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Fujifilm X-A1 vs Pentax K-3 II

The Fujifilm X-A1 and the Pentax K-3 II are two digital cameras that were revealed to the public, respectively, in September 2013 and April 2015. The X-A1 is a mirrorless interchangeable lens camera, while the K-3 II is a DSLR. Both cameras are equipped with an APS-C sensor. The Fujifilm has a resolution of 16 megapixels, whereas the Pentax provides 24.1 MP.

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

Headline Specifications
Fujifilm X-A1 versus Pentax K-3 II
Fujifilm X-A1 Pentax K-3 II
Mirrorless system camera Digital single lens reflex
Fujifilm X mount lenses Pentax K mount lenses
16 MP, APS-C Sensor 24.1 MP, APS-C Sensor
1080/30p Video 1080/60i Video
ISO 200-6,400 (100 - 25,600) ISO 100-51,200
No viewfinder, LCD framing Optical viewfinder
3.0 LCD, 920k dots 3.2 LCD, 1037k dots
Tilting screen (no touchscreen) Fixed screen (not touch-sensitive)
5.6 shutter flaps per second 8.3 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
350 shots per battery charge720 shots per battery charge
117 x 67 x 39 mm, 330 g 131 x 100 x 77 mm, 800 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Fujifilm X-A1 and the Pentax K-3 II? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

An illustration of the physical size and weight of the Fujifilm X-A1 and the Pentax K-3 II is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures are rounded to the nearest millimeter.

The X-A1 can be obtained in two different colors (black, blue), while the K-3 II is also available in two color-versions, but different ones (black, silver).

Size Fujifilm X-A1 vs Pentax K-3 II
Compare X-A1 versus K-3 II top
Comparison X-A1 or K-3 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-3 II is considerably larger (67 percent) than the Fujifilm X-A1. Moreover, the K-3 II is substantially heavier (142 percent) than the X-A1. It is noteworthy in this context that the K-3 II is splash and dust-proof, while the X-A1 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-A1 gets 350 shots out of its NP-W126 battery, while the K-3 II can take 720 images on a single charge of its D-LI90 power pack.

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.

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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
 
Fujifilm X-A1 4.6 in 2.6 in 1.5 in 11.6 oz 350 n Sep 2013 399i
 
Pentax K-3 II 5.2 in 3.9 in 3.0 in 28.2 oz 720 Y Apr 2015 1,099 i
 
Canon 80D 5.5 in 4.1 in 3.1 in 25.8 oz 960 Y Feb 2016 1,199i
 
Fujifilm X-A5 4.6 in 2.7 in 1.6 in 12.7 oz 450 n Jan 2018 399i
 
Fujifilm X-A3 4.6 in 2.6 in 1.6 in 12.0 oz 410 n Aug 2016 399i
 
Fujifilm X-A10 4.6 in 2.6 in 1.6 in 11.7 oz 410 n Dec 2016 399i
 
Fujifilm X-E2S 5.1 in 3.0 in 1.5 in 12.3 oz 350 n Jan 2016 699i
 
Fujifilm X-A2 4.6 in 2.6 in 1.6 in 12.3 oz 410 n Jan 2015 399i
 
Fujifilm X-T10 4.6 in 3.3 in 1.6 in 13.4 oz 350 n May 2015 799i
 
Fujifilm X-E2 5.1 in 3.0 in 1.5 in 12.3 oz 350 n Oct 2013 999i
 
Fujifilm X-M1 4.6 in 2.6 in 1.5 in 11.6 oz 350 n Jun 2013 699i
 
Fujifilm X-E1 5.1 in 3.0 in 1.5 in 12.3 oz 350 n Sep 2012 999i
 
Fujifilm X-Pro1 5.5 in 3.2 in 1.7 in 15.9 oz 300 n Jan 2012 1,699i
 
Pentax KP 5.2 in 4.0 in 3.0 in 24.8 oz 390 Y Jan 2017 1,099 i
 
Pentax K-70 5.0 in 3.7 in 2.9 in 24.3 oz 410 Y Jun 2016 649 i
 
Pentax K-3 5.2 in 3.9 in 3.0 in 28.2 oz 560 Y Oct 2013 1,299i
 
Pentax K-5 5.2 in 3.8 in 2.9 in 26.8 oz 740 Y Sep 2010 1,099i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. 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-A1 was launched at a markedly lower price (by 64 percent) than the K-3 II, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants 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. 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 more expensive and lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the K-3 II is 1 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.

In terms of underlying technology, both cameras are build around CMOS sensors.

Fujifilm X-A1 and Pentax K-3 II sensor measures

Despite having a slightly smaller sensor, the K-3 II offers a higher resolution of 24.1 megapixels, compared with 16 MP of the X-A1. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.90μm versus 4.80μm for the X-A1). However, it should be noted that the K-3 II is a somewhat more recent model (by 1 year and 7 months) than the X-A1, and its sensor might have benefitted from technological advances during this time that partly offset its pixel-size disadvantage. Coming back to sensor resolution, it should be mentioned that the K-3 II has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Pentax K-3 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-3 II for good quality output (200 dots per inch) amounts to 30.1 x 20 inches or 76.4 x 50.8 cm, for very good quality (250 dpi) 24.1 x 16 inches or 61.1 x 40.6 cm, and for excellent quality (300 dpi) 20.1 x 13.3 inches or 50.9 x 33.9 cm. The corresponding values for the Fujifilm X-A1 are 24.5 x 16.3 inches or 62.2 x 41.5 cm for good quality, 19.6 x 13.1 inches or 49.7 x 33.2 cm for very good quality, and 16.3 x 10.9 inches or 41.5 x 27.6 cm for excellent quality prints.

Unlike the X-A1, the K-3 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-A1 has a native sensitivity range from ISO 200 to ISO 6400, which can be extended to ISO 100-25600. The corresponding ISO settings for the Pentax K-3 II are ISO 100 to ISO 51200 (no boost).

X-A1 versus K-3 II 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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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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
 
Fujifilm X-A1 APS-C 16.0 4896 32641080/30p........
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
 
Canon 80D APS-C 24.0 6000 40001080/60p23.613.2113579
 
Fujifilm X-A5 APS-C 24.0 6000 40004K/15p........
 
Fujifilm X-A3 APS-C 24.0 6000 40001080/60p........
 
Fujifilm X-A10 APS-C 16.0 4896 32641080/30p........
 
Fujifilm X-E2S APS-C 16.0 4896 32641080/60p........
 
Fujifilm X-A2 APS-C 16.0 4896 32641080/30p........
 
Fujifilm X-T10 APS-C 16.0 4896 32641080/60p........
 
Fujifilm X-E2 APS-C 16.0 4896 32641080/60p........
 
Fujifilm X-M1 APS-C 16.0 4896 32641080/30p........
 
Fujifilm X-E1 APS-C 16.0 4896 32641080/24p........
 
Fujifilm X-Pro1 APS-C 16.0 4896 32641080/24p........
 
Pentax KP APS-C 24.1 6016 40001080/60i........
 
Pentax K-70 APS-C 24.0 6000 40001080/60i........
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
 
Pentax K-5 APS-C 16.1 4928 32641080/25p23.714.1116282

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the K-3 II provides a faster frame rate than the X-A1. It can shoot movie footage at 1080/60i, while the Fujifilm is limited to 1080/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the K-3 II has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the X-A1 relies on live view and the rear LCD for framing. The table below summarizes some of the other core capabilities of the Fujifilm X-A1 and Pentax K-3 II in connection with corresponding information for a sample of similar 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
 
Fujifilm X-A1none n 3.0 920 tilting n 1/4000s 5.6 Y n
 
Pentax K-3 IIoptical Y 3.2 1037 fixed n 1/8000s 8.3 n Y
 
Canon 80Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n
 
Fujifilm X-A5none n 3.0 1040 tilting Y 1/4000s 6.0 Y n
 
Fujifilm X-A3none n 3.0 1040 tilting Y 1/4000s 6.0 Y n
 
Fujifilm X-A10none n 3.0 1040 tilting n 1/4000s 6.0 Y n
 
Fujifilm X-E2S2360 n 3.0 1040 fixed n 1/4000s 7.0 Y n
 
Fujifilm X-A2none n 3.0 920 tilting n 1/4000s 5.6 Y n
 
Fujifilm X-T102360 n 3.0 920 tilting n 1/4000s 8.0 Y n
 
Fujifilm X-E22360 n 3.0 1040 fixed n 1/4000s 7.0 Y n
 
Fujifilm X-M1none n 3.0 920 tilting n 1/4000s 5.6 Y n
 
Fujifilm X-E12360 n 2.8 460 fixed n 1/4000s 6.0 Y n
 
Fujifilm X-Pro11440 n 3.0 1230 fixed n 1/4000s 6.0 n n
 
Pentax KPoptical n 3.0 921 tilting n 1/6000s 7.0 Y Y
 
Pentax K-70optical n 3.0 921 swivel n 1/6000s 6.0 Y Y
 
Pentax K-3optical Y 3.2 1037 fixed n 1/8000s 8.3 Y Y
 
Pentax K-5optical Y 3.0 921 fixed n 1/8000s 7.0 Y Y

One difference between the cameras concerns the presence of an on-board flash. The X-A1 has one, while the K-3 II does not. While the built-in flash of the X-A1 is not very powerful, it can at times be useful as a fill-in light.

The X-A1 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-3 II does not have a selfie-screen.

The Pentax K-3 II 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.

The X-A1 writes its imaging data to SDHC cards, while the K-3 II uses SDXC cards. The K-3 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the X-A1 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-A1 and Pentax K-3 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Fujifilm X-A1Ystereomono--mini2.0Y--
 
Pentax K-3 IIYmonomonoYYmini3.0---
 
Canon 80DYstereomonoYYmini2.0YY-
 
Fujifilm X-A5YstereomonoY-mini2.0Y-Y
 
Fujifilm X-A3Ystereomono--micro2.0Y--
 
Fujifilm X-A10-stereomono--mini2.0Y--
 
Fujifilm X-E2SYstereomonoY-micro2.0Y--
 
Fujifilm X-A2Ystereomono--mini2.0Y--
 
Fujifilm X-T10YstereomonoY-micro2.0Y--
 
Fujifilm X-E2YstereomonoY-micro2.0Y--
 
Fujifilm X-M1Ystereomono--mini2.0Y--
 
Fujifilm X-E1YstereomonoY-mini2.0---
 
Fujifilm X-Pro1Ystereomono--mini2.0---
 
Pentax KPYstereomonoY--2.0Y--
 
Pentax K-70YstereomonoY-mini2.0Y--
 
Pentax K-3YmonomonoYYmini3.0---
 
Pentax K-5YstereomonoY-mini2.0---

It is notable that the X-A1 offers wifi support, while the K-3 II does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Pentax K-3 II (unlike the X-A1) 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 II has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The K-3 II is a recent model that features in the current product line-up of Pentax. In contrast, the X-A1 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the X-A1 was succeeded by the Fujifilm X-A2. 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 is the bottom line? Is there a clear favorite between the Fujifilm X-A1 and the Pentax K-3 II? Which camera is better? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Fujifilm X-A1:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • More compact: Is smaller (117x67mm vs 131x100mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 470g or 59 percent) and hence easier to carry around.
  • 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.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • More affordable: Was introduced into a lower priced category (64 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in September 2013).

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Advantages of the Pentax K-3 II:

  • More detail: Has more megapixels (24.1 vs 16MP), which boosts linear resolution by 23%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better video: Provides higher movie framerates (1080/60i versus 1080/30p).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • 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.
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 920k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (8.3 vs 5.6 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Gets more shots (720 versus 350) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • 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 modern: Was introduced somewhat (1 year and 7 months) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the K-3 II is the clear winner of the contest (21 : 10 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-A1 10:21 K-3 II

How about other alternatives? Do the specifications of the Fujifilm X-A1 and the Pentax K-3 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 technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the X-A1 and the K-3 II in practical situations. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.

Expert reviews

This is 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 (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). 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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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Fujifilm X-A1....4.5/5..4.5/5 Sep 2013 399i
 
Pentax K-3 II....5/54.5/55/5 Apr 2015 1,099 i
 
Canon 80D+ +84/1004.5/54.5/54.5/5 Feb 2016 1,199i
 
Fujifilm X-A5+..4/54/53.5/5 Jan 2018 399i
 
Fujifilm X-A3..74/1004.5/5..4/5 Aug 2016 399i
 
Fujifilm X-A10....4/5..4/5 Dec 2016 399i
 
Fujifilm X-E2S..77/1004.5/5..4.5/5 Jan 2016 699i
 
Fujifilm X-A2....4.5/54/54.5/5 Jan 2015 399i
 
Fujifilm X-T10+ +80/1005/54/55/5 May 2015 799i
 
Fujifilm X-E2..80/1004.5/5..5/5 Oct 2013 999i
 
Fujifilm X-M1+77/1004.5/5..4.5/5 Jun 2013 699i
 
Fujifilm X-E1+ +79/1004.5/54.5/54.5/5 Sep 2012 999i
 
Fujifilm X-Pro1+ +79/1004.5/54/54.5/5 Jan 2012 1,699i
 
Pentax KP..82/1005/5..4.5/5 Jan 2017 1,099 i
 
Pentax K-70..79/1004.5/54/54.5/5 Jun 2016 649 i
 
Pentax K-3..83/1005/54.5/55/5 Oct 2013 1,299i
 
Pentax K-5..83/1005/54.5/54.5/5 Sep 2010 1,099i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Fujifilm X-A1:
Check Ebay offers
Pentax K-3 II:
Check Amazon price

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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Fujifilm X-A1 vs Pentax K-3 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-A1 Pentax K-3 II
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Fujifilm X mount lenses Pentax K mount lenses
    Launch Date September 2013 April 2015
    Launch Price USD 399 USD 1,099
    Sensor Specs Fujifilm X-A1 Pentax K-3 II
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.5 x 15.7 mm 23.5 x 15.6 mm
    Sensor Area 368.95 mm2 366.6 mm2
    Sensor Diagonal 28.3 mm 28.2 mm
    Crop Factor 1.5x 1.5x
    Sensor Resolution 16 Megapixels 24.1 Megapixels
    Image Resolution 4896 x 3264 pixels 6016 x 4000 pixels
    Pixel Pitch 4.80 μm 3.90 μm
    Pixel Density 4.33 MP/cm2 6.56 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/30p Video 1080/60i Video
    ISO Setting 200 - 6,400 ISO 100 - 51,200 ISO
    ISO Boost 100 - 25,600 ISO no Enhancement
    Image Processor EXR Processor II PRIME III
    DXO Sensor Quality (score) .. 80
    DXO Color Depth (bits) .. 23.6
    DXO Dynamic Range (EV) .. 13.6
    DXO Low Light (ISO) .. 1106
    Screen Specs Fujifilm X-A1 Pentax K-3 II
    Viewfinder Type no viewfinder Optical viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.63x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 920k dots 1037k dots
    LCD Attachment Tilting screen Fixed screen
    Shooting Specs Fujifilm X-A1 Pentax K-3 II
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 5.6 shutter flaps/s 8.3 shutter flaps/s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDHC cards SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support UHS-I UHS-I
    Connectivity Specs Fujifilm X-A1 Pentax K-3 II
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in no Wifi
    Geotagging no internal GPS GPS built-in
    Body Specs Fujifilm X-A1 Pentax K-3 II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type NP-W126 D-LI90
    Battery Life (CIPA)350 shots per charge720 shots per charge
    Body Dimensions 117 x 67 x 39 mm
    (4.6 x 2.6 x 1.5 in)
    131 x 100 x 77 mm
    (5.2 x 3.9 x 3.0 in)
    Camera Weight 330 g (11.6 oz) 800 g (28.2 oz)

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