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Fujifilm X-S10 vs Pentax K-1 II

The Fujifilm X-S10 and the Pentax K-1 II are two digital cameras that were revealed to the public, respectively, in October 2020 and February 2018. The X-S10 is a mirrorless interchangeable lens camera, while the K-1 II is a DSLR. The cameras are based on an APS-C (X-S10) and a full frame (K-1 II) sensor. The Fujifilm has a resolution of 26 megapixels, whereas the Pentax provides 36.2 MP.

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

Headline Specifications
Fujifilm X-S10
versus
Pentax K-1 II
Fujifilm X-S10   Pentax K-1 II
Mirrorless system camera Digital single lens reflex
Fujifilm X mount lenses Pentax K mount lenses
26 MP – APS-C sensor 36.2 MP – Full Frame sensor
4K/30p Video 1080/60i Video
ISO 160-12,800 (80 - 51,200) ISO 100-819,200
Electronic viewfinder (2360k dots) Optical viewfinder
3.0" LCD – 1040k dots 3.2" LCD – 1037k dots
Swivel touchscreen Fully flexible screen (no touchscreen)
8 shutter flaps per second 4.4 shutter flaps per second
In-body stabilizationIn-body stabilization
not weather sealedWeathersealed body
325 shots per battery charge670 shots per battery charge
126 x 85 x 65 mm, 465 g 137 x 110 x 86 mm, 1010 g
logo
Check X-S10 price at
amazon.com
logo
Check K-1 II price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X-S10 and the Pentax K-1 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.

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Body comparison

The side-by-side display below illustrates the physical size and weight of the Fujifilm X-S10 and the Pentax K-1 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 width, height and depth measures are rounded to the nearest millimeter.

The K-1 II can be obtained in two different colors (black, silver), while the X-S10 is only available in black.

Size Fujifilm X-S10 vs Pentax K-1 II
Compare X-S10 versus K-1 II top
Comparison X-S10 or K-1 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-1 II is notably larger (41 percent) than the Fujifilm X-S10. Moreover, the K-1 II is substantially heavier (117 percent) than the X-S10. It is noteworthy in this context that the K-1 II is splash and dust-proof, while the X-S10 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-S10 gets 325 shots out of its Fujifilm NP-W126S battery, while the K-1 II can take 670 images on a single charge of its Pentax D-LI90 power pack. The power pack in the X-S10 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
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Fujifilm X-S10 126 mm 85 mm 65 mm 465 g 325 n Oct 2020 999 amazon.com
2.
 
Pentax K-1 II 137 mm 110 mm 86 mm 1010 g 670 Y Feb 2018 1,999 amazon.com
3.
 
Fujifilm X-S20 128 mm 85 mm 65 mm 491 g 750 n May 2023 1,299 amazon.com
4.
 
Fujifilm X-E4 121 mm 73 mm 33 mm 364 g 380 n Jan 2021 849 amazon.com
5.
 
Fujifilm X-T30 II 118 mm 83 mm 47 mm 383 g 380 n Sep 2021 899 amazon.com
6.
 
Fujifilm X-T30 118 mm 83 mm 47 mm 383 g 380 n Feb 2019 899ebay.com
7.
 
Fujifilm X-A7 119 mm 68 mm 41 mm 320 g 440 n Sep 2019 499ebay.com
8.
 
Fujifilm X-T100 121 mm 83 mm 47 mm 448 g 430 n May 2018 599ebay.com
9.
 
Fujifilm X-E3 121 mm 74 mm 43 mm 337 g 350 n Sep 2017 899ebay.com
10.
 
Fujifilm X-T20 118 mm 83 mm 41 mm 383 g 350 n Jan 2017 899ebay.com
11.
 
Panasonic S1R 149 mm 110 mm 97 mm 1016 g 380 Y Feb 2019 3,699 amazon.com
12.
 
Pentax K-1 137 mm 110 mm 86 mm 1010 g 760 Y Feb 2016 1,799ebay.com
13.
 
Ricoh GR III 109 mm 62 mm 33 mm 257 g 200 n Feb 2019 899 amazon.com
14.
 
Sony A6400 120 mm 67 mm 50 mm 403 g 410 Y Jan 2019 899 amazon.com
15.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
16.
 
Sony A99 II 143 mm 104 mm 76 mm 849 g 490 Y Sep 2016 3,199ebay.com
17.
 
Sony A850 156 mm 117 mm 82 mm 895 g 880 Y Aug 2009 1,999ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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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 X-S10 was launched at a markedly lower price (by 50 percent) than the K-1 II, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Fujifilm X-S10 features an APS-C sensor and the Pentax K-1 II a full frame sensor. The sensor area in the K-1 II is 135 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Fujifilm X-S10 and Pentax K-1 II sensor measures

With 36.2MP, the K-1 II offers a higher resolution than the X-S10 (26MP), but the K-1 II nevertheless has larger individual pixels (pixel pitch of 4.88μm versus 3.76μm for the X-S10) due to its larger sensor. However, the X-S10 is a much more recent model (by 2 years and 7 months) than the K-1 II, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. 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 Pentax K-1 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-1 II for good quality output (200 dots per inch) amounts to 36.8 x 24.6 inches or 93.5 x 62.4 cm, for very good quality (250 dpi) 29.4 x 19.6 inches or 74.8 x 49.9 cm, and for excellent quality (300 dpi) 24.5 x 16.4 inches or 62.3 x 41.6 cm. The corresponding values for the Fujifilm X-S10 are 31.2 x 20.8 inches or 79.2 x 52.8 cm for good quality, 25 x 16.6 inches or 63.4 x 42.3 cm for very good quality, and 20.8 x 13.9 inches or 52.8 x 35.2 cm for excellent quality prints.

The X-S10 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

Unlike the X-S10, the K-1 II has the capacity to capture high quality composite images by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Fujifilm X-S10 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-1 II are ISO 100 to ISO 819200 (no boost).

In terms of underlying technology, the X-S10 is build around a BSI-CMOS sensor, while the K-1 II uses a CMOS imager. The X-S10 uses Fujifilm's X-Trans layout of photosites, while the K-1 II employs the more common Bayer array.

X-S10 versus K-1 II 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
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Fujifilm X-S10 APS-C 26.0 6240 41604K/30p24.213.7205785
2.
 
Pentax K-1 II Full Frame 36.2 7360 49121080/60i25.114.0269893
3.
 
Fujifilm X-S20 APS-C 26.0 6240 41604K/60p24.314.0231586
4.
 
Fujifilm X-E4 APS-C 26.0 6240 41604K/30p24.213.7208585
5.
 
Fujifilm X-T30 II APS-C 26.0 6240 41604K/30p24.213.8214485
6.
 
Fujifilm X-T30 APS-C 26.0 6240 41604K/30p24.113.5189583
7.
 
Fujifilm X-A7 APS-C 24.0 6000 40004K/30p24.113.6195584
8.
 
Fujifilm X-T100 APS-C 24.0 6000 40004K/15p24.013.4182983
9.
 
Fujifilm X-E3 APS-C 24.0 6000 40004K/30p23.913.3176482
10.
 
Fujifilm X-T20 APS-C 24.0 6000 40004K/30p23.913.2170481
11.
 
Panasonic S1R Full Frame 46.7 8368 55844K/60p26.414.13525100
12.
 
Pentax K-1 Full Frame 36.2 7360 49121080/60i25.414.6328096
13.
 
Ricoh GR III APS-C 24.0 6000 40001080/60p24.113.5189783
14.
 
Sony A6400 APS-C 24.0 6000 40004K/30p24.013.6143183
15.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
16.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
17.
 
Sony A850 Full Frame 24.4 6048 4032none23.812.2141579
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the X-S10 provides a higher video resolution than the K-1 II. It can shoot video footage at 4K/30p, while the Pentax is limited to 1080/60i.

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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-S10 has an electronic viewfinder (2360k dots), while the K-1 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 viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the K-1 II has a higher magnification than the one of the X-S10 (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-S10, the Pentax K-1 II, and comparable cameras.

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Core Features
# image 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-S102360 n3.0 / 1040 swivel Y 1/4000s 8.0/s Y Y
2.
 
Pentax K-1 IIoptical Y3.2 / 1037 full-flex n 1/8000s 4.4/s n Y
3.
 
Fujifilm X-S202360 n3.0 / 1840 swivel Y 1/4000s 8.0/s Y Y
4.
 
Fujifilm X-E42360 n3.0 / 1620 tilting Y 1/4000s 8.0/s n n
5.
 
Fujifilm X-T30 II2360 n3.0 / 1620 tilting Y 1/4000s 8.0/s Y n
6.
 
Fujifilm X-T302360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y n
7.
 
Fujifilm X-A7none n3.5 / 2760 swivel Y 1/4000s 6.0/s Y n
8.
 
Fujifilm X-T1002360 n3.0 / 1040 swivel Y 1/4000s 6.0/s Y n
9.
 
Fujifilm X-E32360 n3.0 / 1040 fixed Y 1/4000s 8.0/s n n
10.
 
Fujifilm X-T202360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y n
11.
 
Panasonic S1R5760 Y3.2 / 2100 full-flex Y 1/8000s 9.0/s n Y
12.
 
Pentax K-1optical Y3.2 / 1037 full-flex n 1/8000s 4.4/s n Y
13.
 
Ricoh GR IIIoptional n3.0 / 1037 fixed Y 1/4000s 4.0/s n Y
14.
 
Sony A64002359 n3.0 / 922 tilting Y 1/4000s 11.0/s Y n
15.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
16.
 
Sony A99 II2400 Y3.0 / 1229 full-flex n 1/8000s 12.0/s n Y
17.
 
Sony A850optical Y3.0 / 922 fixed n 1/8000s 3.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
padding

One difference between the cameras concerns the presence of an on-board flash. The X-S10 has one, while the K-1 II does not. While the built-in flash of the X-S10 is not very powerful, it can at times be useful as a fill-in light.

The X-S10 has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the K-1 II 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-S10 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-S10 and the Pentax K-1 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-S10 and the K-1 II write their files to SDXC cards. The K-1 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the X-S10 only has one slot. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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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-S10 and Pentax K-1 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
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Fujifilm X-S10Ystereo / monoY-micro3.2Y-Y
2.
 
Pentax K-1 IIYstereo / monoYYmicro2.0Y--
3.
 
Fujifilm X-S20Ystereo / monoYYmicro3.2Y-Y
4.
 
Fujifilm X-E4Ystereo / monoY-micro3.2Y-Y
5.
 
Fujifilm X-T30 IIYstereo / monoY-micro3.2Y-Y
6.
 
Fujifilm X-T30Ystereo / monoY-micro3.1Y-Y
7.
 
Fujifilm X-A7Ystereo / monoY-micro2.0Y-Y
8.
 
Fujifilm X-T100Ystereo / monoY-micro2.0Y-Y
9.
 
Fujifilm X-E3Ystereo / monoY-micro2.0Y-Y
10.
 
Fujifilm X-T20Ystereo / monoY-micro2.0Y--
11.
 
Panasonic S1RYstereo / monoYYfull3.1Y-Y
12.
 
Pentax K-1Ystereo / monoYYmicro2.0Y--
13.
 
Ricoh GR IIIYstereo / mono---3.0Y-Y
14.
 
Sony A6400Ystereo / monoY-micro2.0YYY
15.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
16.
 
Sony A99 IIYstereo / monoYYmicro2.0YYY
17.
 
Sony A850Y- / ---mini2.0---
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It is notable that the K-1 II has a headphone jack, which makes it possible to attach external headphones and monitor the quality of sound during the recording process. The X-S10 lacks such a headphone port.

Studio photographers will appreciate that the Pentax K-1 II (unlike the X-S10) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the K-1 II has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

Both the X-S10 and the K-1 II are recent models that are part of the current product line-up. The K-1 II replaced the earlier Pentax K-1, while the X-S10 does not have a direct predecessor. Further information on the features and operation of the X-S10 and K-1 II can be found, respectively, in the Fujifilm X-S10 Manual (free pdf) or the online Pentax K-1 II Manual.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Fujifilm X-S10 and the Pentax K-1 II? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Fujifilm X-S10:

  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60i).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (8 vs 4.4 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (126x85mm vs 137x110mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 545g or 54 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.
  • Faster data transfer: Supports a more advanced USB protocol (3.2 vs 2.0).
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced into a lower priced category (50 percent cheaper at launch).
  • More modern: Reflects 2 years and 7 months of technical progress since the K-1 II launch.

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Reasons to prefer the Pentax K-1 II:

  • More detail: Has more megapixels (36.2 vs 26MP), which boosts linear resolution by 18%.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • 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.
  • Longer lasting: Gets more shots (670 versus 325) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • 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 February 2018).

If the number of relative strengths (bullet points above) is taken as a guide, the K-1 II emerges as the winner of the match-up (18 : 16 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-S10 16:18 K-1 II

How about other alternatives? Do the specifications of the Fujifilm X-S10 and the Pentax K-1 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 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-S10 or the K-1 II. 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], 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
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Fujifilm X-S105/5..4.5/586/1004.5/54.5/5 Oct 2020 999 amazon.com
2.
 
Pentax K-1 II....4.5/579/1004.5/54.5/5 Feb 2018 1,999 amazon.com
3.
 
Fujifilm X-S205/5+ +5/586/100..4.5/5 May 2023 1,299 amazon.com
4.
 
Fujifilm X-E44/5..4/5..4.5/54/5 Jan 2021 849 amazon.com
5.
 
Fujifilm X-T30 II5/5..4/5..4.5/54.5/5 Sep 2021 899 amazon.com
6.
 
Fujifilm X-T305/5+ +5/584/1004.5/54.5/5 Feb 2019 899ebay.com
7.
 
Fujifilm X-A73/5..3.5/581/1004/53.5/5 Sep 2019 499ebay.com
8.
 
Fujifilm X-T1004/5+4.5/579/1004/54.5/5 May 2018 599ebay.com
9.
 
Fujifilm X-E34.5/5+4.5/584/1004.5/54.5/5 Sep 2017 899ebay.com
10.
 
Fujifilm X-T205/5+ +5/582/1005/54.5/5 Jan 2017 899ebay.com
11.
 
Panasonic S1R4.5/5..4.6/589/1004.5/54.5/5 Feb 2019 3,699 amazon.com
12.
 
Pentax K-15/5....84/1005/55/5 Feb 2016 1,799ebay.com
13.
 
Ricoh GR III4/5..3.5/581/1004/5.. Feb 2019 899 amazon.com
14.
 
Sony A64004/5+4/585/1004.5/54/5 Jan 2019 899 amazon.com
15.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
16.
 
Sony A99 II....4.5/585/1004.5/54.5/5 Sep 2016 3,199ebay.com
17.
 
Sony A8503/5....75/100..4.5/5 Aug 2009 1,999ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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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.

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Check X-S10 price at
amazon.com
logo
Check K-1 II price at
amazon.com

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-S10 vs Pentax K-1 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-S10 Pentax K-1 II
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Fujifilm X mount lenses Pentax K mount lenses
    Launch Date October 2020 February 2018
    Launch Price USD 999 USD 1,999
    Sensor Specs Fujifilm X-S10 Pentax K-1 II
    Sensor Technology BSI-CMOS CMOS
    Sensor Format APS-C Sensor Full Frame Sensor
    Sensor Size 23.5 x 15.6 mm 35.9 x 24.0 mm
    Sensor Area 366.6 mm2 861.6 mm2
    Sensor Diagonal 28.2 mm 43.2 mm
    Crop Factor 1.5x 1.0x
    Sensor Resolution 26 Megapixels 36.2 Megapixels
    Image Resolution 6240 x 4160 pixels 7360 x 4912 pixels
    Pixel Pitch 3.76 μm 4.88 μm
    Pixel Density 7.08 MP/cm2 4.20 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 4K/30p Video 1080/60i Video
    ISO Setting 160 - 12,800 ISO 100 - 819,200 ISO
    ISO Boost 80 - 51,200 ISO no Enhancement
    Image Processor X-Processor 4 PRIME IV
    Screen Specs Fujifilm X-S10 Pentax K-1 II
    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 1040k dots 1037k dots
    LCD Attachment Swivel screen Fully flexible screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Fujifilm X-S10 Pentax K-1 II
    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 4.4 shutter flaps/s
    Electronic Shutterup to 1/32000sno 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-I UHS-I
    Connectivity Specs Fujifilm X-S10 Pentax K-1 II
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 3.2 USB 2.0
    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 no Bluetooth
    Geotagging no internal GPS GPS built-in
    Body Specs Fujifilm X-S10 Pentax K-1 II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Fujifilm NP-W126S Pentax D-LI90
    Battery Life (CIPA)325 shots per charge670 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 126 x 85 x 65 mm
    (5.0 x 3.3 x 2.6 in)
    137 x 110 x 86 mm
    (5.4 x 4.3 x 3.4 in)
    Camera Weight 465 g (16.4 oz) 1010 g (35.6 oz)
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