Fujifilm X-Pro3 vs Pentax K-S1
The Fujifilm X-Pro3 and the Pentax K-S1 are two digital cameras that were officially introduced, respectively, in October 2019 and August 2014. The X-Pro3 is a mirrorless interchangeable lens camera, while the K-S1 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.
Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X-Pro3 and the Pentax K-S1? 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.
The side-by-side display below illustrates the physical size and weight of the Fujifilm X-Pro3 and the Pentax K-S1. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.
The X-Pro3 can be obtained in two different colors (black, silver), while the K-S1 is available in four color-versions (black, grey, orange, white).
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-S1 is somewhat smaller (4 percent) than the Fujifilm X-Pro3. However, the K-S1 is markedly heavier (12 percent) than the X-Pro3. It is worth mentioning in this context that the X-Pro3 is splash and dust resistant, while the K-S1 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 X-Pro3 gets 440 shots out of its NP-W126S battery, while the K-S1 can take 410 images on a single charge of its D-LI109 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 table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. 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.
|1.||Fujifilm X-Pro3||141 mm||83 mm||46 mm||497 g||440||Y||Oct 2019||1,799||amazon.com|
|2.||Pentax K-S1||121 mm||93 mm||70 mm||558 g||410||n||Aug 2014||749||ebay.com|
|3.||Fujifilm X100V||128 mm||75 mm||53 mm||478 g||420||Y||Feb 2020||1,399||amazon.com|
|4.||Fujifilm X-T4||135 mm||93 mm||64 mm||607 g||500||Y||Feb 2020||1,699||amazon.com|
|5.||Fujifilm X-A5||117 mm||68 mm||40 mm||361 g||450||n||Jan 2018||399||ebay.com|
|6.||Fujifilm X-T3||133 mm||93 mm||59 mm||539 g||390||Y||Sep 2018||1,499||ebay.com|
|7.||Fujifilm X-H1||140 mm||97 mm||86 mm||673 g||310||Y||Feb 2018||1,899||ebay.com|
|8.||Fujifilm X-T100||121 mm||83 mm||47 mm||448 g||430||n||May 2018||599||ebay.com|
|9.||Fujifilm X-Pro2||141 mm||83 mm||46 mm||495 g||350||Y||Jan 2016||1,699||ebay.com|
|10.||Fujifilm X-T2||133 mm||92 mm||49 mm||507 g||340||Y||Jul 2016||1,599||ebay.com|
|11.||Fujifilm X-T1||129 mm||90 mm||47 mm||440 g||350||Y||Jan 2014||1,299||ebay.com|
|12.||Nikon D5500||124 mm||97 mm||70 mm||470 g||820||n||Jan 2015||899||ebay.com|
|13.||Nikon D5300||125 mm||98 mm||76 mm||480 g||600||n||Oct 2013||799||ebay.com|
|14.||Pentax K-S2||123 mm||91 mm||73 mm||678 g||410||Y||Feb 2015||749||ebay.com|
|15.||Pentax K-500||130 mm||97 mm||71 mm||646 g||710||n||Jun 2013||549||ebay.com|
|16.||Samsung NX1||139 mm||102 mm||66 mm||550 g||500||Y||Sep 2014||1,499||ebay.com|
|17.||Sony A68||143 mm||104 mm||81 mm||610 g||540||n||Nov 2015||699||ebay.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 manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The K-S1 was launched at a markedly lower price (by 58 percent) than the X-Pro3, 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.
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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the 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. 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.
With 26MP, the X-Pro3 offers a higher resolution than the K-S1 (20MP), but the X-Pro3 has smaller individual pixels (pixel pitch of 3.76μm versus 4.28μm for the K-S1). However, the X-Pro3 is a much more recent model (by 5 years and 1 month) than the K-S1, 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-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-S1 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-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-S1 are ISO 100 to ISO 51200 (no boost).
In terms of underlying technology, the X-Pro3 is build around a BSI-CMOS sensor, while the K-S1 uses a CMOS imager. The X-Pro3 uses Fujifilm's X-Trans layout of photosites, while the K-S1 employs the more common Bayer array.
Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
|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 also of capturing video footage. 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-S1. It can shoot video footage at 4K/30p, while the Pentax is limited to 1080/30p.
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-S1 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-S1 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-S1 has a higher magnification (0.63x vs 0.52x), 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-Pro3, the Pentax K-S1, and comparable cameras.
|1.||Fujifilm X-Pro3||3690||n||3.0 / 1620||tilting||Y||1/8000s||8.0/s||n||n|
|2.||Pentax K-S1||optical||n||3.0 / 921||fixed||n||1/6000s||5.4/s||Y||Y|
|3.||Fujifilm X100V||3690||n||3.0 / 1620||tilting||Y||1/4000s||11.0/s||Y||n|
|4.||Fujifilm X-T4||3690||n||3.0 / 1620||swivel||Y||1/8000s||15.0/s||n||Y|
|5.||Fujifilm X-A5||none||n||3.0 / 1040||tilting||Y||1/4000s||6.0/s||Y||n|
|6.||Fujifilm X-T3||3690||n||3.0 / 1040||full-flex||Y||1/8000s||11.0/s||n||n|
|7.||Fujifilm X-H1||3690||Y||3.0 / 1040||full-flex||Y||1/8000s||14.0/s||n||Y|
|8.||Fujifilm X-T100||2360||n||3.0 / 1040||swivel||Y||1/4000s||6.0/s||Y||n|
|9.||Fujifilm X-Pro2||2360||n||3.0 / 1620||fixed||n||1/8000s||8.0/s||n||n|
|10.||Fujifilm X-T2||2360||n||3.0 / 1040||full-flex||n||1/8000s||8.0/s||n||n|
|11.||Fujifilm X-T1||2360||n||3.0 / 1040||tilting||n||1/4000s||8.0/s||n||n|
|12.||Nikon D5500||optical||n||3.2 / 1037||swivel||Y||1/4000s||5.0/s||Y||n|
|13.||Nikon D5300||optical||n||3.2 / 1037||swivel||n||1/4000s||5.0/s||Y||n|
|14.||Pentax K-S2||optical||n||3.0 / 921||swivel||n||1/6000s||5.4/s||Y||Y|
|15.||Pentax K-500||optical||n||3.0 / 921||fixed||n||1/6000s||6.0/s||Y||Y|
|16.||Samsung NX1||2360||Y||3.0 / 1036||tilting||Y||1/8000s||15.0/s||Y||n|
|17.||Sony A68||1440||Y||2.7 / 460||tilting||n||1/4000s||8.0/s||Y||Y|
|Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.|
One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The X-Pro3 has a touchscreen, while the K-S1 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 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.
Concerning the storage of imaging data, both the X-Pro3 and the K-S1 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-S1 only has one slot. The X-Pro3 supports UHS-II cards (on both slots), while the K-S1 can use UHS-I cards.
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-S1 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Mic / Speaker
|1.||Fujifilm X-Pro3||Y||stereo / mono||Y||-||-||3.1||Y||-||Y|
|2.||Pentax K-S1||Y||stereo / mono||-||-||micro||2.0||-||-||-|
|3.||Fujifilm X100V||Y||stereo / mono||Y||-||micro||3.1||Y||-||Y|
|4.||Fujifilm X-T4||Y||stereo / mono||Y||-||micro||3.1||Y||-||Y|
|5.||Fujifilm X-A5||Y||stereo / mono||Y||-||micro||2.0||Y||-||Y|
|6.||Fujifilm X-T3||Y||stereo / mono||Y||Y||micro||3.1||Y||-||Y|
|7.||Fujifilm X-H1||Y||stereo / mono||Y||-||micro||3.0||Y||-||-|
|8.||Fujifilm X-T100||Y||stereo / mono||Y||-||micro||2.0||Y||-||Y|
|9.||Fujifilm X-Pro2||Y||stereo / mono||Y||-||micro||2.0||Y||-||-|
|10.||Fujifilm X-T2||Y||stereo / mono||Y||-||micro||3.0||Y||-||-|
|11.||Fujifilm X-T1||Y||stereo / mono||Y||-||mini||2.0||Y||-||-|
|12.||Nikon D5500||Y||stereo / mono||Y||-||mini||2.0||Y||-||-|
|13.||Nikon D5300||Y||stereo / mono||Y||-||mini||2.0||Y||-||-|
|14.||Pentax K-S2||Y||mono / mono||Y||-||micro||2.0||Y||Y||-|
|15.||Pentax K-500||Y||mono / mono||-||-||-||2.0||-||-||-|
|16.||Samsung NX1||Y||stereo / mono||Y||Y||micro||3.0||Y||Y||Y|
|17.||Sony A68||Y||stereo / mono||Y||-||micro||2.0||-||-||-|
It is notable that the X-Pro3 has a microphone port, which is missing on the K-S1. 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 Fujifilm X-Pro3 (unlike the K-S1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
The X-Pro3 is a recent model that features in the current product line-up of Fujifilm. In contrast, the K-S1 has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the K-S1 was succeeded by the Pentax K-S2. Further information on the features and operation of the X-Pro3 and K-S1 can be found, respectively, in the Fujifilm X-Pro3 Manual (free pdf) or the online Pentax K-S1 Manual.
So how do things add up? Is the Fujifilm X-Pro3 better than the Pentax K-S1 or vice versa? Below is a summary of the relative strengths of each of the two contestants.
Arguments in favor of the Fujifilm X-Pro3:
- More detail: Offers more megapixels (26 vs 20MP) with a 14% higher linear resolution.
- Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- Better sound: Can connect to an external microphone for higher quality sound recording.
- 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 shutter: Has higher mechanical shutter speed (1/8000s vs 1/6000s) to freeze action.
- Faster burst: Shoots at higher frequency (8 vs 5.4 flaps/sec) to capture the decisive moment.
- Less disturbing: Has an electronic shutter option for completely silent shooting.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- Less heavy: Is lighter (by 61g or 11 percent) and hence easier to carry around.
- Easier travel charging: Can be conveniently charged via its USB port.
- Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
- 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.
- 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 5 years and 1 month of technical progress since the K-S1 launch.
Reasons to prefer the Pentax K-S1:
- 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 (0.63x vs 0.52x).
- 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 (58 percent cheaper at launch).
- More heavily discounted: Has been around for much longer (launched in August 2014).
If the count of relative strengths (bullet points above) is taken as a measure, the X-Pro3 is the clear winner of the match-up (23 : 7 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 wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
How about other alternatives? Do the specifications of the Fujifilm X-Pro3 and the Pentax K-S1 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 technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the X-Pro3 or the K-S1. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.
This is why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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.
|1.||Fujifilm X-Pro3||4/5||+||4/5||85/100||4/5||..||Oct 2019||1,799||amazon.com|
|2.||Pentax K-S1||4/5||..||..||..||4.5/5||4/5||Aug 2014||749||ebay.com|
|3.||Fujifilm X100V||5/5||+ +||4.5/5||86/100||5/5||4.5/5||Feb 2020||1,399||amazon.com|
|4.||Fujifilm X-T4||5/5||+ +||5/5||88/100||5/5||5/5||Feb 2020||1,699||amazon.com|
|5.||Fujifilm X-A5||..||+||4.1/5||..||4/5||3.5/5||Jan 2018||399||ebay.com|
|6.||Fujifilm X-T3||5/5||+ +||4.5/5||88/100||5/5||5/5||Sep 2018||1,499||ebay.com|
|7.||Fujifilm X-H1||..||+||5/5||86/100||4.5/5||4.5/5||Feb 2018||1,899||ebay.com|
|8.||Fujifilm X-T100||4/5||+||4.5/5||79/100||4/5||4.5/5||May 2018||599||ebay.com|
|9.||Fujifilm X-Pro2||..||+||..||83/100||4.5/5||4.5/5||Jan 2016||1,699||ebay.com|
|10.||Fujifilm X-T2||5/5||+ +||..||86/100||4.5/5||5/5||Jul 2016||1,599||ebay.com|
|11.||Fujifilm X-T1||5/5||+ +||..||84/100||5/5||5/5||Jan 2014||1,299||ebay.com|
|12.||Nikon D5500||5/5||+||..||79/100||4.5/5||4.5/5||Jan 2015||899||ebay.com|
|13.||Nikon D5300||4/5||+ +||..||79/100||4.5/5||4.5/5||Oct 2013||799||ebay.com|
|14.||Pentax K-S2||4.5/5||..||..||..||5/5||4.5/5||Feb 2015||749||ebay.com|
|15.||Pentax K-500||..||..||..||..||4.5/5||4.5/5||Jun 2013||549||ebay.com|
|16.||Samsung NX1||5/5||..||..||87/100||5/5||5/5||Sep 2014||1,499||ebay.com|
|17.||Sony A68||3/5||..||..||..||4/5||4/5||Nov 2015||699||ebay.com|
|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 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.
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 make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
- Canon 200D vs Pentax K-S1
- Fujifilm X-Pro3 vs Fujifilm X10
- Fujifilm X-Pro3 vs Nikon D850
- Fujifilm X-Pro3 vs Nikon Z6 II
- Fujifilm X-Pro3 vs Panasonic GX85
- Fujifilm X-Pro3 vs Panasonic TZ90
- Fujifilm X-Pro3 vs Pentax K-3 III
- Panasonic GH5 II vs Pentax K-S1
- Panasonic GH5s vs Pentax K-S1
- Panasonic S1 vs Pentax K-S1
- Pentax K-S1 vs Sony A1
- Pentax K-S1 vs Sony RX0 II
Specifications: Fujifilm X-Pro3 vs Pentax K-S1
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 Model||Fujifilm X-Pro3||Pentax K-S1|
|Camera Type||Mirrorless system camera||Digital single lens reflex|
|Camera Lens||Fujifilm X mount lenses||Pentax K mount lenses|
|Launch Date||October 2019||August 2014|
|Launch Price||USD 1,799||USD 749|
|Sensor Specs||Fujifilm X-Pro3||Pentax K-S1|
|Sensor Format||APS-C Sensor||APS-C Sensor|
|Sensor Size||23.6 x 15.6 mm||23.5 x 15.6 mm|
|Sensor Area||368.16 mm2||366.6 mm2|
|Sensor Diagonal||28.3 mm||28.2 mm|
|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||7.05 MP/cm2||5.45 MP/cm2|
|Moiré control||no AA filter||no AA filter|
|Movie Capability||4K/30p 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|
|DXO Sensor Quality (score)||..||78|
|DXO Color Depth (bits)||..||23.5|
|DXO Dynamic Range (EV)||..||13.0|
|DXO Low Light (ISO)||..||1061|
|Screen Specs||Fujifilm X-Pro3||Pentax K-S1|
|Viewfinder Type||Electronic viewfinder||Optical viewfinder|
|Viewfinder Field of View||95%||100%|
|Viewfinder Resolution||3690k dots|
|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-S1|
|Focus System||On-Sensor Phase-detect||Phase-detect AF|
|Manual Focusing Aid||Focus Peaking||Focus Peaking|
|Max Shutter Speed (mechanical)||1/8000s||1/6000s|
|Continuous Shooting||8 shutter flaps/s||5.4 shutter flaps/s|
|Electronic Shutter||up to 1/32000s||no E-Shutter|
|Time-Lapse Photography||Intervalometer built-in||no Intervalometer|
|Image Stabilization||Lens stabilization only||In-body stabilization|
|Fill Flash||no On-Board Flash||Built-in Flash|
|Storage Medium||SDXC cards||SDXC cards|
|Single or Dual Card Slots||Dual card slots||Single card slot|
|UHS card support||Dual UHS-II||UHS-I|
|Connectivity Specs||Fujifilm X-Pro3||Pentax K-S1|
|Studio Flash||PC Sync socket||no PC Sync|
|USB Connector||USB 3.1||USB 2.0|
|HDMI Port||no HDMI||micro HDMI|
|Microphone Port||External MIC port||no MIC socket|
|Wifi Support||Wifi built-in||no Wifi|
|Bluetooth Support||Bluetooth built-in||no Bluetooth|
|Body Specs||Fujifilm X-Pro3||Pentax K-S1|
|Environmental Sealing||Weathersealed body||not weather sealed|
|Battery Life (CIPA)||440 shots per charge||410 shots per charge|
|In-Camera Charging||USB charging||no USB charging|
141 x 83 x 46 mm
(5.6 x 3.3 x 1.8 in)
121 x 93 x 70 mm
(4.8 x 3.7 x 2.8 in)
|Camera Weight||497 g (17.5 oz)||558 g (19.7 oz)|
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