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Pentax 645Z vs Sony A5000

The Pentax 645Z and the Sony Alpha A5000 are two digital cameras that were revealed to the public, respectively, in April 2014 and January 2014. The 645Z is a DSLR, while the A5000 is a mirrorless interchangeable lens camera. The cameras are based on a medium format (645Z) and an APS-C (A5000) sensor. The Pentax has a resolution of 51.1 megapixels, whereas the Sony provides 19.8 MP.

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

Headline Specifications
Pentax 645Z
versus
Sony A5000
Pentax 645Z   Sony A5000
Digital single lens reflex Mirrorless system camera
Pentax 645 mount lenses Sony E mount lenses
51.1 MP, Medium Format Sensor 19.8 MP, APS-C Sensor
1080/60i Video 1080/60i Video
ISO 100-204,800 ISO 100-16,000
Optical viewfinder No viewfinder, LCD framing
3.2 LCD, 1037k dots 3.0 LCD, 461k dots
Tilting screen (no touchscreen) Tilting screen (not touch-sensitive)
3 shutter flaps per second 3.5 shutter flaps per second
Weathersealed bodynot weather sealed
650 shots per battery charge420 shots per battery charge
156 x 117 x 123 mm, 1550 g 110 x 63 x 36 mm, 269 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax 645Z and the Sony Alpha A5000? 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 Pentax 645Z and the Sony A5000. 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 A5000 can be obtained in three different colors (black, silver, white), while the 645Z is only available in black.

Size Pentax 645Z vs Sony A5000
Compare 645Z versus A5000 top
Comparison 645Z or A5000 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A5000 is considerably smaller (62 percent) than the Pentax 645Z. Moreover, the A5000 is substantially lighter (83 percent) than the 645Z. It is worth mentioning in this context that the 645Z is splash and dust resistant, while the A5000 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 645Z gets 650 shots out of its D-LI90 battery, while the A5000 can take 420 images on a single charge of its NP-FW50 power pack. The power pack in the A5000 can be charged via the USB port, which can be very convenient when travelling.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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.
 
Pentax 645Z 156 mm 117 mm 123 mm 1550 g 650 Y Apr 2014 8,499 i
2.
 
Sony A5000 110 mm 63 mm 36 mm 269 g 420 n Jan 2014 449i
3.
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999i
4.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i
5.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i
6.
 
Canon M10 108 mm 67 mm 35 mm 301 g 255 n Oct 2015 499i
7.
 
Hasselblad X1D 150 mm 98 mm 71 mm 725 g .. Y Jun 2016 8,995i
8.
 
Leica SL 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 7,450i
9.
 
Nikon D850 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 3,299 i
10.
 
Nikon D5 160 mm 159 mm 92 mm 1415 g 3780 Y Jan 2016 6,499i
11.
 
Nikon D7200 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 1,199i
12.
 
Nikon D4S 160 mm 157 mm 91 mm 1350 g 3020 Y Feb 2014 6,499i
13.
 
Nikon D3300 124 mm 98 mm 76 mm 430 g 700 n Jan 2014 499i
14.
 
Pentax 645D 156 mm 117 mm 119 mm 1480 g 800 Y Mar 2010 9,995i
15.
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999i
16.
 
Sony A5100 110 mm 63 mm 36 mm 283 g 400 n Aug 2014 549 i
17.
 
Sony NEX-3N 110 mm 62 mm 35 mm 269 g 480 n Feb 2013 499i
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 A5000 was launched at a markedly lower price (by 95 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 size of the sensor inside a digital camera is one of the key determinants 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 Pentax 645Z features a medium format sensor and the Sony A5000 an APS-C sensor. The sensor area in the A5000 is 75 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.79 and 1.5. The sensor in the 645Z has a native 4:3 aspect ratio, while the one in the A5000 offers a 3:2 aspect.

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

Pentax 645Z and Sony A5000 sensor measures

With 51.1MP, the 645Z offers a higher resolution than the A5000 (19.8MP), but the 645Z nevertheless has larger individual pixels (pixel pitch of 5.30μm versus 4.25μm for the A5000) due to its larger sensor. Moreover, the 645Z is a somewhat more recent model (by 3 months) than the A5000, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. 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 Sony A5000 are 27.3 x 18.2 inches or 69.3 x 46.1 cm for good quality, 21.8 x 14.5 inches or 55.4 x 36.9 cm for very good quality, and 18.2 x 12.1 inches or 46.2 x 30.8 cm for excellent quality prints.

The Pentax 645Z has a native sensitivity range from ISO 100 to ISO 204800. The corresponding ISO settings for the Sony Alpha A5000 are ISO 100 to ISO 16000 (no boost).

645Z versus A5000 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 review, the 645Z provides substantially higher image quality than the A5000, with an overall score that is 22 points higher. This advantage is based on 2.2 bits higher color depth, 1.7 EV in additional dynamic range, and 2 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.
 
Pentax 645Z Medium Format 51.1 8256 61921080/60i26.014.74505101
2.
 
Sony A5000 APS-C 19.8 5456 36321080/60i23.813.0108979
3.
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
4.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
5.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
6.
 
Canon M10 APS-C 17.9 5184 34561080/30p22.211.475365
7.
 
Hasselblad X1D Medium Format 51.3 8272 62001080/25p26.214.84489102
8.
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188
9.
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100
10.
 
Nikon D5 Full Frame 20.7 5588 37124K/30p25.112.3234388
11.
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387
12.
 
Nikon D4S Full Frame 16.2 4928 32801080/60p24.413.3307489
13.
 
Nikon D3300 APS-C 24.0 6000 40001080/60p24.312.8138582
14.
 
Pentax 645D Medium Format 39.5 7264 5440none24.612.6126282
15.
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170
16.
 
Sony A5100 APS-C 24.0 6000 40001080/60p23.812.7134780
17.
 
Sony NEX-3N APS-C 16.0 4912 32641080/60i22.812.5106774

Many modern cameras cannot only take still pictures, but also record videos. 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 645Z has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the A5000 relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Pentax 645Z and Sony A5000 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.
 
Pentax 645Zoptical Y3.2 / 1037 tilting n 1/4000s 3.0 n n
2.
 
Sony A5000none n3.0 / 461 tilting n 1/4000s 3.5 Y n
3.
 
Canon 1D X Mark IIoptical Y3.2 / 1620 fixed Y 1/8000s 16.0 n n
4.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0 n n
5.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0 n n
6.
 
Canon M10none n3.0 / 1040 tilting Y 1/4000s 4.6 Y n
7.
 
Hasselblad X1D2360 n3.0 / 920 fixed Y 1/2000s 2.3 n n
8.
 
Leica SL4400 Y3.0 / 1040 fixed Y 1/8000s 11.0 n n
9.
 
Nikon D850optical Y3.2 / 2359 tilting Y 1/8000s 9.0 n n
10.
 
Nikon D5optical Y3.2 / 2359 fixed Y 1/8000s 14.0 n n
11.
 
Nikon D7200optical Y3.2 / 1229 fixed n 1/8000s 6.0 Y n
12.
 
Nikon D4Soptical Y3.2 / 921 fixed n 1/8000s 11.0 n n
13.
 
Nikon D3300optical n3.0 / 921 fixed n 1/4000s 5.0 Y n
14.
 
Pentax 645Doptical Y3.0 / 921 fixed n 1/4000s 1.1 n n
15.
 
Sony RX100 IV2359 n3.0 / 1228 tilting n 1/2000s 16.0 Y Y
16.
 
Sony A5100none n3.0 / 922 tilting Y 1/4000s 6.0 Y n
17.
 
Sony NEX-3Noptional n3.0 / 460 tilting n 1/4000s 4.0 Y n

One feature that is present on the 645Z, but is missing on the A5000 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The A5000 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking 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.

The 645Z writes its imaging data to SDXC cards, while the A5000 uses SDXC or Memory Stick PRO Duo cards. The 645Z features dual card slots, which can be very useful in case a memory card fails. In contrast, the A5000 only has one slot. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Pentax 645Z and Sony Alpha A5000 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.
 
Pentax 645ZYstereo / monoY-mini3.0---
2.
 
Sony A5000-stereo / mono--micro2.0YY-
3.
 
Canon 1D X Mark IIYmono / monoYYmini3.0---
4.
 
Canon 5DSYmono / monoY-mini3.0---
5.
 
Canon 5DS RYmono / monoY-mini3.0---
6.
 
Canon M10-stereo / mono--mini2.0YY-
7.
 
Hasselblad X1DYstereo / monoYYmini3.0Y--
8.
 
Leica SLYstereo / monoYYfull3.0Y--
9.
 
Nikon D850Ystereo / monoYYmini3.0YYY
10.
 
Nikon D5Ystereo / monoYYmini3.0---
11.
 
Nikon D7200Ystereo / monoYYmini2.0YY-
12.
 
Nikon D4SYmono / monoYYmini2.0---
13.
 
Nikon D3300Ymono / monoY-mini2.0---
14.
 
Pentax 645DYstereo / ----2.0---
15.
 
Sony RX100 IV-stereo / mono--micro2.0YY-
16.
 
Sony A5100-stereo / mono--micro2.0YY-
17.
 
Sony NEX-3N-stereo / mono--micro2.0---

It is notable that the 645Z has a hotshoe, while the A5000 does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Studio photographers will appreciate that the Pentax 645Z (unlike the A5000) 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 A5000 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the A5000 was succeeded by the Sony A5100. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Pentax and Sony websites.

Review summary

So what is the bottom line? Is the Pentax 645Z better than the Sony A5000 or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of the Pentax 645Z:

  • More detail: Offers more megapixels (51.1 vs 19.8MP) with a 57% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (22 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (2.2 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (1.7 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (2 stops ISO advantage).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 461k dots).
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (650 versus 420) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • 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.
  • More modern: Is somewhat more recent (announced 3 months after the A5000).

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Arguments in favor of the Sony Alpha A5000:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (3.5 vs 3 flaps/sec) to capture the decisive moment.
  • More compact: Is smaller (110x63mm vs 156x117mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 1281g or 83 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • More affordable: Was introduced into a lower priced category (95 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in January 2014).

If the number of relative strengths (bullet points above) is taken as a guide, the 645Z is the clear winner of the match-up (19 : 12 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.

645Z 19:12 A5000

How about other alternatives? Do the specifications of the Pentax 645Z and the Sony A5000 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens 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 645Z and the A5000 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.
 
Pentax 645Z5/5......4.5/55/5 Apr 2014 8,499 i
2.
 
Sony A50003/5+....4.5/54.5/5 Jan 2014 449i
3.
 
Canon 1D X Mark II....4.5/589/1004.5/54.5/5 Feb 2016 5,999i
4.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 3,699 i
5.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 3,699 i
6.
 
Canon M10..........4/5 Oct 2015 499i
7.
 
Hasselblad X1D..o..81/100..4/5 Jun 2016 8,995i
8.
 
Leica SL4/5..4/584/1004.5/54/5 Oct 2015 7,450i
9.
 
Nikon D8504.5/5+ +5/589/1004.5/55/5 Jul 2017 3,299 i
10.
 
Nikon D5....4/589/1004.5/55/5 Jan 2016 6,499i
11.
 
Nikon D72004/5+ +..84/1004.5/54.5/5 Mar 2015 1,199i
12.
 
Nikon D4S5/5......4.5/54.5/5 Feb 2014 6,499i
13.
 
Nikon D33003/5+..77/1004.5/54.5/5 Jan 2014 499i
14.
 
Pentax 645D5/5.......... Mar 2010 9,995i
15.
 
Sony RX100 IV4.5/5+ +..85/1004/54.5/5 Jun 2015 999i
16.
 
Sony A51004.5/5+....4.5/55/5 Aug 2014 549 i
17.
 
Sony NEX-3N3/5......4.5/54.5/5 Feb 2013 499i
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.

Pentax 645Z:
Check Amazon price
Sony A5000:
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 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: Pentax 645Z vs Sony A5000

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Pentax 645Z Sony A5000
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Pentax 645 mount lenses Sony E mount lenses
    Launch Date April 2014 January 2014
    Launch Price USD 8,499 USD 449
    Sensor Specs Pentax 645Z Sony A5000
    Sensor Technology CMOS CMOS
    Sensor Format Medium Format Sensor APS-C Sensor
    Sensor Size 43.8 x 32.8 mm 23.2 x 15.4 mm
    Sensor Area 1436.64 mm2 357.28 mm2
    Sensor Diagonal 54.7 mm 27.8 mm
    Crop Factor 0.79x 1.5x
    Sensor Resolution 51.1 Megapixels 19.8 Megapixels
    Image Resolution 8256 x 6192 pixels 5456 x 3632 pixels
    Pixel Pitch 5.30 μm 4.25 μm
    Pixel Density 3.56 MP/cm2 5.55 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/60i Video 1080/60i Video
    ISO Setting 100 - 204,800 ISO 100 - 16,000 ISO
    Image Processor PRIME III BIONZ X
    DXO Sensor Quality (score) 101 79
    DXO Color Depth (bits) 26.0 23.8
    DXO Dynamic Range (EV) 14.7 13.0
    DXO Low Light (ISO) 4505 1089
    Screen Specs Pentax 645Z Sony A5000
    Viewfinder Type Optical viewfinder no viewfinder
    Viewfinder Field of View 98%
    Viewfinder Magnification 0.78x
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 1037k dots 461k dots
    LCD Attachment Tilting screen Tilting screen
    Shooting Specs Pentax 645Z Sony A5000
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 3 shutter flaps/s 3.5 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Pentax 645Z Sony A5000
    External Flash Hotshoe no Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Body Specs Pentax 645Z Sony A5000
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type D-LI90 NP-FW50
    Battery Life (CIPA)650 shots per charge420 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 156 x 117 x 123 mm
    (6.1 x 4.6 x 4.8 in)
    110 x 63 x 36 mm
    (4.3 x 2.5 x 1.4 in)
    Camera Weight 1550 g (54.7 oz) 269 g (9.5 oz)

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