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Pentax K-3 vs Ricoh GR III

The Pentax K-3 and the Ricoh GR III are two digital cameras that were announced, respectively, in October 2013 and February 2019. The K-3 is a DSLR, while the GR III is a fixed lens compact. Both cameras are equipped with an APS-C sensor. The Pentax has a resolution of 24.1 megapixels, whereas the Ricoh provides 24 MP.

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

Headline Specifications
Pentax K-3   Ricoh GR III
Pentax K-3 Ricoh GR III
Digital single lens reflex Fixed lens compact camera
Pentax K mount lenses 28mm f/2.8
24.1 MP, APS-C Sensor 24 MP, APS-C Sensor
1080/60i Video 1080/60p Video
ISO 100-51200 ISO 100-102400
Optical viewfinder Viewfinder optional
3.2" LCD, 1037k dots 3.0" LCD, 1037k dots
Fixed screen (not touch-sensitive) Fixed touchscreen
8.3 shutter flaps per second 4 shutter flaps per second
In-body stabilizationIn-body stabilization
Weathersealed bodyNot weather sealed
560 shots per battery charge200 shots per battery charge
131 x 100 x 77 mm, 800 g 109 x 62 x 33 mm, 257 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax K-3 and the Ricoh GR III? 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: Pentax K-3 vs Ricoh GR III

The physical size and weight of the Pentax K-3 and the Ricoh GR III are illustrated in the side-by-side display below. 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 dimensions are rounded to the nearest millimeter.

The K-3 can be obtained in two different colors (black, silver), while the GR III is only available in black.

Size Pentax K-3 vs Ricoh GR III
Compare K-3 versus GR III top
Comparison K-3 or GR III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Ricoh GR III is considerably smaller (48 percent) than the Pentax K-3. It is worth mentioning in this context that the K-3 is splash and dust resistant, while the GR III does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the GR III has a lens built in, whereas the K-3 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.

The power pack in the GR III can be charged via the USB port, which can be very convenient 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, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

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
 
Ricoh GR III« 4.3 in 2.4 in 1.3 in 9.1 oz 200 n Feb 2019 899 i i Ricoh GR III
 
Canon 70D« » 5.5 in 4.1 in 3.1 in 26.6 oz 920 Y Jul 2013 1,199- i Canon 70D
 
Fujifilm XF10« » 4.4 in 2.5 in 1.6 in 9.8 oz 330 n Jul 2018 499 i i Fujifilm XF10
 
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
 
Panasonic GX9« » 4.9 in 2.8 in 1.9 in 14.4 oz 260 n Feb 2018 849 i i Panasonic GX9
 
Panasonic ZS200« » 4.4 in 2.6 in 1.8 in 12.0 oz 370 n Feb 2018 799 i i Panasonic ZS200
 
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
 
Ricoh GR II« » 4.6 in 2.5 in 1.4 in 8.9 oz 320 n Jun 2015 699 i i Ricoh GR II
 
Ricoh GR« » 4.6 in 2.4 in 1.4 in 8.6 oz 290 n Apr 2013 799- i Ricoh GR
 
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
Note: Measurements and pricing do not include easily detachable parts, such as 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 GR III was launched at a lower price than the K-3, despite having a lens built in. 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.

 

Sensor comparison: Pentax K-3 vs Ricoh GR III

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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor and have a format factor (sometimes also referred to as "crop factor") of 1.5. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors.

Pentax K-3 and Ricoh GR III sensor measures

While the two cameras under review share the same sensor size, the K-3 offers a slightly higher resolution of 24.1 megapixels, compared with 24 MP of the GR III. This megapixels advantage translates into a 0.3 percent gain in linear resolution. On the other hand, these sensor specs imply that the K-3 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.90μm versus 3.91μm for the GR III). Moreover, it should be noted that the GR III is much more recent (by 5 years and 4 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 individual 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 GR III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Pentax K-3 has a native sensitivity range from ISO 100 to ISO 51200. The corresponding ISO settings for the Ricoh GR III are ISO 100 to ISO 102400 (no boost).

K-3 versus GR III 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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar 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
 
Ricoh GR III« APS-C 24.0 6000 40001080/60p----Ricoh GR III
 
Canon 70D« » APS-C 20.0 5472 36481080/30p22.511.692668Canon 70D
 
Fujifilm XF10« » APS-C 24.0 6000 40004K/15p----Fujifilm XF10
 
Nikon D7200« » APS-C 24.0 6000 40001080/60p24.514.6133387Nikon D7200
 
Nikon D7100« » APS-C 24.0 6000 40001080/60p24.213.7125683Nikon D7100
 
Panasonic GX9« » Four Thirds 20.2 5184 38884K/30p----Panasonic GX9
 
Panasonic ZS200« » 1-inch 20.0 5472 36484K/30p----Panasonic ZS200
 
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
 
Ricoh GR II« » APS-C 16.1 4928 32641080/30p23.613.7107880Ricoh GR II
 
Ricoh GR« » APS-C 16.1 4928 32641080/30p23.613.597278Ricoh GR
 
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 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 GR III provides a faster frame rate than the K-3. It can shoot movie footage at 1080/60p, while the Pentax is limited to 1080/60i.

 

Feature comparison: Pentax K-3 vs Ricoh GR III

Beyond body and sensor, cameras can and do differ across a range of features. For example, the K-3 has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the GR III relies on live view and the rear LCD for framing. That said, the GR III can be equipped with an optional viewfinder – the GV-1. The adjacent table lists some of the other core features of the Pentax K-3 and Ricoh GR III along with similar information for a selection of comparators.

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
 
Ricoh GR III«- n 3.0 1037 fixed Y 1/4000s 4.0 n Y Ricoh GR III
 
Canon 70D« »optical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n Canon 70D
 
Fujifilm XF10« »- n 3.0 1040 fixed Y 1/4000s 6.0 Y n Fujifilm XF10
 
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
 
Panasonic GX9« »2760 n 3.0 1240 tilting Y 1/4000s 9.0 Y Y Panasonic GX9
 
Panasonic ZS200« »2330 n 3.0 1240 fixed Y 1/2000s 10.0 Y Y Panasonic ZS200
 
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
 
Ricoh GR II« »- n 3.0 1230 fixed n 1/4000s 4.0 Y n Ricoh GR II
 
Ricoh GR« »- n 3.0 1230 fixed n 1/4000s 4.0 Y n Ricoh GR
 
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 difference between the cameras concerns the presence of an on-board flash. The K-3 has one, while the GR III does not. While the built-in flash of the K-3 is not very powerful, it can at times be useful as a fill-in light.

The Pentax K-3 and the Ricoh GR III 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 GR III 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 GR III 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 Ricoh GR III

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 Ricoh GR III 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
 
Ricoh GR III«Ystereomono---3.0Y-YRicoh GR III
 
Canon 70D« »YstereomonoY-mini2.0Y--Canon 70D
 
Fujifilm XF10« »-stereomonoY-micro2.0Y-YFujifilm XF10
 
Nikon D7200« »YstereomonoYYmini2.0YY-Nikon D7200
 
Nikon D7100« »YstereomonoYYmini2.0---Nikon D7100
 
Panasonic GX9« »Ystereomono--micro2.0Y-YPanasonic GX9
 
Panasonic ZS200« »-stereomono--micro2.0Y--Panasonic ZS200
 
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
 
Ricoh GR II« »Ystereomono--micro2.0YY-Ricoh GR II
 
Ricoh GR« »Ymonomono--micro2.0---Ricoh GR
 
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 microphone port, which is missing on the GR III. 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 Pentax K-3 (unlike the GR III) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The GR III is a recent model that features in the current product line-up of Ricoh. 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 (e.g. user guides, manuals), as well as related accessories, can be found on the official Pentax and Ricoh websites.


Review summary: Pentax K-3 vs Ricoh GR III

So what is the bottom line? Which of the two cameras – the Pentax K-3 or the Ricoh GR III – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Pentax K-3:

  • 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 framing and settings control.
  • 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.
  • Faster burst: Shoots at higher frequency (8.3 vs 4 flaps/sec) to capture the decisive moment.
  • More flexible: Can take a variety of interchangeable lenses, including specialty optics.
  • Longer lasting: Can take more shots (560 versus 200) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • 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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Advantages of the Ricoh GR III:

  • Better video: Provides higher movie framerates (1080/60p versus 1080/60i).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Ready to shoot: Comes with an integrated lens, while the K-3 requires a separate lens.
  • More compact: Is smaller (109x62mm vs 131x100mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the K-3).
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Reflects 5 years and 4 months of technical progress since the K-3 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the K-3 is the clear winner of the match-up (14 : 10 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.

K-3 14:10 GR III

How about other alternatives? Do the specifications of the Pentax K-3 and the Ricoh GR III place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Prime Lens Compact Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains incomplete and does no justice, for example, to the way the K-3 or the GR III perform in practice. 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 Ricoh GR III

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, 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.

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
 
Ricoh GR III«-81/1004/5-- Feb 2019 899 i i Ricoh GR III
 
Canon 70D« »+ +83/1004.5/54.5/55/5 Jul 2013 1,199- i Canon 70D
 
Fujifilm XF10« »-75/1004/5-4.5/5 Jul 2018 499 i i Fujifilm XF10
 
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
 
Panasonic GX9« »+84/1004.5/54.5/54.5/5 Feb 2018 849 i i Panasonic GX9
 
Panasonic ZS200« »+ +81/1004.5/5-4.5/5 Feb 2018 799 i i Panasonic ZS200
 
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
 
Ricoh GR II« »--4.5/54.5/54.5/5 Jun 2015 699 i i Ricoh GR II
 
Ricoh GR« »-79/1004.5/54.5/54.5/5 Apr 2013 799- i Ricoh GR
 
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.

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 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
Ricoh GR III:
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 Ricoh GR III

    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 Pentax K-3 Ricoh GR III
    Camera Type Digital single lens reflex Fixed lens compact camera
    Camera Lens Pentax K mount lenses 28mm f/2.8
    Launch Date October 2013 February 2019
    Launch Price USD 1299 USD 899
    Sensor Specs Pentax K-3 Ricoh GR III
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.5 x 15.6 mm 23.5 x 15.6 mm
    Sensor Area 366.6 mm2 366.6 mm2
    Sensor Diagonal 28.2 mm 28.2 mm
    Crop Factor 1.5x 1.5x
    Sensor Resolution 24.1 Megapixels 24 Megapixels
    Image Resolution 6016 x 4000 pixels 6000 x 4000 pixels
    Pixel Pitch 3.90 μm 3.91 μm
    Pixel Density 6.56 MP/cm2 6.55 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/60i Video 1080/60p Video
    ISO Setting 100-51200 ISO 100-102400 ISO
    Image Processor PRIME III GR Engine VI
    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 Ricoh GR III
    Viewfinder Type Optical viewfinder Viewfinder optional
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.63x
    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 1037k dots
    LCD Attachment Fixed screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Pentax K-3 Ricoh GR III
    Autofocus System Phase-detect AF On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingNo Peaking Feature
    Continuous Shooting 8.3 shutter flaps/s 4 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationIn-body stabilization
    Fill Flash Build-in Flash no On-Board 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 Ricoh GR III
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 3.0
    HDMI Port mini HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Pentax K-3 Ricoh GR III
    Environmental SealingWeathersealed bodyNot weather sealed
    Battery Type D-LI90 power pack DB-110 power pack
    Battery Life (CIPA)560 shots per charge200 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)
    109 x 62 x 33 mm
    (4.3 x 2.4 x 1.3 in)
    Camera Weight 800 g (28.2 oz) 257 g (9.1 oz)

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