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Panasonic GH1 vs Pentax K-1

The Panasonic Lumix DMC-GH1 and the Pentax K-1 are two enthusiast cameras that were revealed to the public, respectively, in March 2009 and February 2016. The GH1 is a mirrorless interchangeable lens camera, while the K-1 is a DSLR. The cameras are based on a Four Thirds (GH1) and a full frame (K-1) sensor. The Panasonic has a resolution of 12 megapixels, whereas the Pentax provides 36.2 MP.

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

Headline Specifications
Panasonic GH1 VS Pentax K-1
Panasonic GH1 Pentax K-1
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Pentax K mount lenses
12 MP, Four Thirds Sensor 36.2 MP, Full Frame Sensor
1080/24p Video 1080/60i Video
ISO 100-1600 (100-3200) ISO 100-204800
Electronic viewfinder (1440k dots) Optical viewfinder
3.0" LCD, 460k dots 3.2" LCD, 1037k dots
Swivel screen (not touch-sensitive) Fully flexible screen (no touchscreen)
3 shutter flaps per second 4.4 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Not weather sealedWeathersealed body
300 shots per battery charge760 shots per battery charge
124 x 90 x 45 mm, 385 g 137 x 110 x 86 mm, 1010 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-GH1 and the Pentax K-1? 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 Panasonic GH1 and the Pentax K-1 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.

The GH1 can be obtained in two different colors (black, red), while the K-1 is also available in two color-versions, but different ones (black, silver).

Size Panasonic GH1 vs Pentax K-1
Compare GH1 versus K-1 top
Comparison GH1 or K-1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax K-1 is notably larger (35 percent) than the Panasonic GH1. Moreover, the K-1 is substantially heavier (162 percent) than the GH1. It is noteworthy in this context that the K-1 is splash and dust-proof, while the GH1 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 GH1 gets 300 shots out of its DMW-BLB13 battery, while the K-1 can take 760 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. 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)
Camera
Model
 
Panasonic GH1» 4.9 in 3.5 in 1.8 in 13.6 oz 300 n Mar 2009 899iPanasonic GH1
 
Pentax K-1« 5.4 in 4.3 in 3.4 in 35.6 oz 760 Y Feb 2016 1,799iPentax K-1
 
Canon 5D Mark IV« » 5.9 in 4.6 in 3.0 in 31.4 oz 900 Y Aug 2016 3,499 iCanon 5D Mark IV
 
Nikon D500« » 5.8 in 4.5 in 3.2 in 30.3 oz 1240 Y Jan 2016 1,999 iNikon D500
 
Olympus E-M1 II« » 5.3 in 3.6 in 2.6 in 20.2 oz 440 Y Sep 2016 1,999 iOlympus E-M1 II
 
Olympus E-P1« » 4.8 in 2.8 in 1.4 in 12.5 oz 300 n Jun 2009 799iOlympus E-P1
 
Olympus E-P2« » 4.8 in 2.8 in 1.4 in 12.5 oz 300 n Nov 2009 799iOlympus E-P2
 
Panasonic LX100« » 4.5 in 2.6 in 2.2 in 13.9 oz 300 n Sep 2014 899 iPanasonic LX100
 
Panasonic GX1« » 4.6 in 2.7 in 1.5 in 11.2 oz 320 n Nov 2011 699iPanasonic GX1
 
Panasonic G10« » 4.9 in 3.3 in 2.9 in 13.7 oz 380 n Mar 2010 499iPanasonic G10
 
Panasonic G2« » 4.9 in 3.3 in 2.9 in 15.1 oz 360 n Mar 2010 599iPanasonic G2
 
Panasonic GF2« » 4.4 in 2.7 in 1.3 in 10.9 oz 300 n Nov 2010 549iPanasonic GF2
 
Panasonic GH2« » 4.9 in 3.5 in 3.0 in 15.6 oz 330 n Sep 2010 899iPanasonic GH2
 
Panasonic GF1« » 4.7 in 2.8 in 1.4 in 13.6 oz 380 n Sep 2009 749iPanasonic GF1
 
Panasonic G1« » 4.9 in 3.3 in 1.8 in 12.7 oz 410 n Sep 2008 599iPanasonic G1
 
Pentax K-1 II« » 5.4 in 4.3 in 3.4 in 35.6 oz 670 Y Feb 2018 1,999 iPentax K-1 II
 
Sony A99 II« » 5.6 in 4.1 in 3.0 in 29.9 oz 490 Y Sep 2016 3,199 iSony A99 II
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. 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 GH1 was launched at a markedly lower price (by 50 percent) than the K-1, 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

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.

Of the two cameras under consideration, the Panasonic GH1 features a Four Thirds sensor and the Pentax K-1 a full frame sensor. The sensor area in the K-1 is 283 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.0. The sensor in the GH1 has a native 4:3 aspect ratio, while the one in the K-1 offers a 3:2 aspect.

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

Panasonic GH1 and Pentax K-1 sensor measures

With 36.2MP, the K-1 offers a higher resolution than the GH1 (12MP), but the K-1 nevertheless has larger individual pixels (pixel pitch of 4.88μm versus 4.33μm for the GH1) due to its larger sensor. Moreover, the K-1 is a much more recent model (by 6 years and 11 months) than the GH1, 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 the K-1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Pentax K-1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the K-1 for good quality output (200 dots per inch) amounts to 36.8 x 24.6 inch or 93.5 x 62.4 cm, for very good quality (250 dpi) 29.4 x 19.6 inch or 74.8 x 49.9 cm, and for excellent quality (300 dpi) 24.5 x 16.4 inch or 62.3 x 41.6 cm. The corresponding values for the Panasonic GH1 are 20 x 15 inch or 50.8 x 38.1 cm for good quality, 16 x 12 inch or 40.6 x 30.5 cm for very good quality, and 13.3 x 10 inch or 33.9 x 25.4 cm for excellent quality prints.

Unlike the GH1, the K-1 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 Panasonic Lumix DMC-GH1 has a native sensitivity range from ISO 100 to ISO 1600, which can be extended to ISO 100-3200. The corresponding ISO settings for the Pentax K-1 are ISO 100 to ISO 204800 (no boost).

GH1 versus K-1 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. Of the two cameras under consideration, the K-1 offers substantially better image quality than the GH1 (overall score 32 points higher). The advantage is based on 3.8 bits higher color depth, 3 EV in additional dynamic range, and 2.1 stops in additional low light sensitivity. 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
 
Panasonic GH1 Four Thirds 12.0 4000 30001080/24p21.611.677264Panasonic GH1
 
Pentax K-1 Full Frame 36.2 7360 49121080/60i25.414.6328096Pentax K-1
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.6299591Canon 5D Mark IV
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483Nikon D500
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280Olympus E-M1 II
 
Olympus E-P1 Four Thirds 12.2 4032 3024720/30p21.410.453655Olympus E-P1
 
Olympus E-P2 Four Thirds 12.2 4032 3024720/30p21.510.450556Olympus E-P2
 
Panasonic LX100 Four Thirds 12.7 4112 30884K/30p22.312.555367Panasonic LX100
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355Panasonic GX1
 
Panasonic G10 Four Thirds 12.0 4000 3000720/30p21.210.141152Panasonic G10
 
Panasonic G2 Four Thirds 12.0 4000 3000720/30p21.210.349353Panasonic G2
 
Panasonic GF2 Four Thirds 12.0 4000 30001080/60i21.210.350654Panasonic GF2
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560Panasonic GH2
 
Panasonic GF1 Four Thirds 12.0 4000 3000720/30p21.210.351354Panasonic GF1
 
Panasonic G1 Four Thirds 12.0 4000 3000none21.110.346353Panasonic G1
 
Pentax K-1 II Full Frame 36.2 7360 49121080/60i........Pentax K-1 II
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792Sony A99 II

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 K-1 provides a faster frame rate than the GH1. It can shoot movie footage at 1080/60i, while the Panasonic is limited to 1080/24p.

 

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the GH1 has an electronic viewfinder (1440k dots), while the K-1 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%), as well as the same magnification (0.70x). The table below summarizes some of the other core capabilities of the Panasonic GH1 and Pentax K-1 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
 
Panasonic GH11440 n 3.0 460 swivel n 1/4000s 3.0 Y n Panasonic GH1
 
Pentax K-1optical Y 3.2 1037 full-flex n 1/8000s 4.4 n Y Pentax K-1
 
Canon 5D Mark IVoptical Y 3.2 1620 fixed Y 1/8000s 7.0 n n Canon 5D Mark IV
 
Nikon D500optical Y 3.2 2359 tilting Y 1/8000s 10.0 n n Nikon D500
 
Olympus E-M1 II2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y Olympus E-M1 II
 
Olympus E-P1none n 3.0 230 fixed n 1/4000s 3.0 n Y Olympus E-P1
 
Olympus E-P2optional n 3.0 230 fixed n 1/4000s 3.0 n Y Olympus E-P2
 
Panasonic LX1002764 n 3.0 921 fixed n 1/4000s 11.0 n Y Panasonic LX100
 
Panasonic GX1optional n 3.0 460 fixed Y 1/4000s 4.2 Y n Panasonic GX1
 
Panasonic G10202 n 3.0 460 fixed n 1/4000s 2.6 Y n Panasonic G10
 
Panasonic G21440 n 3.0 460 swivel Y 1/4000s 2.6 Y n Panasonic G2
 
Panasonic GF2optional n 3.0 460 fixed Y 1/4000s 2.6 Y n Panasonic GF2
 
Panasonic GH21534 n 3.0 460 swivel n 1/4000s 3.0 Y n Panasonic GH2
 
Panasonic GF1optional n 3.0 460 fixed n 1/4000s 3.0 Y n Panasonic GF1
 
Panasonic G11440 n 3.0 460 swivel n 1/4000s 3.0 Y n Panasonic G1
 
Pentax K-1 IIoptical Y 3.2 1037 full-flex n 1/8000s 4.4 n Y Pentax K-1 II
 
Sony A99 II2400 Y 3.0 1229 full-flex n 1/8000s 12.0 n Y Sony A99 II

One difference between the cameras concerns the presence of an on-board flash. The GH1 has one, while the K-1 does not. While the built-in flash of the GH1 is not very powerful, it can at times be useful as a fill-in light.

The GH1 has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the K-1 does not have a selfie-screen.

The Pentax K-1 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 GH1 writes its imaging data to SDHC cards, while the K-1 uses SDXC cards. The K-1 features dual card slots, which can be very useful in case a memory card fails. In contrast, the GH1 only has one slot. The K-1 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the GH1 cannot take advantage of Ultra High Speed SD cards.

 

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-GH1 and Pentax K-1 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
Port
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Panasonic GH1YstereononeY-mini2.0---Panasonic GH1
 
Pentax K-1YstereomonoYYmicro2.0Y--Pentax K-1
 
Canon 5D Mark IVYmonomonoYYmini3.0YY-Canon 5D Mark IV
 
Nikon D500YstereomonoYYmini3.0YYYNikon D500
 
Olympus E-M1 IIYstereomonoYYmicro3.0Y--Olympus E-M1 II
 
Olympus E-P1Ystereonone--mini2.0---Olympus E-P1
 
Olympus E-P2Ystereonone--mini2.0---Olympus E-P2
 
Panasonic LX100Ystereomono--micro2.0YY-Panasonic LX100
 
Panasonic GX1Ystereomono--mini2.0---Panasonic GX1
 
Panasonic G10Ymononone--mini2.0---Panasonic G10
 
Panasonic G2Ystereomono--mini2.0---Panasonic G2
 
Panasonic GF2Ystereomono--mini2.0---Panasonic GF2
 
Panasonic GH2YstereomonoY-mini2.0---Panasonic GH2
 
Panasonic GF1Ymonomono--mini2.0---Panasonic GF1
 
Panasonic G1Ynonenone--mini2.0---Panasonic G1
 
Pentax K-1 IIYstereomonoYYmicro2.0Y--Pentax K-1 II
 
Sony A99 IIYstereomonoYYmicro2.0YYYSony A99 II

It is notable that the K-1 offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the GH1 does not offer wifi capability.

Studio photographers will appreciate that the Pentax K-1 (unlike the GH1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

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

Both the GH1 and the K-1 have been discontinued, but can regularly be found used on eBay. The GH1 was replaced by the Panasonic GH2, while the K-1 was followed by the Pentax K-1 II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Panasonic and Pentax websites.

Review summary

So how do things add up? Is there a clear favorite between the Panasonic GH1 and the Pentax K-1? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Panasonic Lumix DMC-GH1:

  • 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.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • More compact: Is smaller (124x90mm vs 137x110mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 625g or 62 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 (50 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in March 2009).

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Reasons to prefer the Pentax K-1:

  • More detail: Has more megapixels (36.2 vs 12MP), which boosts linear resolution by 77%.
  • 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: Scores substantially higher (32 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (3.8 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (3 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2.1 stops ISO advantage).
  • Better video: Provides higher movie framerates (1080/60i versus 1080/24p).
  • 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 (1037k vs 460k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (4.4 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 (760 versus 300) 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.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • 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: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 6 years and 11 months of technical progress since the GH1 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the K-1 is the clear winner of the contest (25 : 9 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. 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.

GH1 09:25 K-1

How about other alternatives? Do the specifications of the Panasonic GH1 and the Pentax K-1 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 GH1 and the K-1 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

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
cam
era
  labs  
dp
re
  view  
e
photo
  zine  
ima
ging
resource
photo
graphy
  blog  
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Camera
Model
 
Panasonic GH1+ +72/1004.5/55/54.5/5 Mar 2009 899iPanasonic GH1
 
Pentax K-1..84/1005/54.5/55/5 Feb 2016 1,799iPentax K-1
 
Canon 5D Mark IV+ +87/1004.5/55/54.5/5 Aug 2016 3,499 iCanon 5D Mark IV
 
Nikon D500+ +91/1004.5/55/55/5 Jan 2016 1,999 iNikon D500
 
Olympus E-M1 II+ +85/1004.5/55/54.5/5 Sep 2016 1,999 iOlympus E-M1 II
 
Olympus E-P1+66/1004/54/54.5/5 Jun 2009 799iOlympus E-P1
 
Olympus E-P2+69/1004/54.5/54.5/5 Nov 2009 799iOlympus E-P2
 
Panasonic LX100+ +85/1005/54/55/5 Sep 2014 899 iPanasonic LX100
 
Panasonic GX1+77/1004.5/54.5/54.5/5 Nov 2011 699iPanasonic GX1
 
Panasonic G10..70/1004/5..4/5 Mar 2010 499iPanasonic G10
 
Panasonic G2..72/1004/54/54.5/5 Mar 2010 599iPanasonic G2
 
Panasonic GF282/10070/1004.5/54.5/54.5/5 Nov 2010 549iPanasonic GF2
 
Panasonic GH2+ +79/1004.5/54.5/55/5 Sep 2010 899iPanasonic GH2
 
Panasonic GF185/10069/1004.5/54.5/54.5/5 Sep 2009 749iPanasonic GF1
 
Panasonic G1+ +70/1004/54.5/54.5/5 Sep 2008 599iPanasonic G1
 
Pentax K-1 II..79/1004.5/54.5/54.5/5 Feb 2018 1,999 iPentax K-1 II
 
Sony A99 II..85/1004.5/54.5/54.5/5 Sep 2016 3,199 iSony A99 II
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.

Panasonic GH1:
Check Ebay offers
Pentax K-1:
Check Ebay offers

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: Panasonic GH1 vs Pentax K-1

    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 GH1 Pentax K-1
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Pentax K mount lenses
    Launch Date March 2009 February 2016
    Launch Price USD 899 USD 1799
    Sensor Specs Panasonic GH1 Pentax K-1
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor Full Frame Sensor
    Sensor Size 17.3 x 13.0 mm 35.9 x 24.0 mm
    Sensor Area 224.9 mm2 861.6 mm2
    Sensor Diagonal 21.6 mm 43.2 mm
    Crop Factor 2.0x 1.0x
    Sensor Resolution 12 Megapixels 36.2 Megapixels
    Image Resolution 4000 x 3000 pixels 7360 x 4912 pixels
    Pixel Pitch 4.33 μm 4.88 μm
    Pixel Density 5.34 MP/cm2 4.20 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/24p Video 1080/60i Video
    ISO Setting 100-1600 ISO 100-204800 ISO
    ISO Boost 100-3200 ISO no Enhancement
    Image Processor Venus HD PRIME IV
    DXO Sensor Quality (score) 64 96
    DXO Color Depth (bits) 21.6 25.4
    DXO Dynamic Range (EV) 11.6 14.6
    DXO Low Light (ISO) 772 3280
    Screen Specs Panasonic GH1 Pentax K-1
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.70x 0.70x
    Viewfinder Resolution 1440k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.2 inch
    LCD Resolution 460k dots 1037k dots
    LCD Attachment Swivel screen Fully flexible screen
    Shooting Specs Panasonic GH1 Pentax K-1
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidNo Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000/s 1/8000/s
    Continuous Shooting 3 shutter flaps/s 4.4 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 no UHS-I
    Connectivity Specs Panasonic GH1 Pentax K-1
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    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
    Geotagging no internal GPS GPS built-in
    Body Specs Panasonic GH1 Pentax K-1
    Environmental SealingNot weather sealedWeathersealed body
    Battery Type DMW-BLB13 D-LI90
    Battery Life (CIPA)300 shots per charge760 shots per charge
    Body Dimensions 124 x 90 x 45 mm
    (4.9 x 3.5 x 1.8 in)
    137 x 110 x 86 mm
    (5.4 x 4.3 x 3.4 in)
    Camera Weight 385 g (13.6 oz) 1010 g (35.6 oz)

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