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Fujifilm X-T3 vs Pentax K-S2

The Fujifilm X-T3 and the Pentax K-S2 are two digital cameras that were revealed to the public, respectively, in September 2018 and February 2015. The X-T3 is a mirrorless interchangeable lens camera, while the K-S2 is a DSLR. Both cameras are equipped with an APS-C sensor. The Fujifilm has a resolution of 26 megapixels, whereas the Pentax provides 20 MP.

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

Headline Specifications
Fujifilm X-T3 versus Pentax K-S2
Fujifilm X-T3 Pentax K-S2
Mirrorless system camera Digital single lens reflex
Fujifilm X mount lenses Pentax K mount lenses
26 MP, APS-C Sensor 20 MP, APS-C Sensor
4K/60p Video 1080/30p Video
ISO 160-12,800 (80 - 51,200) ISO 100-51,200
Electronic viewfinder (3690k dots) Optical viewfinder
3.0 LCD, 1040k dots 3.0 LCD, 921k dots
Tilting touchscreen Swivel screen (not touch-sensitive)
11 shutter flaps per second 5.4 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodyWeathersealed body
390 shots per battery charge410 shots per battery charge
133 x 93 x 59 mm, 539 g 123 x 91 x 73 mm, 678 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X-T3 and the Pentax K-S2? 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-T3 and the Pentax K-S2. 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 measures are rounded to the nearest millimeter.

The X-T3 can be obtained in two different colors (black, silver), while the K-S2 is available in six color-versions (black, grey, pink, orange, green, white).

Size Fujifilm X-T3 vs Pentax K-S2
Compare X-T3 versus K-S2 top
Comparison X-T3 or K-S2 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-S2 is notably smaller (10 percent) than the Fujifilm X-T3. However, the K-S2 is markedly heavier (26 percent) than the X-T3. 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-T3 gets 390 shots out of its NP-W126S battery, while the K-S2 can take 410 images on a single charge of its D-LI109 power pack. The power pack in the X-T3 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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-T3 133 mm 93 mm 59 mm 539 g 390 Y Sep 2018 1,499i
2.
 
Pentax K-S2 123 mm 91 mm 73 mm 678 g 410 Y Feb 2015 749 i
3.
 
Canon G1 X Mark III 115 mm 78 mm 51 mm 399 g 200 Y Oct 2017 1,299 i
4.
 
Fujifilm X100V 128 mm 75 mm 53 mm 478 g 420 Y Feb 2020 1,399 i
5.
 
Fujifilm X-T4 135 mm 93 mm 64 mm 607 g 500 Y Feb 2020 1,699 i
6.
 
Fujifilm X-Pro3 141 mm 83 mm 46 mm 497 g 440 Y Oct 2019 1,799 i
7.
 
Fujifilm X-T100 121 mm 83 mm 47 mm 448 g 430 n May 2018 599i
8.
 
Fujifilm X100F 127 mm 75 mm 52 mm 469 g 390 n Jan 2017 1,299i
9.
 
Fujifilm X-T20 118 mm 83 mm 41 mm 383 g 350 n Jan 2017 899i
10.
 
Fujifilm X-Pro2 141 mm 83 mm 46 mm 495 g 350 Y Jan 2016 1,699 i
11.
 
Fujifilm X-T2 133 mm 92 mm 49 mm 507 g 340 Y Jul 2016 1,599i
12.
 
Fujifilm X-T1 129 mm 90 mm 47 mm 440 g 350 Y Jan 2014 1,299i
13.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 1,099 i
14.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 649 i
15.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 1,099 i
16.
 
Pentax K-S1 121 mm 93 mm 70 mm 558 g 410 n Aug 2014 749i
17.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 1,299i
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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The K-S2 was launched at a markedly lower price (by 50 percent) than the X-T3, 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 size of the imaging sensor is a crucial determinant of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors 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 and have a format factor (sometimes also referred to as "crop factor") of 1.5. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Fujifilm X-T3 and Pentax K-S2 sensor measures

While the two cameras under review share the same sensor size, the X-T3 offers a higher resolution of 26 megapixels, compared with 20 MP of the K-S2. This megapixels advantage translates into a 14 percent gain in linear resolution. On the other hand, these sensor specs imply that the X-T3 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.76μm versus 4.28μm for the K-S2). In this context, it should be noted, however, that the X-T3 is much more recent (by 3 years and 6 months) than the K-S2, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size. 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-T3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the X-T3 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-S2 are 27.4 x 18.2 inches or 69.5 x 46.3 cm for good quality, 21.9 x 14.6 inches or 55.6 x 37.1 cm for very good quality, and 18.2 x 12.2 inches or 46.3 x 30.9 cm for excellent quality prints.

The X-T3 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Fujifilm X-T3 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-S2 are ISO 100 to ISO 51200 (no boost).

X-T3 versus K-S2 MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Fujifilm X-T3 APS-C 26.0 6240 41604K/60p........
2.
 
Pentax K-S2 APS-C 20.0 5472 36481080/30p........
3.
 
Canon G1 X Mark III APS-C 24.0 6000 40001080/60p........
4.
 
Fujifilm X100V APS-C 26.0 6240 41604K/30p........
5.
 
Fujifilm X-T4 APS-C 26.0 6240 41604K/60p........
6.
 
Fujifilm X-Pro3 APS-C 26.0 6240 41604K/30p........
7.
 
Fujifilm X-T100 APS-C 24.0 6000 40004K/15p........
8.
 
Fujifilm X100F APS-C 24.0 6000 40001080/60p........
9.
 
Fujifilm X-T20 APS-C 24.0 6000 40004K/30p........
10.
 
Fujifilm X-Pro2 APS-C 24.0 6000 40001080/60p........
11.
 
Fujifilm X-T2 APS-C 24.0 6000 40004K/30p........
12.
 
Fujifilm X-T1 APS-C 16.0 4896 32641080/60p........
13.
 
Pentax KP APS-C 24.1 6016 40001080/60i........
14.
 
Pentax K-70 APS-C 24.0 6000 40001080/60i........
15.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
16.
 
Pentax K-S1 APS-C 20.0 5472 36481080/30p23.513.0106178
17.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the X-T3 provides a higher video resolution than the K-S2. It can shoot video footage at 4K/60p, while the Pentax is limited to 1080/30p.

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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-T3 has an electronic viewfinder (3690k dots), while the K-S2 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 X-T3 has a higher magnification than the one of the K-S2 (0.75x vs 0.63x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Fujifilm X-T3, the Pentax K-S2, and comparable cameras.

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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-T33690 n 3.0 1040 tilting Y 1/8000s 11.0 n n
2.
 
Pentax K-S2optical n 3.0 921 swivel n 1/6000s 5.4 Y Y
3.
 
Canon G1 X Mark III2360 n 3.0 1040 swivel Y 1/2000s 9.0 Y Y
4.
 
Fujifilm X100V3690 n 3.0 1620 tilting Y 1/4000s 11.0 Y n
5.
 
Fujifilm X-T43690 n 3.0 1620 swivel Y 1/8000s 15.0 n Y
6.
 
Fujifilm X-Pro33690 n 3.0 1620 tilting Y 1/8000s 8.0 n n
7.
 
Fujifilm X-T1002360 n 3.0 1040 full-flex Y 1/4000s 6.0 Y n
8.
 
Fujifilm X100F2360 n 3.0 1040 fixed n 1/4000s 8.0 Y n
9.
 
Fujifilm X-T202360 n 3.0 1040 tilting Y 1/4000s 8.0 Y n
10.
 
Fujifilm X-Pro22360 n 3.0 1620 fixed n 1/8000s 8.0 n n
11.
 
Fujifilm X-T22360 n 3.0 1040 tilting n 1/8000s 8.0 n n
12.
 
Fujifilm X-T12360 n 3.0 1040 tilting n 1/4000s 8.0 n n
13.
 
Pentax KPoptical n 3.0 921 tilting n 1/6000s 7.0 Y Y
14.
 
Pentax K-70optical n 3.0 921 swivel n 1/6000s 6.0 Y Y
15.
 
Pentax K-3 IIoptical Y 3.2 1037 fixed n 1/8000s 8.3 n Y
16.
 
Pentax K-S1optical n 3.0 921 fixed n 1/6000s 5.4 Y Y
17.
 
Pentax K-3optical Y 3.2 1037 fixed n 1/8000s 8.3 Y Y

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The X-T3 has a touchscreen, while the K-S2 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The K-S2 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 X-T3 does not have a selfie-screen.

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-T3 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-T3 and the Pentax K-S2 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-T3 and the K-S2 write their files to SDXC cards. The X-T3 features dual card slots, which can be very useful in case a memory card fails. In contrast, the K-S2 only has one slot. The X-T3 supports UHS-II cards (on both slots), while the K-S2 can use UHS-I 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-T3 and Pentax K-S2 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-T3YstereomonoYYmicro3.1Y-Y
2.
 
Pentax K-S2YmonomonoY-micro2.0YY-
3.
 
Canon G1 X Mark IIIYstereomono--micro2.0YYY
4.
 
Fujifilm X100VYstereomonoY-micro3.1Y-Y
5.
 
Fujifilm X-T4YstereomonoY-micro3.1Y-Y
6.
 
Fujifilm X-Pro3YstereomonoY--3.1Y-Y
7.
 
Fujifilm X-T100YstereomonoY-micro2.0Y-Y
8.
 
Fujifilm X100FYstereomonoY-micro2.0Y--
9.
 
Fujifilm X-T20YstereomonoY-micro2.0Y--
10.
 
Fujifilm X-Pro2YstereomonoY-micro2.0Y--
11.
 
Fujifilm X-T2YstereomonoY-micro3.0Y--
12.
 
Fujifilm X-T1YstereomonoY-mini2.0Y--
13.
 
Pentax KPYstereomonoY--2.0Y--
14.
 
Pentax K-70YstereomonoY-mini2.0Y--
15.
 
Pentax K-3 IIYmonomonoYYmini3.0---
16.
 
Pentax K-S1Ystereomono--micro2.0---
17.
 
Pentax K-3YmonomonoYYmini3.0---

It is notable that the X-T3 has a headphone jack, which is not present on the K-S2 This port makes it possible to attach external headphones and monitor the quality of sound during the recording process.

Studio photographers will appreciate that the Fujifilm X-T3 (unlike the K-S2) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The K-S2 is a recent model that features in the current product line-up of Pentax. In contrast, the X-T3 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the X-T3 was succeeded by the Fujifilm X-T4. 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 what conclusions can be drawn? Is there a clear favorite between the Fujifilm X-T3 and the Pentax K-S2? Which camera is better? 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-T3:

  • More detail: Offers more megapixels (26 vs 20MP) with a 14% higher linear resolution.
  • Better video: Provides higher definition movie capture (4K/60p vs 1080/30p).
  • 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 (0.75x vs 0.63x).
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 921k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/6000s) to freeze action.
  • Faster burst: Shoots at higher frequency (11 vs 5.4 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Less heavy: Is lighter (by 139g or 21 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 wireless transfer: Supports Bluetooth for image sharing without cables.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More modern: Reflects 3 years and 6 months of technical progress since the K-S2 launch.

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Reasons to prefer the Pentax K-S2:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • 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.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced into a lower priced category (50 percent cheaper at launch).
  • More heavily discounted: Has been around for much longer (launched in February 2015).

If the number of relative strengths (bullet points above) is taken as a guide, the X-T3 is the clear winner of the match-up (20 : 8 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

X-T3 20:08 K-S2

How about other alternatives? Do the specifications of the Fujifilm X-T3 and the Pentax K-S2 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 comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the X-T3 or the K-S2. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is where reviews by experts come in. The following table reports the overall ratings of the cameras as published by some of the major 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-T35/5+ +88/1005/55/5 Sep 2018 1,499i
2.
 
Pentax K-S24.5/5....5/54.5/5 Feb 2015 749 i
3.
 
Canon G1 X Mark III5/5+79/1004.5/54.5/5 Oct 2017 1,299 i
4.
 
Fujifilm X100V5/5+ +86/1005/54.5/5 Feb 2020 1,399 i
5.
 
Fujifilm X-T45/5+ +..5/55/5 Feb 2020 1,699 i
6.
 
Fujifilm X-Pro34/5+85/1004/5.. Oct 2019 1,799 i
7.
 
Fujifilm X-T1004/5+79/1004/54.5/5 May 2018 599i
8.
 
Fujifilm X100F5/5+83/1004.5/54.5/5 Jan 2017 1,299i
9.
 
Fujifilm X-T205/5+ +82/1005/54.5/5 Jan 2017 899i
10.
 
Fujifilm X-Pro2..+83/1004.5/54.5/5 Jan 2016 1,699 i
11.
 
Fujifilm X-T25/5+ +86/1004.5/55/5 Jul 2016 1,599i
12.
 
Fujifilm X-T15/5+ +84/1005/55/5 Jan 2014 1,299i
13.
 
Pentax KP4/5..82/1005/54.5/5 Jan 2017 1,099 i
14.
 
Pentax K-704.5/5..79/1004.5/54.5/5 Jun 2016 649 i
15.
 
Pentax K-3 II4.5/5....5/55/5 Apr 2015 1,099 i
16.
 
Pentax K-S14/5....4.5/54/5 Aug 2014 749i
17.
 
Pentax K-34/5..83/1005/55/5 Oct 2013 1,299i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, 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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Fujifilm X-T3:
Check Ebay offers
Pentax K-S2:
Check Amazon price

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Fujifilm X-T3 vs Pentax K-S2

    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-T3 Pentax K-S2
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Fujifilm X mount lenses Pentax K mount lenses
    Launch Date September 2018 February 2015
    Launch Price USD 1,499 USD 749
    Sensor Specs Fujifilm X-T3 Pentax K-S2
    Sensor Technology BSI-CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.5 x 15.6 mm 23.5 x 15.6 mm
    Sensor Area 366.6 mm2 366.6 mm2
    Sensor Diagonal 28.2 mm 28.2 mm
    Crop Factor 1.5x 1.5x
    Sensor Resolution 26 Megapixels 20 Megapixels
    Image Resolution 6240 x 4160 pixels 5472 x 3648 pixels
    Pixel Pitch 3.76 μm 4.28 μm
    Pixel Density 7.08 MP/cm2 5.45 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/60p Video 1080/30p Video
    ISO Setting 160 - 12,800 ISO 100 - 51,200 ISO
    ISO Boost 80 - 51,200 ISO no Enhancement
    Image Processor X-Processor 4 PRIME MII
    Screen Specs Fujifilm X-T3 Pentax K-S2
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.75x 0.63x
    Viewfinder Resolution 3690k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 921k dots
    LCD Attachment Tilting screen Swivel screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Fujifilm X-T3 Pentax K-S2
    Focus System On-Sensor Phase-detect Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/6000s
    Continuous Shooting 11 shutter flaps/s 5.4 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 Build-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support Dual UHS-II UHS-I
    Connectivity Specs Fujifilm X-T3 Pentax K-S2
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.1 USB 2.0
    HDMI Port micro HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support Bluetooth built-in no Bluetooth
    Body Specs Fujifilm X-T3 Pentax K-S2
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type NP-W126S D-LI109
    Battery Life (CIPA)390 shots per charge410 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 133 x 93 x 59 mm
    (5.2 x 3.7 x 2.3 in)
    123 x 91 x 73 mm
    (4.8 x 3.6 x 2.9 in)
    Camera Weight 539 g (19.0 oz) 678 g (23.9 oz)

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