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Panasonic GH2 vs Pentax K-3 III

The Panasonic Lumix DMC-GH2 and the Pentax K-3 III are two enthusiast cameras that were announced, respectively, in September 2010 and March 2021. The GH2 is a mirrorless interchangeable lens camera, while the K-3 III is a DSLR. The cameras are based on a Four Thirds (GH2) and an APS-C (K-3 III) sensor. The Panasonic has a resolution of 15.9 megapixels, whereas the Pentax provides 25.6 MP.

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

Headline Specifications
Panasonic GH2
versus
Pentax K-3 III
Panasonic GH2   Pentax K-3 III
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Pentax K mount lenses
15.9 MP – Four Thirds sensor 25.6 MP – APS-C sensor
1080/60i Video 4K/30p Video
ISO 160-12,800 ISO 100-160,000
Electronic viewfinder (1534k dots) Optical viewfinder
3.0" LCD – 460k dots 3.2" LCD – 1620k dots
Swivel screen (not touch-sensitive) Fixed touchscreen
3 shutter flaps per second 12 shutter flaps per second
Lens stabilization onlyIn-body stabilization
not weather sealedWeathersealed body
330 shots per battery charge800 shots per battery charge
124 x 90 x 76 mm, 442 g 135 x 104 x 74 mm, 820 g
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Check GH2 offers at
ebay.com
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Check K-3 III price at
amazon.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-GH2 and the Pentax K-3 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.

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Body comparison

The physical size and weight of the Panasonic GH2 and the Pentax K-3 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 measures are rounded to the nearest millimeter.

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

Size Panasonic GH2 vs Pentax K-3 III
Compare GH2 versus K-3 III top
Comparison GH2 or K-3 III 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 III is notably larger (26 percent) than the Panasonic GH2. Moreover, the K-3 III is substantially heavier (86 percent) than the GH2. It is noteworthy in this context that the K-3 III is splash and dust-proof, while the GH2 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 GH2 gets 330 shots out of its Panasonic DMW-BLC12 battery, while the K-3 III can take 800 images on a single charge of its Pentax D-LI90 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Panasonic GH2 124 mm 90 mm 76 mm 442 g 330 n Sep 2010 US$ 899ebay.com
2.
 
Pentax K-3 III 135 mm 104 mm 74 mm 820 g 800 Y Mar 2021 US$ 1 999 amazon.com
3.
 
Fujifilm X-H1 140 mm 97 mm 86 mm 673 g 310 Y Feb 2018 US$ 1 899ebay.com
4.
 
Panasonic G2 124 mm 84 mm 74 mm 428 g 360 n Mar 2010 US$ 599ebay.com
5.
 
Panasonic G3 115 mm 84 mm 47 mm 336 g 270 n May 2011 US$ 599ebay.com
6.
 
Panasonic G10 124 mm 84 mm 74 mm 388 g 380 n Mar 2010 US$ 499ebay.com
7.
 
Panasonic GF1 119 mm 71 mm 36 mm 385 g 380 n Sep 2009 US$ 749ebay.com
8.
 
Panasonic GH1 124 mm 90 mm 45 mm 385 g 300 n Mar 2009 US$ 899ebay.com
9.
 
Panasonic GH3 133 mm 93 mm 82 mm 550 g 540 Y Sep 2012 US$ 1 299ebay.com
10.
 
Panasonic GM1 99 mm 55 mm 30 mm 204 g 230 n Oct 2013 US$ 749ebay.com
11.
 
Panasonic GM5 99 mm 60 mm 36 mm 211 g 220 n Sep 2014 US$ 749ebay.com
12.
 
Panasonic GX7 123 mm 71 mm 55 mm 402 g 350 n Aug 2013 US$ 999ebay.com
13.
 
Panasonic GX85 122 mm 71 mm 44 mm 426 g 290 n Apr 2016 US$ 799 amazon.com
14.
 
Pentax K-3 131 mm 100 mm 77 mm 800 g 560 Y Oct 2013 US$ 1 299ebay.com
15.
 
Pentax K-3 II 131 mm 100 mm 77 mm 800 g 720 Y Apr 2015 US$ 1 099ebay.com
16.
 
Pentax K-70 126 mm 93 mm 74 mm 688 g 410 Y Jun 2016 US$ 649ebay.com
17.
 
Pentax KP 132 mm 101 mm 76 mm 703 g 390 Y Jan 2017 US$ 1 099ebay.com
Note: 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 GH2 was launched at a markedly lower price (by 55 percent) than the K-3 III, 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 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Panasonic GH2 features a Four Thirds sensor and the Pentax K-3 III an APS-C sensor. The sensor area in the K-3 III is 60 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.5. The sensor in the GH2 has a native 4:3 aspect ratio, while the one in the K-3 III offers a 3:2 aspect.

Panasonic GH2 and Pentax K-3 III sensor measures

With 25.6MP, the K-3 III offers a higher resolution than the GH2 (15.9MP), but the K-3 III nevertheless has the same individual pixel size (pixel pitch of 3.76μm) as the GH2 due to its larger sensor. Moreover, the K-3 III is a much more recent model (by 10 years and 6 months) than the GH2, 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 the K-3 III 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 III implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-3 III for good quality output (200 dots per inch) amounts to 31 x 20.6 inches or 78.6 x 52.4 cm, for very good quality (250 dpi) 24.8 x 16.5 inches or 62.9 x 41.9 cm, and for excellent quality (300 dpi) 20.6 x 13.8 inches or 52.4 x 35 cm. The corresponding values for the Panasonic GH2 are 23 x 17.3 inches or 58.5 x 43.9 cm for good quality, 18.4 x 13.8 inches or 46.8 x 35.1 cm for very good quality, and 15.4 x 11.5 inches or 39 x 29.3 cm for excellent quality prints.

Unlike the GH2, the K-3 III has the capacity to capture high quality composite images (YESMP) 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 Panasonic Lumix DMC-GH2 has a native sensitivity range from ISO 160 to ISO 12800. The corresponding ISO settings for the Pentax K-3 III are ISO 100 to ISO 160000 (no boost).

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

GH2 versus K-3 III 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.

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Sensor Characteristics
  empty Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
2.
 
Pentax K-3 III APS-C 25.6 6192 41284K/30p24.213.7208385
3.
 
Fujifilm X-H1 APS-C 24.0 6000 40004K/30p24.013.3180682
4.
 
Panasonic G2 Four Thirds 12.0 4000 3000720/30p21.210.349353
5.
 
Panasonic G3 Four Thirds 15.8 4592 34481080/60i21.010.666756
6.
 
Panasonic G10 Four Thirds 12.0 4000 3000720/30p21.210.141152
7.
 
Panasonic GF1 Four Thirds 12.0 4000 3000720/30p21.210.351354
8.
 
Panasonic GH1 Four Thirds 12.0 4000 30001080/24p21.611.677264
9.
 
Panasonic GH3 Four Thirds 15.9 4608 34561080/60p22.712.481271
10.
 
Panasonic GM1 Four Thirds 15.8 4592 34481080/60i22.311.766066
11.
 
Panasonic GM5 Four Thirds 15.8 4592 34481080/60p22.111.772166
12.
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870
13.
 
Panasonic GX85 Four Thirds 15.8 4592 34484K/30p22.912.666271
14.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
15.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
16.
 
Pentax K-70 APS-C 24.0 6000 40001080/60i23.813.1163980
17.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the K-3 III provides a better video resolution than the GH2. It can shoot movie footage at 4K/30p, while the Panasonic is limited to 1080/60i.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the GH2 has an electronic viewfinder (1534k dots), while the K-3 III 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 GH2 has a higher magnification than the one of the K-3 III (0.71x vs 0.70x), 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 Panasonic GH2 and Pentax K-3 III in connection with corresponding information for a sample of similar cameras.

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Core Features
  empty 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.
 
Panasonic GH21534 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
2.
 
Pentax K-3 IIIoptical Y3.2 / 1620 fixed Y 1/8000s 12.0/s n Y
3.
 
Fujifilm X-H13690 Y3.0 / 1040 full-flex Y 1/8000s 14.0/s n Y
4.
 
Panasonic G21440 n3.0 / 460 swivel Y 1/4000s 2.6/s Y n
5.
 
Panasonic G31440 n3.0 / 460 swivel Y 1/4000s 4.0/s Y n
6.
 
Panasonic G10202 n3.0 / 460 fixed n 1/4000s 2.6/s Y n
7.
 
Panasonic GF1optional n3.0 / 460 fixed n 1/4000s 3.0/s Y n
8.
 
Panasonic GH11440 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
9.
 
Panasonic GH31746 n3.0 / 614 swivel Y 1/4000s 6.0/s Y n
10.
 
Panasonic GM1none n3.0 / 1036 fixed Y 1/500s 5.0/s Y n
11.
 
Panasonic GM51166 n3.0 / 921 fixed Y 1/500s 5.8/s n n
12.
 
Panasonic GX72760 n3.0 / 1040 tilting Y 1/8000s 5.0/s Y Y
13.
 
Panasonic GX852765 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y Y
14.
 
Pentax K-3optical Y3.2 / 1037 fixed n 1/8000s 8.3/s Y Y
15.
 
Pentax K-3 IIoptical Y3.2 / 1037 fixed n 1/8000s 8.3/s n Y
16.
 
Pentax K-70optical n3.0 / 921 swivel n 1/6000s 6.0/s Y Y
17.
 
Pentax KPoptical n3.0 / 921 tilting n 1/6000s 7.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The GH2 has one, while the K-3 III does not. While the built-in flash of the GH2 is not very powerful, it can at times be useful as a fill-in light.

The GH2 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 III does not have a selfie-screen.

The Pentax K-3 III has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the GH2 and the K-3 III write their files to SDXC cards. The K-3 III features dual card slots, which can be very useful in case a memory card fails. In contrast, the GH2 only has one slot. The K-3 III supports UHS-II cards on its first slot and UHS-I on its second one, while the GH2 cannot take advantage of Ultra High Speed SD cards.

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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 Panasonic Lumix DMC-GH2 and Pentax K-3 III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Panasonic GH2Ystereo / monoY-mini2.0---
2.
 
Pentax K-3 IIIYstereo / monoYYmicro3.2Y-Y
3.
 
Fujifilm X-H1Ystereo / monoY-micro3.0Y--
4.
 
Panasonic G2Ystereo / mono--mini2.0---
5.
 
Panasonic G3Ystereo / mono--mini2.0---
6.
 
Panasonic G10Ymono / ---mini2.0---
7.
 
Panasonic GF1Ymono / mono--mini2.0---
8.
 
Panasonic GH1Ystereo / -Y-mini2.0---
9.
 
Panasonic GH3Ystereo / monoYYmini2.0Y--
10.
 
Panasonic GM1-stereo / mono--micro2.0Y--
11.
 
Panasonic GM5Ystereo / mono--micro2.0Y--
12.
 
Panasonic GX7Ystereo / mono--mini2.0YY-
13.
 
Panasonic GX85Ystereo / mono--micro2.0Y--
14.
 
Pentax K-3Ymono / monoYYmini3.0---
15.
 
Pentax K-3 IIYmono / monoYYmini3.0---
16.
 
Pentax K-70Ystereo / monoY-mini2.0Y--
17.
 
Pentax KPYstereo / monoY--2.0Y--

It is notable that the K-3 III offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the GH2 does not provide wifi capability.

Studio photographers will appreciate that the Pentax K-3 III (unlike the GH2) 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 III has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The K-3 III is a recent model that features in the current product line-up of Pentax. In contrast, the GH2 has been discontinued (but can be found pre-owned on ebay). As a replacement in the same line of cameras, the GH2 was succeeded by the Panasonic GH3. Further information on the features and operation of the GH2 and K-3 III can be found, respectively, in the Panasonic GH2 Manual (free pdf) or the online Pentax K-3 III Manual.

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Review summary

So what conclusions can be drawn? Is the Panasonic GH2 better than the Pentax K-3 III or vice versa? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Panasonic Lumix DMC-GH2:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.71x vs 0.70x).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • More compact: Is smaller (124x90mm vs 135x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 378g or 46 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.
  • More affordable: Was introduced into a lower priced category (55 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in September 2010).

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Advantages of the Pentax K-3 III:

  • More detail: Has more megapixels (25.6 vs 15.9MP), which boosts linear resolution by 29%.
  • 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 image quality: Is equipped with a larger and more technologically advanced sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60i).
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • 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 (1620k vs 460k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (12 vs 3 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 (800 versus 330) 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 (3.2 vs 2.0).
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II and UHS-I) SDXC cards.
  • More modern: Reflects 10 years and 6 months of technical progress since the GH2 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the K-3 III is the clear winner of the contest (28 : 11 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.

GH2 11:28 K-3 III

How about other alternatives? Do the specifications of the Panasonic GH2 and the Pentax K-3 III 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 GH2 or the K-3 III. 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 table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Expert Camera Reviews
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Panasonic GH25/5+ +..79/1004.5/55/5 Sep 2010 US$ 899ebay.com
2.
 
Pentax K-3 III4/5..3/5..4.5/5.. Mar 2021 US$ 1 999 amazon.com
3.
 
Fujifilm X-H1..+5/586/1004.5/54.5/5 Feb 2018 US$ 1 899ebay.com
4.
 
Panasonic G2......72/1004/54.5/5 Mar 2010 US$ 599ebay.com
5.
 
Panasonic G33/5+ +..75/1004.5/55/5 May 2011 US$ 599ebay.com
6.
 
Panasonic G103/5....70/1004/54/5 Mar 2010 US$ 499ebay.com
7.
 
Panasonic GF1..85/100..69/1004.5/54.5/5 Sep 2009 US$ 749ebay.com
8.
 
Panasonic GH1..+ +..72/1004.5/54.5/5 Mar 2009 US$ 899ebay.com
9.
 
Panasonic GH35/5+ +..79/1004.5/54.5/5 Sep 2012 US$ 1 299ebay.com
10.
 
Panasonic GM13/5+..78/1005/54.5/5 Oct 2013 US$ 749ebay.com
11.
 
Panasonic GM53.5/5+..77/1005/54.5/5 Sep 2014 US$ 749ebay.com
12.
 
Panasonic GX74/5+..79/1005/55/5 Aug 2013 US$ 999ebay.com
13.
 
Panasonic GX854.5/5+ +..82/1005/55/5 Apr 2016 US$ 799 amazon.com
14.
 
Pentax K-34/5....83/1005/55/5 Oct 2013 US$ 1 299ebay.com
15.
 
Pentax K-3 II4.5/5......5/55/5 Apr 2015 US$ 1 099ebay.com
16.
 
Pentax K-704.5/5..4/579/1004.5/54.5/5 Jun 2016 US$ 649ebay.com
17.
 
Pentax KP4/5..3/582/1005/54.5/5 Jan 2017 US$ 1 099ebay.com
Note: (+ +) 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 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.

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Check K-3 III price at
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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. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Panasonic GH2 vs Pentax K-3 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 Panasonic GH2 Pentax K-3 III
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Pentax K mount lenses
    Launch Date September 2010 March 2021
    Launch Price USD 899 USD 1,999
    Sensor Specs Panasonic GH2 Pentax K-3 III
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor APS-C Sensor
    Sensor Size 17.3 x 13.0 mm 23.3 x 15.5 mm
    Sensor Area 224.9 mm2 361.15 mm2
    Sensor Diagonal 21.6 mm 28 mm
    Crop Factor 2.0x 1.5x
    Sensor Resolution 15.9 Megapixels 25.6 Megapixels
    Image Resolution 4608 x 3456 pixels 6192 x 4128 pixels
    Pixel Pitch 3.76 μm 3.76 μm
    Pixel Density 7.08 MP/cm2 7.08 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/60i Video 4K/30p Video
    ISO Setting 160 - 12,800 ISO 100 - 160,000 ISO
    Image Processor Venus FHD PRIME V
    DXO Sensor Quality (score) 60 ..
    DXO Color Depth (bits) 21.2 ..
    DXO Dynamic Range (EV) 11.3 ..
    DXO Low Light (ISO) 655 ..
    Screen Specs Panasonic GH2 Pentax K-3 III
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.71x 0.70x
    Viewfinder Resolution 1534k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 460k dots 1620k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Panasonic GH2 Pentax K-3 III
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 3 shutter flaps/s 12 shutter flaps/s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-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 no Single UHS-II
    Connectivity Specs Panasonic GH2 Pentax K-3 III
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.2
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Geotagging no internal GPS GPS built-in
    Body Specs Panasonic GH2 Pentax K-3 III
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Panasonic DMW-BLC12 Pentax D-LI90
    Battery Life (CIPA)330 shots per charge800 shots per charge
    Body Dimensions 124 x 90 x 76 mm
    (4.9 x 3.5 x 3.0 in)
    135 x 104 x 74 mm
    (5.3 x 4.1 x 2.9 in)
    Camera Weight 442 g (15.6 oz) 820 g (28.9 oz)
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