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Panasonic G3 vs Pentax 645Z

The Panasonic Lumix DMC-G3 and the Pentax 645Z are two digital cameras that were revealed to the public, respectively, in May 2011 and April 2014. The G3 is a mirrorless interchangeable lens camera, while the 645Z is a DSLR. The cameras are based on a Four Thirds (G3) and a medium format (645Z) sensor. The Panasonic has a resolution of 15.8 megapixels, whereas the Pentax provides 51.1 MP.

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

Headline Specifications
Panasonic G3
versus
Pentax 645Z
Panasonic G3   Pentax 645Z
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Pentax 645 mount lenses
15.8 MP, Four Thirds Sensor 51.1 MP, Medium Format Sensor
1080/60i Video 1080/60i Video
ISO 160-6,400 ISO 100-204,800
Electronic viewfinder (1440k dots) Optical viewfinder
3.0 LCD, 460k dots 3.2 LCD, 1037k dots
Swivel touchscreen Tilting screen (not touch-sensitive)
4 shutter flaps per second 3 shutter flaps per second
not weather sealedWeathersealed body
270 shots per battery charge650 shots per battery charge
115 x 84 x 47 mm, 336 g 156 x 117 x 123 mm, 1550 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-G3 and the Pentax 645Z? 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

The side-by-side display below illustrates the physical size and weight of the Panasonic G3 and the Pentax 645Z. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

The G3 can be obtained in four different colors (black, brown, red, white), while the 645Z is only available in black.

Size Panasonic G3 vs Pentax 645Z
Compare G3 versus 645Z top
Comparison G3 or 645Z rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax 645Z is considerably larger (89 percent) than the Panasonic G3. Moreover, the 645Z is substantially heavier (361 percent) than the G3. It is noteworthy in this context that the 645Z is splash and dust-proof, while the G3 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 G3 gets 270 shots out of its DMW-BLD10 battery, while the 645Z can take 650 images on a single charge of its D-LI90 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Panasonic G3 115 mm 84 mm 47 mm 336 g 270 n May 2011 599i
2.
 
Pentax 645Z 156 mm 117 mm 123 mm 1550 g 650 Y Apr 2014 8,499 i
3.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i
4.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i
5.
 
Canon M 109 mm 66 mm 32 mm 298 g 230 n Jul 2012 599i
6.
 
Hasselblad X1D 150 mm 98 mm 71 mm 725 g .. Y Jun 2016 8,995i
7.
 
Leica SL 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 7,450i
8.
 
Panasonic G7 125 mm 86 mm 77 mm 410 g 350 n May 2015 649i
9.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599i
10.
 
Panasonic GF6 111 mm 65 mm 38 mm 323 g 340 n Apr 2013 499i
11.
 
Panasonic G5 120 mm 83 mm 71 mm 396 g 320 n Jul 2012 599i
12.
 
Panasonic GF5 108 mm 67 mm 37 mm 267 g 360 n Apr 2012 499i
13.
 
Panasonic GX1 116 mm 68 mm 39 mm 318 g 320 n Nov 2011 699i
14.
 
Panasonic G10 124 mm 84 mm 74 mm 388 g 380 n Mar 2010 499i
15.
 
Panasonic G2 124 mm 84 mm 74 mm 428 g 360 n Mar 2010 599i
16.
 
Panasonic GF2 113 mm 68 mm 33 mm 310 g 300 n Nov 2010 549i
17.
 
Pentax 645D 156 mm 117 mm 119 mm 1480 g 800 Y Mar 2010 9,995i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

The price is, of course, an important factor in any camera decision. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The G3 was launched at a markedly lower price (by 93 percent) than the 645Z, 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.

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. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Panasonic G3 features a Four Thirds sensor and the Pentax 645Z a medium format sensor. The sensor area in the 645Z is 539 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 0.79. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

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

Panasonic G3 and Pentax 645Z sensor measures

With 51.1MP, the 645Z offers a higher resolution than the G3 (15.8MP), but the 645Z nevertheless has larger individual pixels (pixel pitch of 5.30μm versus 3.77μm for the G3) due to its larger sensor. Moreover, the 645Z is a much more recent model (by 2 years and 11 months) than the G3, 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 645Z has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Pentax 645Z implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 645Z for good quality output (200 dots per inch) amounts to 41.3 x 31 inches or 104.9 x 78.6 cm, for very good quality (250 dpi) 33 x 24.8 inches or 83.9 x 62.9 cm, and for excellent quality (300 dpi) 27.5 x 20.6 inches or 69.9 x 52.4 cm. The corresponding values for the Panasonic G3 are 23 x 17.2 inches or 58.3 x 43.8 cm for good quality, 18.4 x 13.8 inches or 46.7 x 35 cm for very good quality, and 15.3 x 11.5 inches or 38.9 x 29.2 cm for excellent quality prints.

The Panasonic Lumix DMC-G3 has a native sensitivity range from ISO 160 to ISO 6400. The corresponding ISO settings for the Pentax 645Z are ISO 100 to ISO 204800 (no boost).

G3 versus 645Z MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under consideration, the 645Z offers substantially better image quality than the G3 (overall score 45 points higher). The advantage is based on 5 bits higher color depth, 4.1 EV in additional dynamic range, and 2.8 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Panasonic G3 Four Thirds 15.8 4592 34481080/60i21.010.666756
2.
 
Pentax 645Z Medium Format 51.1 8256 61921080/60i26.014.74505101
3.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
4.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
5.
 
Canon M APS-C 17.9 5184 34561080/30p22.111.282765
6.
 
Hasselblad X1D Medium Format 51.3 8272 62001080/25p26.214.84489102
7.
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188
8.
 
Panasonic G7 Four Thirds 15.8 4592 34484K/30p........
9.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
10.
 
Panasonic GF6 Four Thirds 15.8 4592 34481080/60i20.710.662254
11.
 
Panasonic G5 Four Thirds 15.9 4608 34561080/60p........
12.
 
Panasonic GF5 Four Thirds 12.0 4000 30001080/60i21.411.661861
13.
 
Panasonic GX1 Four Thirds 15.8 4592 34481080/60p20.810.670355
14.
 
Panasonic G10 Four Thirds 12.0 4000 3000720/30p21.210.141152
15.
 
Panasonic G2 Four Thirds 12.0 4000 3000720/30p21.210.349353
16.
 
Panasonic GF2 Four Thirds 12.0 4000 30001080/60i21.210.350654
17.
 
Pentax 645D Medium Format 39.5 7264 5440none24.612.6126282

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, and both provide the same movie specifications (1080/60i).

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the G3 has an electronic viewfinder (1440k dots), while the 645Z 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 viewfinder in the G3 offers a wider field of view (100%) than the one in the 645Z (98%), so that a larger proportion of the captured image is visible in the finder. On the other hand, the viewfinder of the 645Z has a higher magnification (0.78x vs 0.70x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Panasonic G3 and Pentax 645Z along with similar information for a selection of comparators.

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Core Features
    Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/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
1.
 
Panasonic G31440 n3.0 / 460 swivel Y 1/4000s 4.0 Y n
2.
 
Pentax 645Zoptical Y3.2 / 1037 tilting n 1/4000s 3.0 n n
3.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0 n n
4.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0 n n
5.
 
Canon Mnone n3.0 / 1040 fixed Y 1/4000s 4.3 n n
6.
 
Hasselblad X1D2360 n3.0 / 920 fixed Y 1/2000s 2.3 n n
7.
 
Leica SL4400 Y3.0 / 1040 fixed Y 1/8000s 11.0 n n
8.
 
Panasonic G72360 n3.0 / 1040 swivel Y 1/4000s 7.0 Y n
9.
 
Panasonic G61440 n3.0 / 1036 swivel Y 1/4000s 7.0 Y n
10.
 
Panasonic GF6none n3.0 / 1040 tilting Y 1/4000s 4.2 Y n
11.
 
Panasonic G51440 n3.0 / 920 swivel Y 1/4000s 6.0 Y n
12.
 
Panasonic GF5none n3.0 / 920 fixed Y 1/4000s 4.0 Y n
13.
 
Panasonic GX1optional n3.0 / 460 fixed Y 1/4000s 4.2 Y n
14.
 
Panasonic G10202 n3.0 / 460 fixed n 1/4000s 2.6 Y n
15.
 
Panasonic G21440 n3.0 / 460 swivel Y 1/4000s 2.6 Y n
16.
 
Panasonic GF2optional n3.0 / 460 fixed Y 1/4000s 2.6 Y n
17.
 
Pentax 645Doptical Y3.0 / 921 fixed n 1/4000s 1.1 n n

One difference between the cameras concerns the presence of an on-board flash. The G3 has one, while the 645Z does not. While the built-in flash of the G3 is not very powerful, it can at times be useful as a fill-in light.

The G3 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 645Z does not have a selfie-screen.

The Pentax 645Z 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 G3 and the 645Z write their files to SDXC cards. The 645Z features dual card slots, which can be very useful in case a memory card fails. In contrast, the G3 only has one slot. The 645Z supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the G3 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-G3 and Pentax 645Z and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Panasonic G3Ystereo / mono--mini2.0---
2.
 
Pentax 645ZYstereo / monoY-mini3.0---
3.
 
Canon 5DSYmono / monoY-mini3.0---
4.
 
Canon 5DS RYmono / monoY-mini3.0---
5.
 
Canon MYstereo / monoY-mini2.0---
6.
 
Hasselblad X1DYstereo / monoYYmini3.0Y--
7.
 
Leica SLYstereo / monoYYfull3.0Y--
8.
 
Panasonic G7Ystereo / monoY-micro2.0Y--
9.
 
Panasonic G6Ystereo / monoY-mini2.0YY-
10.
 
Panasonic GF6-stereo / mono--mini2.0YY-
11.
 
Panasonic G5Ystereo / mono--mini2.0---
12.
 
Panasonic GF5-stereo / mono--mini2.0---
13.
 
Panasonic GX1Ystereo / mono--mini2.0---
14.
 
Panasonic G10Ymono / ---mini2.0---
15.
 
Panasonic G2Ystereo / mono--mini2.0---
16.
 
Panasonic GF2Ystereo / mono--mini2.0---
17.
 
Pentax 645DYstereo / ----2.0---

It is notable that the 645Z has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The G3 does not feature such a mic input.

Studio photographers will appreciate that the Pentax 645Z (unlike the G3) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The 645Z is a recent model that features in the current product line-up of Pentax. In contrast, the G3 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the G3 was succeeded by the Panasonic G5. 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 what is the bottom line? Is the Panasonic G3 better than the Pentax 645Z or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of the Panasonic Lumix DMC-G3:

  • 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 complete view: Has a viewfinder with a larger field of view (100% vs 98%).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (4 vs 3 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (115x84mm vs 156x117mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 1214g or 78 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 (93 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in May 2011).

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Arguments in favor of the Pentax 645Z:

  • More detail: Has more megapixels (51.1 vs 15.8MP), which boosts linear resolution by 80%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (45 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (5 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (4.1 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (2.8 stops ISO advantage).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.70x).
  • 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).
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Gets more shots (650 versus 270) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • 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.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 2 years and 11 months of technical progress since the G3 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the 645Z is the clear winner of the contest (20 : 13 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

G3 13:20 645Z

How about other alternatives? Do the specifications of the Panasonic G3 and the Pentax 645Z 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 says little about, for example, the shooting experience and imaging performance of the G3 and the 645Z in practical situations. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why expert reviews 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Panasonic G33/5+ +..75/1004.5/55/5 May 2011 599i
2.
 
Pentax 645Z5/5......4.5/55/5 Apr 2014 8,499 i
3.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 3,699 i
4.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699 i
5.
 
Canon M3/5+....4/54/5 Jul 2012 599i
6.
 
Hasselblad X1D..o..81/100..4/5 Jun 2016 8,995i
7.
 
Leica SL4/5..4/584/1004.5/54/5 Oct 2015 7,450i
8.
 
Panasonic G74/5+ +..80/1005/54.5/5 May 2015 649i
9.
 
Panasonic G64/5+ +....5/54.5/5 Apr 2013 599i
10.
 
Panasonic GF6..+ +....4.5/54.5/5 Apr 2013 499i
11.
 
Panasonic G53/5+ +....4.5/54.5/5 Jul 2012 599i
12.
 
Panasonic GF53/5......4.5/54.5/5 Apr 2012 499i
13.
 
Panasonic GX13/5+..77/1004.5/54.5/5 Nov 2011 699i
14.
 
Panasonic G103/5....70/1004/54/5 Mar 2010 499i
15.
 
Panasonic G2......72/1004/54.5/5 Mar 2010 599i
16.
 
Panasonic GF23/582/100..70/1004.5/54.5/5 Nov 2010 549i
17.
 
Pentax 645D5/5.......... Mar 2010 9,995i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

Panasonic G3:
Check Ebay offers
Pentax 645Z:
Check Amazon price

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 use the search menu below. 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 G3 vs Pentax 645Z

    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 G3 Pentax 645Z
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Pentax 645 mount lenses
    Launch Date May 2011 April 2014
    Launch Price USD 599 USD 8,499
    Sensor Specs Panasonic G3 Pentax 645Z
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor Medium Format Sensor
    Sensor Size 17.3 x 13.0 mm 43.8 x 32.8 mm
    Sensor Area 224.9 mm2 1436.64 mm2
    Sensor Diagonal 21.6 mm 54.7 mm
    Crop Factor 2.0x 0.79x
    Sensor Resolution 15.8 Megapixels 51.1 Megapixels
    Image Resolution 4592 x 3448 pixels 8256 x 6192 pixels
    Pixel Pitch 3.77 μm 5.30 μm
    Pixel Density 7.04 MP/cm2 3.56 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/60i Video 1080/60i Video
    ISO Setting 160 - 6,400 ISO 100 - 204,800 ISO
    Image Processor Venus FHD PRIME III
    DXO Sensor Quality (score) 56 101
    DXO Color Depth (bits) 21.0 26.0
    DXO Dynamic Range (EV) 10.6 14.7
    DXO Low Light (ISO) 667 4505
    Screen Specs Panasonic G3 Pentax 645Z
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 98%
    Viewfinder Magnification 0.70x 0.78x
    Viewfinder Resolution 1440k 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 1037k dots
    LCD Attachment Swivel screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Panasonic G3 Pentax 645Z
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 4 shutter flaps/s 3 shutter flaps/s
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash Built-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support no UHS-I
    Connectivity Specs Panasonic G3 Pentax 645Z
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.0
    HDMI Port mini HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support no Wifi no Wifi
    Body Specs Panasonic G3 Pentax 645Z
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type DMW-BLD10 D-LI90
    Battery Life (CIPA)270 shots per charge650 shots per charge
    Body Dimensions 115 x 84 x 47 mm
    (4.5 x 3.3 x 1.9 in)
    156 x 117 x 123 mm
    (6.1 x 4.6 x 4.8 in)
    Camera Weight 336 g (11.9 oz) 1550 g (54.7 oz)

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