pentax K-3 III
    Sensor Technology BSI-CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.5 x 15.7 mm 23.3 x 15.5 mm
    Sensor Area 368.95 mm2 361.15 mm2
    Sensor Diagonal 28.3 mm 28 mm
    Crop Factor 1.5x 1.5x
    Sensor Resolution 39.8 Megapixels 25.6 Megapixels
    Image Resolution 7728 x 5152 pixels 6192 x 4128 pixels
    Pixel Pitch 3.04 μm 3.76 μm
    Pixel Density 10.79 MP/cm2 7.08 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 6.2k/30p Video 4K/30p Video
    ISO Setting 125 - 12,800 ISO 100 - 160,000 ISO
    ISO Boost 64 - 51,200 ISO no Enhancement
    Image Processor X-Processor 5 PRIME V
    Screen Specs Fujifilm X-T50 Pentax K-3 III
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.62x 0.70x
    Viewfinder Resolution 2360k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 1840k dots 1620k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Fujifilm X-T50 Pentax K-3 III
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 8 shutter flaps/s 12 shutter flaps/s
    Electronic Shutterup to 1/180000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support UHS-II Single UHS-II
    Connectivity Specs Fujifilm X-T50 Pentax K-3 III
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 3.2 USB 3.2
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Geotagging no internal GPS GPS built-in
    Body Specs Fujifilm X-T50 Pentax K-3 III
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Fujifilm NP-W126S Pentax D-LI90
    Battery Life (CIPA)305 shots per charge800 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 124 x 84 x 49 mm
    (4.9 x 3.3 x 1.9 in)
    135 x 104 x 74 mm
    (5.3 x 4.1 x 2.9 in)
    Camera Weight 438 g (15.5 oz) 820 g (28.9 oz)
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