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Panasonic G7 vs Pentax 645D

The Panasonic Lumix DMC-G7 and the Pentax 645D are two digital cameras that were officially introduced, respectively, in May 2015 and March 2010. The G7 is a mirrorless interchangeable lens camera, while the 645D is a DSLR. The cameras are based on a Four Thirds (G7) and a medium format (645D) sensor. The Panasonic has a resolution of 15.8 megapixels, whereas the Pentax provides 39.5 MP.

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

Headline Specifications
Panasonic G7 VS Pentax 645D
Panasonic G7 Pentax 645D
Mirrorless system camera Digital single lens reflex
Micro Four Thirds lenses Pentax 645 mount lenses
15.8 MP, Four Thirds Sensor 39.5 MP, Medium Format Sensor
4K/30p Video no Video
ISO 160-25600 ISO 100-1600
Electronic viewfinder (2360k dots) Optical viewfinder
3.0" LCD, 1040k dots 3.0" LCD, 921k dots
Swivel touchscreen Fixed screen (not touch-sensitive)
7 shutter flaps per second 1.1 shutter flaps per second
Not weather sealedWeathersealed body
350 shots per battery charge800 shots per battery charge
125 x 86 x 77 mm, 410 g 156 x 117 x 119 mm, 1480 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-G7 and the Pentax 645D? 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 G7 and the Pentax 645D 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 G7 can be obtained in two different colors (black, silver), while the 645D is only available in black.

Size Panasonic G7 vs Pentax 645D
Compare G7 versus 645D top
Comparison G7 or 645D rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax 645D is considerably larger (70 percent) than the Panasonic G7. Moreover, the 645D is substantially heavier (261 percent) than the G7. It is noteworthy in this context that the 645D is splash and dust-proof, while the G7 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 G7 gets 350 shots out of its DMW-BLC12 battery, while the 645D can take 800 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. 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)
Camera
Model
 
Panasonic G7» 4.9 in 3.4 in 3.0 in 14.5 oz 350 n May 2015 649iPanasonic G7
 
Pentax 645D« 6.1 in 4.6 in 4.7 in 52.2 oz 800 Y Mar 2010 9,995iPentax 645D
 
Canon 1D X« » 6.2 in 6.6 in 3.3 in 54.7 oz 1120 Y Oct 2011 6,799iCanon 1D X
 
Canon 1D Mark IV« » 6.1 in 6.2 in 3.1 in 43.4 oz 1500 Y Oct 2009 4,999iCanon 1D Mark IV
 
Leica S Typ 006« » 6.3 in 4.7 in 3.1 in 44.4 oz .. Y Sep 2012 21,950iLeica S Typ 006
 
Nikon D3S« » 6.3 in 6.2 in 3.5 in 43.7 oz 4200 Y Oct 2009 5,199iNikon D3S
 
Olympus E-PL7« » 4.5 in 2.6 in 1.5 in 12.6 oz 350 n Aug 2014 599iOlympus E-PL7
 
Panasonic GF7« » 4.2 in 2.6 in 1.3 in 9.4 oz 230 n Jan 2015 499iPanasonic GF7
 
Panasonic GM5« » 3.9 in 2.4 in 1.4 in 7.4 oz 220 n Sep 2014 749iPanasonic GM5
 
Panasonic G6« » 4.8 in 3.3 in 2.8 in 13.8 oz 340 n Apr 2013 599iPanasonic G6
 
Panasonic GM1« » 3.9 in 2.2 in 1.2 in 7.2 oz 230 n Oct 2013 749iPanasonic GM1
 
Panasonic G5« » 4.7 in 3.3 in 2.8 in 14.0 oz 320 n Jul 2012 599iPanasonic G5
 
Panasonic G3« » 4.5 in 3.3 in 1.9 in 11.9 oz 270 n May 2011 599iPanasonic G3
 
Panasonic G2« » 4.9 in 3.3 in 2.9 in 15.1 oz 360 n Mar 2010 599iPanasonic G2
 
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
 
Pentax 645Z« » 6.1 in 4.6 in 4.8 in 54.7 oz 650 Y Apr 2014 8,499 iPentax 645Z
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 G7 was launched at a markedly lower price (by 94 percent) than the 645D, 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 G7 features a Four Thirds sensor and the Pentax 645D a medium format sensor. The sensor area in the 645D is 545 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.

Panasonic G7 and Pentax 645D sensor measures

With 39.5MP, the 645D offers a higher resolution than the G7 (15.8MP), but the 645D nevertheless has larger individual pixels (pixel pitch of 6.06μm versus 3.77μm for the G7) due to its larger sensor. However, the G7 is a much more recent model (by 5 years and 2 months) than the 645D, 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 645D has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Pentax 645D implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 645D for good quality output (200 dots per inch) amounts to 36.3 x 27.2 inch or 92.3 x 69.1 cm, for very good quality (250 dpi) 29.1 x 21.8 inch or 73.8 x 55.3 cm, and for excellent quality (300 dpi) 24.2 x 18.1 inch or 61.5 x 46.1 cm. The corresponding values for the Panasonic G7 are 23 x 17.2 inch or 58.3 x 43.8 cm for good quality, 18.4 x 13.8 inch or 46.7 x 35 cm for very good quality, and 15.3 x 11.5 inch or 38.9 x 29.2 cm for excellent quality prints.

The Panasonic Lumix DMC-G7 has a native sensitivity range from ISO 160 to ISO 25600. The corresponding ISO settings for the Pentax 645D are ISO 100 to ISO 1600 (no boost).

G7 versus 645D 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
 
Panasonic G7 Four Thirds 15.8 4592 34484K/30p........Panasonic G7
 
Pentax 645D Medium Format 39.5 7264 5440none24.612.6126282Pentax 645D
 
Canon 1D X Full Frame 17.9 5184 34561080/30p23.811.8278682Canon 1D X
 
Canon 1D Mark IV APS-H 16.0 4896 32641080/30p22.812.0132074Canon 1D Mark IV
 
Leica S Typ 006 Medium Format 37.5 7500 5000none23.912.282476Leica S Typ 006
 
Nikon D3S Full Frame 12.1 4256 2832720/24p23.512.0325382Nikon D3S
 
Olympus E-PL7 Four Thirds 15.9 4608 34561080/30p22.712.487372Olympus E-PL7
 
Panasonic GF7 Four Thirds 15.8 4592 34481080/60p........Panasonic GF7
 
Panasonic GM5 Four Thirds 15.8 4592 34481080/60p22.111.772166Panasonic GM5
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961Panasonic G6
 
Panasonic GM1 Four Thirds 15.8 4592 34481080/60i22.311.766066Panasonic GM1
 
Panasonic G5 Four Thirds 15.9 4608 34561080/60p........Panasonic G5
 
Panasonic G3 Four Thirds 15.8 4592 34481080/60i21.010.666756Panasonic G3
 
Panasonic G2 Four Thirds 12.0 4000 3000720/30p21.210.349353Panasonic G2
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560Panasonic GH2
 
Panasonic GF1 Four Thirds 12.0 4000 3000720/30p21.210.351354Panasonic GF1
 
Pentax 645Z Medium Format 51.1 8256 61921080/60i26.014.74505101Pentax 645Z

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The G7 indeed provides movie recording capabilities, while the 645D does not. The highest resolution format that the G7 can use is 4K/30p.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the G7 has an electronic viewfinder (2360k dots), while the 645D 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 G7 offers a wider field of view (100%) than the one in the 645D (98%), so that a larger proportion of the captured image is visible in the finder. On the other hand, the viewfinder of the 645D 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 G7 and Pentax 645D 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
 
Panasonic G72360 n 3.0 1040 swivel Y 1/4000s 7.0 Y n Panasonic G7
 
Pentax 645Doptical Y 3.0 921 fixed n 1/4000s 1.1 n n Pentax 645D
 
Canon 1D Xoptical Y 3.2 1040 fixed n 1/8000s 14.0 n n Canon 1D X
 
Canon 1D Mark IVoptical Y 3.0 920 fixed n 1/8000s 10.0 n n Canon 1D Mark IV
 
Leica S Typ 006optical Y 3.0 922 fixed n 1/4000s 1.5 n n Leica S Typ 006
 
Nikon D3Soptical Y 3.0 921 fixed n 1/8000s 11.0 n n Nikon D3S
 
Olympus E-PL7optional n 3.0 1037 tilting Y 1/4000s 8.0 n Y Olympus E-PL7
 
Panasonic GF7none n 3.0 1040 tilting Y 1/500s 5.8 Y n Panasonic GF7
 
Panasonic GM51166 n 3.0 921 fixed Y 1/500s 5.8 n n Panasonic GM5
 
Panasonic G61440 n 3.0 1036 swivel Y 1/4000s 7.0 Y n Panasonic G6
 
Panasonic GM1none n 3.0 1036 fixed Y 1/500s 5.0 Y n Panasonic GM1
 
Panasonic G51440 n 3.0 920 swivel Y 1/4000s 6.0 Y n Panasonic G5
 
Panasonic G31440 n 3.0 460 swivel Y 1/4000s 4.0 Y n Panasonic G3
 
Panasonic G21440 n 3.0 460 swivel Y 1/4000s 2.6 Y n Panasonic G2
 
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
 
Pentax 645Zoptical Y 3.2 1037 tilting n 1/4000s 3.0 n n Pentax 645Z

One difference between the cameras concerns the presence of an on-board flash. The G7 has one, while the 645D does not. While the built-in flash of the G7 is not very powerful, it can at times be useful as a fill-in light.

The G7 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 645D does not have a selfie-screen.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the G7 is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Panasonic G7 and the Pentax 645D 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 G7 and the 645D write their files to SDXC cards. The 645D features dual card slots, which can be very useful in case a memory card fails. In contrast, the G7 only has one slot. The G7 supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the 645D 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-G7 and Pentax 645D 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 G7YstereomonoY-micro2.0Y--Panasonic G7
 
Pentax 645DYstereonone--none2.0---Pentax 645D
 
Canon 1D XYmonononeY-mini2.0---Canon 1D X
 
Canon 1D Mark IVYstereononeY-mini2.0---Canon 1D Mark IV
 
Leica S Typ 006Ynonenone--mini2.0---Leica S Typ 006
 
Nikon D3SYstereonone--mini2.0---Nikon D3S
 
Olympus E-PL7Ystereomono--micro2.0Y--Olympus E-PL7
 
Panasonic GF7-stereomono--micro2.0YY-Panasonic GF7
 
Panasonic GM5Ystereomono--micro2.0Y--Panasonic GM5
 
Panasonic G6YstereomonoY-mini2.0YY-Panasonic G6
 
Panasonic GM1-stereomono--micro2.0Y--Panasonic GM1
 
Panasonic G5Ystereomono--mini2.0---Panasonic G5
 
Panasonic G3Ystereomono--mini2.0---Panasonic G3
 
Panasonic G2Ystereomono--mini2.0---Panasonic G2
 
Panasonic GH2YstereomonoY-mini2.0---Panasonic GH2
 
Panasonic GF1Ymonomono--mini2.0---Panasonic GF1
 
Pentax 645ZYstereomonoY-mini3.0---Pentax 645Z

It is notable that the G7 offers wifi support, while the 645D does not. Wifi can be a very convenient means to transfer image data to an off-camera location.

Studio photographers will appreciate that the Pentax 645D (unlike the G7) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the G7 and the 645D have been discontinued, but can regularly be found used on eBay. The 645D was replaced by the Pentax 645Z, while the G7 was followed by the Panasonic G85. 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 G7 better than the Pentax 645D or vice versa? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Panasonic Lumix DMC-G7:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Broader imaging potential: Can record not only still images but also 4K/30p movies.
  • 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 detailed LCD: Has a higher resolution rear screen (1040k vs 921k dots).
  • 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 (7 vs 1.1 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (125x86mm vs 156x117mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 1070g or 72 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.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Faster buffer clearing: Supports Ultra High Speed (UHS-II) SDXC cards.
  • More affordable: Was introduced into a lower priced category (94 percent cheaper at launch).
  • More modern: Reflects 5 years and 2 months of technical progress since the 645D launch.

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Advantages of the Pentax 645D:

  • More detail: Has more megapixels (39.5 vs 15.8MP), which boosts linear resolution by 58%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • 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.
  • Longer lasting: Gets more shots (800 versus 350) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • 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 around for much longer (launched in March 2010).

If the number of relative strengths (bullet points above) is taken as a guide, the G7 is the clear winner of the match-up (18 : 10 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.

G7 18:10 645D

How about other alternatives? Do the specifications of the Panasonic G7 and the Pentax 645D 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 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 G7 or the 645D perform in practice. 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 expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular 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 G7+ +80/1005/54.5/54.5/5 May 2015 649iPanasonic G7
 
Pentax 645D......4.5/5.. Mar 2010 9,995iPentax 645D
 
Canon 1D X....4.5/54.5/54.5/5 Oct 2011 6,799iCanon 1D X
 
Canon 1D Mark IV..89/100..5/5.. Oct 2009 4,999iCanon 1D Mark IV
 
Leica S Typ 006.......... Sep 2012 21,950iLeica S Typ 006
 
Nikon D3S..89/1004.5/55/55/5 Oct 2009 5,199iNikon D3S
 
Olympus E-PL7+..5/54.5/54/5 Aug 2014 599iOlympus E-PL7
 
Panasonic GF7+..4.5/54.5/54.5/5 Jan 2015 499iPanasonic GF7
 
Panasonic GM5+77/1005/55/54.5/5 Sep 2014 749iPanasonic GM5
 
Panasonic G6+ +..5/5..4.5/5 Apr 2013 599iPanasonic G6
 
Panasonic GM1+78/1005/54.5/54.5/5 Oct 2013 749iPanasonic GM1
 
Panasonic G5+ +..4.5/54.5/54.5/5 Jul 2012 599iPanasonic G5
 
Panasonic G3+ +75/1004.5/54.5/55/5 May 2011 599iPanasonic G3
 
Panasonic G2..72/1004/54/54.5/5 Mar 2010 599iPanasonic G2
 
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
 
Pentax 645Z....4.5/55/55/5 Apr 2014 8,499 iPentax 645Z
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Panasonic G7:
Check Ebay offers
Pentax 645D:
Check Ebay offers

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 G7 vs Pentax 645D

    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 G7 Pentax 645D
    Camera Type Mirrorless system camera Digital single lens reflex
    Camera Lens Micro Four Thirds lenses Pentax 645 mount lenses
    Launch Date May 2015 March 2010
    Launch Price USD 649 USD 9995
    Sensor Specs Panasonic G7 Pentax 645D
    Sensor Technology CMOS CCD
    Sensor Format Four Thirds Sensor Medium Format Sensor
    Sensor Size 17.3 x 13.0 mm 44.0 x 33.0 mm
    Sensor Area 224.9 mm2 1452 mm2
    Sensor Diagonal 21.6 mm 55 mm
    Crop Factor 2.0x 0.79x
    Sensor Resolution 15.8 Megapixels 39.5 Megapixels
    Image Resolution 4592 x 3448 pixels 7264 x 5440 pixels
    Pixel Pitch 3.77 μm 6.06 μm
    Pixel Density 7.04 MP/cm2 2.72 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/30p Video no Video
    ISO Setting 160-25600 ISO 100-1600 ISO
    Image Processor Venus PRIME II
    DXO Sensor Quality (score) .. 82
    DXO Color Depth (bits) .. 24.6
    DXO Dynamic Range (EV) .. 12.6
    DXO Low Light (ISO) .. 1262
    Screen Specs Panasonic G7 Pentax 645D
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 98%
    Viewfinder Magnification 0.70x 0.78x
    Viewfinder Resolution 2360k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 1040k dots 921k dots
    LCD Attachment Swivel screen Fixed screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Panasonic G7 Pentax 645D
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingNo Peaking Feature
    Continuous Shooting 7 shutter flaps/s 1.1 shutter flaps/s
    Electronic Shutterup to 1/16000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support UHS-II no
    Connectivity Specs Panasonic G7 Pentax 645D
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support Wifi built-in no Wifi
    Body Specs Panasonic G7 Pentax 645D
    Environmental SealingNot weather sealedWeathersealed body
    Battery Type DMW-BLC12 D-LI90
    Battery Life (CIPA)350 shots per charge800 shots per charge
    Body Dimensions 125 x 86 x 77 mm
    (4.9 x 3.4 x 3.0 in)
    156 x 117 x 119 mm
    (6.1 x 4.6 x 4.7 in)
    Camera Weight 410 g (14.5 oz) 1480 g (52.2 oz)

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