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Pentax K-3 vs Fujifilm X-T20

The Pentax K-3 and the Fujifilm X-T20 are two digital cameras that were revealed to the public, respectively, in October 2013 and January 2017. The K-3 is a DSLR, while the X-T20 is a mirrorless interchangeable lens camera. Both cameras are equipped with an APS-C sensor. The Pentax has a resolution of 24.1 megapixels, whereas the Fujifilm provides 24 MP. Read on to find out how these two cameras compare with respect to their body size, their sensors, their features, their input-output connections, and their reception by expert reviewers.

Headline Specifications
Pentax K-3   Fujifilm X-T20
Pentax K-3 Fujifilm X-T20
Digital single lens reflex Mirrorless system camera
Pentax K mount lenses Fujifilm X mount lenses
24.1 MP, APS-C Sensor 24 MP, APS-C Sensor
1080/60i Video 4K/30p Video
ISO 100-51200 ISO 200-12800 (100-51200)
Optical viewfinder Electronic viewfinder (2360k dots)
3.2" LCD, 1037k dots 3.0" LCD, 1040k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
8.3 shutter flaps per second 8 shutter flaps per second
In-body stabilizationLens stabilization only
Weathersealed bodyNot weather sealed
560 shots per battery charge350 shots per battery charge
131 x 100 x 77 mm, 800 g 118 x 83 x 41 mm, 383 g

Body comparison: Pentax K-3 vs Fujifilm X-T20

An illustration of the physical size and weight of the Pentax K-3 and the Fujifilm X-T20 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 size dimensions are rounded to the nearest millimeter.

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

Compare Pentax K-3 and Fujifilm X-T20
Compare K-3 versus X-T20 top
Compare K-3 or X-T20 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Fujifilm X-T20 is notably smaller (25 percent) than the Pentax K-3. Moreover, the X-T20 is substantially lighter (52 percent) than the K-3. It is worth mentioning in this context that the K-3 is splash and dust resistant, while the X-T20 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 K-3 gets 560 shots out of its D-LI90 battery, while the X-T20 can take 350 images on a single charge of its NP-W126S power pack. The power pack in the X-T20 can be charged via the USB port, which can be very convenient when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Pentax K-3» 5.2 in 3.9 in 3.0 in 28.2 oz 560 Y Oct 2013 1,299- i Pentax K-3
 
Fujifilm X-T20« 4.6 in 3.3 in 1.6 in 13.5 oz 350 n Jan 2017 899 i i Fujifilm X-T20
 
Canon 70D« » 5.5 in 4.1 in 3.1 in 26.6 oz 920 Y Jul 2013 1,199- i Canon 70D
 
Fujifilm X-T30« » 4.6 in 3.3 in 1.9 in 13.5 oz 380 n Feb 2019 899 i i Fujifilm X-T30
 
Fujifilm X-A5« » 4.6 in 2.7 in 1.6 in 12.7 oz 450 n Jan 2018 399 i i Fujifilm X-A5
 
Fujifilm X-T100« » 4.8 in 3.3 in 1.9 in 15.8 oz 430 n May 2018 599 i i Fujifilm X-T100
 
Fujifilm X-E3« » 4.8 in 2.9 in 1.7 in 11.9 oz 350 n Sep 2017 899 i i Fujifilm X-E3
 
Fujifilm X-T10« » 4.6 in 3.3 in 1.6 in 13.4 oz 350 n May 2015 799- i Fujifilm X-T10
 
Nikon D7200« » 5.4 in 4.2 in 3.0 in 27.0 oz 1110 Y Mar 2015 1,199- i Nikon D7200
 
Nikon D7100« » 5.4 in 4.2 in 3.0 in 27.0 oz 950 Y Feb 2013 1,199- i Nikon D7100
 
Pentax KP« » 5.2 in 4.0 in 3.0 in 24.8 oz 390 Y Jan 2017 1,099 i i Pentax KP
 
Pentax K-70« » 5.0 in 3.7 in 2.9 in 24.3 oz 410 Y Jun 2016 649 i i Pentax K-70
 
Pentax K-3 II« » 5.2 in 3.9 in 3.0 in 28.2 oz 720 Y Apr 2015 1,099 i i Pentax K-3 II
 
Pentax K-5« » 5.2 in 3.8 in 2.9 in 26.8 oz 740 Y Sep 2010 1,099- i Pentax K-5
 
Sony A6500« » 4.7 in 2.6 in 2.1 in 16.0 oz 350 Y Oct 2016 1,399 i i Sony A6500
 
Sony A99« » 5.8 in 4.4 in 3.1 in 28.6 oz 500 Y Sep 2012 2,799- i Sony A99
 
Sony A77« » 5.6 in 4.1 in 3.2 in 25.8 oz 470 Y Aug 2011 1,399- i Sony A77

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-T20 was launched at a markedly lower price (by 31 percent) than the K-3, 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.

 

Sensor comparison: Pentax K-3 vs Fujifilm X-T20

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to 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. 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.

Pentax K-3 and Fujifilm X-T20 sensor measures

Despite having a slightly smaller sensor, the Pentax K-3 offers a higher resolution of 24.1 megapixels, compared with 24 MP of the Fujifilm X-T20. 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 3.92μm for the X-T20). Moreover, it should be noted that the X-T20 is much more recent (by 3 years and 3 months) than the K-3, and its sensor will have benefitted from technological advances during this time that further 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 X-T20 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during video recording.

The Pentax K-3 has a native sensitivity range from ISO 100 to ISO 51200 The corresponding ISO settings for the Fujifilm X-T20 are ISO 200 to ISO 12800, with the possibility to increase the ISO range to 100-51200..

K-3 versus X-T20 MP

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 adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Pentax K-3» APS-C 24.1 6016 40001080/60i23.713.4121680Pentax K-3
 
Fujifilm X-T20« APS-C 24.0 6000 40004K/30p----Fujifilm X-T20
 
Canon 70D« » APS-C 20.0 5472 36481080/30p22.511.692668Canon 70D
 
Fujifilm X-T30« » APS-C 26.0 6240 41604K/30p----Fujifilm X-T30
 
Fujifilm X-A5« » APS-C 24.0 6000 40004K/15p----Fujifilm X-A5
 
Fujifilm X-T100« » APS-C 24.0 6000 40004K/15p----Fujifilm X-T100
 
Fujifilm X-E3« » APS-C 24.0 6000 40004K/30p----Fujifilm X-E3
 
Fujifilm X-T10« » APS-C 16.0 4896 32641080/60p----Fujifilm X-T10
 
Nikon D7200« » APS-C 24.0 6000 40001080/60p24.514.6133387Nikon D7200
 
Nikon D7100« » APS-C 24.0 6000 40001080/60p24.213.7125683Nikon D7100
 
Pentax KP« » APS-C 24.1 6016 40001080/60i----Pentax KP
 
Pentax K-70« » APS-C 24.0 6000 40001080/60i----Pentax K-70
 
Pentax K-3 II« » APS-C 24.1 6016 40001080/60i23.613.6110680Pentax K-3 II
 
Pentax K-5« » APS-C 16.1 4928 32641080/25p23.714.1116282Pentax K-5
 
Sony A6500« » APS-C 24.0 6000 40004K/30p24.513.7140585Sony A6500
 
Sony A99« » Full Frame 24.0 6000 40001080/60p25.014.0155589Sony A99
 
Sony A77« » APS-C 24.0 6000 40001080/60p24.013.280178Sony A77

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-T20 provides a better video resolution than the K-3. It can shoot movie footage at 4K/30p, while the Pentax is limited to 1080/60i.

 

Feature comparison: Pentax K-3 vs Fujifilm X-T20

Beyond body and sensor, cameras can and do differ across a range of features. For example, the X-T20 has an electronic viewfinder (2360k dots), while the K-3 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the K-3 has a higher magnification than the one of the X-T20 (0.63x vs 0.62x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Pentax K-3 and Fujifilm X-T20 in connection with corresponding information for a sample of similar cameras.

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
Camera
Model
 
Pentax K-3»optical Y 3.2 1037 fixed n 1/8000s 8.3 Y Y Pentax K-3
 
Fujifilm X-T20«2360 n 3.0 1040 tilting Y 1/4000s 8.0 Y n Fujifilm X-T20
 
Canon 70D« »optical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n Canon 70D
 
Fujifilm X-T30« »2360 n 3.0 1040 tilting Y 1/4000s 8.0 Y n Fujifilm X-T30
 
Fujifilm X-A5« »- n 3.0 1040 tilting Y 1/4000s 6.0 Y n Fujifilm X-A5
 
Fujifilm X-T100« »2360 n 3.0 1040 full-flex Y 1/4000s 6.0 Y n Fujifilm X-T100
 
Fujifilm X-E3« »2360 n 3.0 1040 fixed Y 1/4000s 8.0 n n Fujifilm X-E3
 
Fujifilm X-T10« »2360 n 3.0 920 tilting n 1/4000s 8.0 Y n Fujifilm X-T10
 
Nikon D7200« »optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n Nikon D7200
 
Nikon D7100« »optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n Nikon D7100
 
Pentax KP« »optical n 3.0 921 tilting n 1/6000s 7.0 Y Y Pentax KP
 
Pentax K-70« »optical n 3.0 921 swivel n 1/6000s 6.0 Y Y Pentax K-70
 
Pentax K-3 II« »optical Y 3.2 1037 fixed n 1/8000s 8.3 n Y Pentax K-3 II
 
Pentax K-5« »optical Y 3.0 921 fixed n 1/8000s 7.0 Y Y Pentax K-5
 
Sony A6500« »2359 n 3.0 922 tilting Y 1/4000s 11.0 Y Y Sony A6500
 
Sony A99« »2359 Y 3.0 1229 full-flex n 1/8000s 6.0 n Y Sony A99
 
Sony A77« »2359 Y 3.0 921 full-flex n 1/8000s 12.0 Y Y Sony A77

One feature that is present on the K-3, but is missing on the X-T20 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

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-T20 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 Pentax K-3 and the Fujifilm X-T20 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 K-3 and the X-T20 write their files to SDXC cards. The K-3 features dual card slots, which can be very useful in case a memory card fails. In contrast, the X-T20 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.

 

Connectivity comparison: Pentax K-3 vs Fujifilm X-T20

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 Pentax K-3 and Fujifilm X-T20 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Pentax K-3»YmonomonoYYmini3.0---Pentax K-3
 
Fujifilm X-T20«YstereomonoY-micro2.0Y--Fujifilm X-T20
 
Canon 70D« »YstereomonoY-mini2.0Y--Canon 70D
 
Fujifilm X-T30« »YstereomonoY-micro3.1Y-YFujifilm X-T30
 
Fujifilm X-A5« »YstereomonoY-mini2.0Y-YFujifilm X-A5
 
Fujifilm X-T100« »YstereomonoY-micro2.0Y-YFujifilm X-T100
 
Fujifilm X-E3« »YstereomonoY-micro2.0Y-YFujifilm X-E3
 
Fujifilm X-T10« »YstereomonoY-micro2.0Y--Fujifilm X-T10
 
Nikon D7200« »YstereomonoYYmini2.0YY-Nikon D7200
 
Nikon D7100« »YstereomonoYYmini2.0---Nikon D7100
 
Pentax KP« »YstereomonoY--2.0Y--Pentax KP
 
Pentax K-70« »YstereomonoY-mini2.0Y--Pentax K-70
 
Pentax K-3 II« »YmonomonoYYmini3.0---Pentax K-3 II
 
Pentax K-5« »YstereomonoY-mini2.0---Pentax K-5
 
Sony A6500« »YstereomonoY-micro2.0YY-Sony A6500
 
Sony A99« »YstereomonoYYmini2.0---Sony A99
 
Sony A77« »YstereomonoY-mini2.0---Sony A77

It is notable that the K-3 has a headphone jack, which is not present on the X-T20 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 Pentax K-3 (unlike the X-T20) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The X-T20 is a recent model that features in the current product line-up of Fujifilm. In contrast, the K-3 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the K-3 was succeeded by the Pentax K-3 II. Further information on the two cameras, as well as related accessories, can be found on the official Pentax and Fujifilm websites.


Review summary: Pentax K-3 vs Fujifilm X-T20

So how do things add up? Is there a clear favorite between the Pentax K-3 and the Fujifilm X-T20? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Pentax K-3:

  • 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 (0.63x vs 0.62x).
  • Easier setting verification: Features an LCD display on top to control 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: Can take more shots (560 versus 350) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • 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 heavily discounted: Has been available for much longer (launched in October 2013).

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Reasons to prefer the Fujifilm X-T20:

  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60i).
  • Better video autofocus: Features on-sensor phase-detection for more confident movie autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (118x83mm vs 131x100mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 417g or 52 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • 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 (31 percent cheaper at launch).
  • More modern: Reflects 3 years and 3 months of technical progress since the K-3 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the K-3 comes out slightly ahead of the X-T20 (13 : 12 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera.

K-3 13:12 X-T20

Do the specifications of the Pentax K-3 and the Fujifilm X-T20 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings.

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 K-3 and the X-T20 in practical situations. 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: Pentax K-3 vs Fujifilm X-T20

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 (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog).

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Pentax K-3»-83/1005/54.5/55/5 Oct 2013 1,299- i Pentax K-3
 
Fujifilm X-T20«++82/1005/5-4.5/5 Jan 2017 899 i i Fujifilm X-T20
 
Canon 70D« »++83/1004.5/54.5/55/5 Jul 2013 1,199- i Canon 70D
 
Fujifilm X-T30« »++84/1004.5/5-4.5/5 Feb 2019 899 i i Fujifilm X-T30
 
Fujifilm X-A5« »+-4/54/53.5/5 Jan 2018 399 i i Fujifilm X-A5
 
Fujifilm X-T100« »+79/1004/5-4.5/5 May 2018 599 i i Fujifilm X-T100
 
Fujifilm X-E3« »+84/1004.5/54.5/54.5/5 Sep 2017 899 i i Fujifilm X-E3
 
Fujifilm X-T10« »++80/1005/54/55/5 May 2015 799- i Fujifilm X-T10
 
Nikon D7200« »++84/1004.5/54/54.5/5 Mar 2015 1,199- i Nikon D7200
 
Nikon D7100« »++85/1004.5/55/54.5/5 Feb 2013 1,199- i Nikon D7100
 
Pentax KP« »-82/1005/5-4.5/5 Jan 2017 1,099 i i Pentax KP
 
Pentax K-70« »-79/1004.5/54/54.5/5 Jun 2016 649 i i Pentax K-70
 
Pentax K-3 II« »--5/54.5/55/5 Apr 2015 1,099 i i Pentax K-3 II
 
Pentax K-5« »-83/1005/54.5/54.5/5 Sep 2010 1,099- i Pentax K-5
 
Sony A6500« »++85/1004.5/55/54.5/5 Oct 2016 1,399 i i Sony A6500
 
Sony A99« »-84/1004.5/5o4.5/5 Sep 2012 2,799- i Sony A99
 
Sony A77« »91/10081/100-4.5/55/5 Aug 2011 1,399- i Sony A77
Notes: ++) highly recommended; +) recommended; o) reviewed; -) not available.

The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Pentax K-3:
Check Ebay offers
Fujifilm X-T20:
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 make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Pentax K-3 vs Fujifilm X-T20

    Camera Specifications
    Camera Model Pentax K-3 Fujifilm X-T20
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Pentax K mount lenses Fujifilm X mount lenses
    Launch Date October 2013 January 2017
    Launch Price USD 1299 USD 899
    Sensor Specs Pentax K-3 Fujifilm X-T20
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.5 x 15.6 mm 23.6 x 15.6 mm
    Sensor Area 366.6 mm2 368.16 mm2
    Sensor Diagonal 28.2 mm 28.3 mm
    Crop Factor 1.5x 1.5x
    Sensor Resolution 24.1 Megapixels 24 Megapixels
    Image Resolution 6016 x 4000 pixels 6000 x 4000 pixels
    Pixel Pitch 3.90 μm 3.92 μm
    Pixel Density 6.56 MP/cm2 6.52 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/60i Video 4K/30p Video
    ISO Setting 100-51200 ISO 200-12800 ISO
    ISO Boost no Enhancement 100-51200 ISO
    Image Processor PRIME III X-Processor Pro2
    DXO Sensor Quality (score) 80 ..
    DXO Color Depth (bits) 23.7 ..
    DXO Dynamic Range (EV) 13.4 ..
    DXO Low Light (ISO) 1216 ..
    Screen Specs Pentax K-3 Fujifilm X-T20
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.63x 0.62x
    Viewfinder Resolution 2360k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2 inch 3.0 inch
    LCD Resolution 1037k dots 1040k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Pentax K-3 Fujifilm X-T20
    Autofocus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000/s 1/4000/s
    Continuous Shooting 8.3 shutter flaps/s 8 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/32000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Pentax K-3 Fujifilm X-T20
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Body Specs Pentax K-3 Fujifilm X-T20
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type D-LI90 power pack NP-W126S power pack
    Battery Life (CIPA)560 shots per charge350 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 131 x 100 x 77 mm
    (5.2 x 3.9 x 3.0 in)
    118 x 83 x 41 mm
    (4.6 x 3.3 x 1.6 in)
    Camera Weight 800 g (28.2 oz) 383 g (13.5 oz)

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