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Pentax 645Z vs Zeiss ZX1

The Pentax 645Z and the Zeiss ZX1 are two digital cameras that were officially introduced, respectively, in April 2014 and September 2018. The 645Z is a DSLR, while the ZX1 is a fixed lens compact. The cameras are based on a medium format (645Z) and a full frame (ZX1) sensor. The Pentax has a resolution of 51.1 megapixels, whereas the Zeiss provides 37.4 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
Zeiss ZX1
Pentax 645Z   Zeiss ZX1
Digital single lens reflex Fixed lens compact camera
Pentax 645 mount lenses 35mm f/2.8
51.1 MP, Medium Format Sensor 37.4 MP, Full Frame Sensor
1080/60i Video 4K/30p Video
ISO 100-204,800 ISO 80-51,200
Optical viewfinder Electronic viewfinder (6221k dots)
3.2 LCD, 1037k dots 4.3 LCD, 2765k dots
Tilting screen (no touchscreen) Fixed touchscreen
3 shutter flaps per second 3 shutter flaps per second
Weathersealed bodynot weather sealed
650 shots per battery charge250 shots per battery charge
156 x 117 x 123 mm, 1550 g 142 x 93 x 46 mm, 800 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax 645Z and the Zeiss ZX1? 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 Pentax 645Z and the Zeiss ZX1 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions are rounded to the nearest millimeter.

Size Pentax 645Z vs Zeiss ZX1
Compare 645Z versus ZX1 top
Comparison 645Z or ZX1 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Zeiss ZX1 is notably smaller (28 percent) than the Pentax 645Z. It is worth mentioning in this context that the 645Z is splash and dust resistant, while the ZX1 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the ZX1 has a lens built in, whereas the 645Z is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
    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.
 
Zeiss ZX1 142 mm 93 mm 46 mm 800 g 250 n Sep 2018 5,999 i
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.
 
Hasselblad X1D 150 mm 98 mm 71 mm 725 g .. Y Jun 2016 8,995i
7.
 
Leica Q2 130 mm 80 mm 92 mm 718 g 370 Y Mar 2019 4,995 i
8.
 
Leica M10 139 mm 80 mm 39 mm 660 g 210 Y Jan 2017 6,595 i
9.
 
Leica Q Typ 116 130 mm 80 mm 93 mm 640 g 300 n Jun 2015 4,249i
10.
 
Leica SL 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 7,450i
11.
 
Nikon D850 146 mm 124 mm 79 mm 1005 g 1840 Y Jul 2017 3,299 i
12.
 
Nikon D5 160 mm 159 mm 92 mm 1415 g 3780 Y Jan 2016 6,499i
13.
 
Nikon D7200 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 1,199i
14.
 
Nikon D4S 160 mm 157 mm 91 mm 1350 g 3020 Y Feb 2014 6,499i
15.
 
Panasonic FZ1000 137 mm 99 mm 131 mm 831 g 360 n Jun 2014 899i
16.
 
Pentax 645D 156 mm 117 mm 119 mm 1480 g 800 Y Mar 2010 9,995i
17.
 
Sony RX1R II 113 mm 65 mm 72 mm 507 g 220 n Oct 2015 3,299 i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The ZX1 was launched at a lower price than the 645Z, despite having a lens built in. 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 imaging sensor is a crucial determinant 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 Zeiss ZX1 a full frame sensor. The sensor area in the ZX1 is 40 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.79 and 1.0. The sensor in the 645Z has a native 4:3 aspect ratio, while the one in the ZX1 offers a 3:2 aspect.

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

Pentax 645Z and Zeiss ZX1 sensor measures

With 51.1MP, the 645Z offers a higher resolution than the ZX1 (37.4MP), but the 645Z nevertheless has larger individual pixels (pixel pitch of 5.30μm versus 4.81μm for the ZX1) due to its larger sensor. However, the ZX1 is a much more recent model (by 4 years and 5 months) than the 645Z, and its sensor will 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 Zeiss ZX1 are 37.4 x 25 inches or 95.1 x 63.4 cm for good quality, 30 x 20 inches or 76.1 x 50.7 cm for very good quality, and 25 x 16.6 inches or 63.4 x 42.3 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 Zeiss ZX1 are ISO 80 to ISO 51200 (no boost).

645Z versus ZX1 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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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.
 
Zeiss ZX1 Full Frame 37.4 7488 49924K/30p........
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.
 
Hasselblad X1D Medium Format 51.3 8272 62001080/25p26.214.84489102
7.
 
Leica Q2 Full Frame 46.7 8368 55844K/30p26.413.5249196
8.
 
Leica M10 Full Frame 23.8 5952 3992none24.413.2213386
9.
 
Leica Q Typ 116 Full Frame 24.0 6000 40001080/60p24.312.7222185
10.
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188
11.
 
Nikon D850 Full Frame 45.4 8256 55044K/30p26.414.82660100
12.
 
Nikon D5 Full Frame 20.7 5588 37124K/30p25.112.3234388
13.
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387
14.
 
Nikon D4S Full Frame 16.2 4928 32801080/60p24.413.3307489
15.
 
Panasonic FZ1000 1-inch 20.0 5472 36484K/30p22.111.751764
16.
 
Pentax 645D Medium Format 39.5 7264 5440none24.612.6126282
17.
 
Sony RX1R II Full Frame 42.2 7952 53041080/60p25.813.9320497

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the ZX1 provides a better video resolution than the 645Z. It can shoot movie footage at 4K/30p, while the Pentax is limited to 1080/60i.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the ZX1 has an electronic viewfinder (6221k 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 ZX1 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 0.74x), 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 Pentax 645Z and Zeiss ZX1 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.
 
Zeiss ZX16221 n4.3 / 2765 fixed Y 1/1000s 3.0 n 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.
 
Hasselblad X1D2360 n3.0 / 920 fixed Y 1/2000s 2.3 n n
7.
 
Leica Q23680 n3.0 / 1040 fixed Y 1/2000s 20.0 n Y
8.
 
Leica M10optical n3.0 / 1037 fixed n 1/4000s 5.0 n n
9.
 
Leica Q Typ 1163680 n3.0 / 1040 fixed Y 1/2000s 10.0 n Y
10.
 
Leica SL4400 Y3.0 / 1040 fixed Y 1/8000s 11.0 n n
11.
 
Nikon D850optical Y3.2 / 2359 tilting Y 1/8000s 9.0 n n
12.
 
Nikon D5optical Y3.2 / 2359 fixed Y 1/8000s 14.0 n n
13.
 
Nikon D7200optical Y3.2 / 1229 fixed n 1/8000s 6.0 Y n
14.
 
Nikon D4Soptical Y3.2 / 921 fixed n 1/8000s 11.0 n n
15.
 
Panasonic FZ10002359 n3.0 / 921 swivel n 1/4000s 12.0 Y Y
16.
 
Pentax 645Doptical Y3.0 / 921 fixed n 1/4000s 1.1 n n
17.
 
Sony RX1R II2360 n3.0 / 1229 tilting n 1/4000s 5.0 n n

One feature that is present on the 645Z, but is missing on the ZX1 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 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 ZX1 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 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 ZX1 uses an internal SSD.

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 Zeiss ZX1 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.
 
Zeiss ZX1Ystereo / mono---3.1YYY
3.
 
Canon 1D X Mark IIYmono / monoYYmini3.0---
4.
 
Canon 5DSYmono / monoY-mini3.0---
5.
 
Canon 5DS RYmono / monoY-mini3.0---
6.
 
Hasselblad X1DYstereo / monoYYmini3.0Y--
7.
 
Leica Q2Ystereo / mono----Y-Y
8.
 
Leica M10Y- / -----Y--
9.
 
Leica Q Typ 116Ystereo / mono--micro2.0YY-
10.
 
Leica SLYstereo / monoYYfull3.0Y--
11.
 
Nikon D850Ystereo / monoYYmini3.0YYY
12.
 
Nikon D5Ystereo / monoYYmini3.0---
13.
 
Nikon D7200Ystereo / monoYYmini2.0YY-
14.
 
Nikon D4SYmono / monoYYmini2.0---
15.
 
Panasonic FZ1000Ystereo / monoY-micro2.0YY-
16.
 
Pentax 645DYstereo / ----2.0---
17.
 
Sony RX1R IIYstereo / monoY-micro2.0YY-

It is notable that the 645Z has a microphone port, which is missing on the ZX1. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Studio photographers will appreciate that the Pentax 645Z (unlike the ZX1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 645Z and the ZX1 are recent models that are part of the current product line-up. The 645Z replaced the earlier Pentax 645D, while the ZX1 does not have a direct predecessor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Pentax and Zeiss websites.

Review summary

So what conclusions can be drawn? Is there a clear favorite between the Pentax 645Z and the Zeiss ZX1? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

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Advantages of the Pentax 645Z:

  • More detail: Offers more megapixels (51.1 vs 37.4MP) with a 15% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • 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 0.74x).
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/1000s) to freeze action.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • More flexible: Can take a variety of interchangeable lenses, including specialty optics.
  • Longer lasting: Can take more shots (650 versus 250) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.

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Arguments in favor of the Zeiss ZX1:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60i).
  • 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%).
  • Larger screen: Has a bigger rear LCD (4.3" vs 3.2") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (2765k vs 1037k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Ready to shoot: Comes with an integrated lens, while the 645Z requires a separate lens.
  • More compact: Is smaller (142x93mm vs 156x117mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the 645Z).
  • 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.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More prestigious: Has the Zeiss luxury appeal, which ensures a high resale value.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.

If the number of relative strengths (bullet points above) is taken as a guide, the ZX1 emerges as the winner of the match-up (16 : 13 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

645Z 13:16 ZX1

How about other alternatives? Do the specifications of the Pentax 645Z and the Zeiss ZX1 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Prime Lens Compact 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 645Z or the ZX1. 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 where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular camera 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.
 
Zeiss ZX1......83/100.... Sep 2018 5,999 i
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.
 
Hasselblad X1D..o..81/100..4/5 Jun 2016 8,995i
7.
 
Leica Q2......84/1004.5/54/5 Mar 2019 4,995 i
8.
 
Leica M104.5/5......4/54.5/5 Jan 2017 6,595 i
9.
 
Leica Q Typ 1165/5....80/1004.5/54.5/5 Jun 2015 4,249i
10.
 
Leica SL4/5..4/584/1004.5/54/5 Oct 2015 7,450i
11.
 
Nikon D8504.5/5+ +5/589/1004.5/55/5 Jul 2017 3,299 i
12.
 
Nikon D5....4/589/1004.5/55/5 Jan 2016 6,499i
13.
 
Nikon D72004/5+ +..84/1004.5/54.5/5 Mar 2015 1,199i
14.
 
Nikon D4S5/5......4.5/54.5/5 Feb 2014 6,499i
15.
 
Panasonic FZ10004/5+ +..82/1004.5/54.5/5 Jun 2014 899i
16.
 
Pentax 645D5/5.......... Mar 2010 9,995i
17.
 
Sony RX1R II5/5....82/100..4.5/5 Oct 2015 3,299 i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. 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
Zeiss ZX1:
Check Amazon price

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. 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: Pentax 645Z vs Zeiss ZX1

    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 Zeiss ZX1
    Camera Type Digital single lens reflex Fixed lens compact camera
    Camera Lens Pentax 645 mount lenses 35mm f/2.8
    Launch Date April 2014 September 2018
    Launch Price USD 8,499 USD 5,999
    Sensor Specs Pentax 645Z Zeiss ZX1
    Sensor Technology CMOS CMOS
    Sensor Format Medium Format Sensor Full Frame Sensor
    Sensor Size 43.8 x 32.8 mm 36.0 x 24.0 mm
    Sensor Area 1436.64 mm2 864 mm2
    Sensor Diagonal 54.7 mm 43.3 mm
    Crop Factor 0.79x 1.0x
    Sensor Resolution 51.1 Megapixels 37.4 Megapixels
    Image Resolution 8256 x 6192 pixels 7488 x 4992 pixels
    Pixel Pitch 5.30 μm 4.81 μm
    Pixel Density 3.56 MP/cm2 4.33 MP/cm2
    Moiré control no AA filter Anti-Alias filter
    Movie Capability 1080/60i Video 4K/30p Video
    ISO Setting 100 - 204,800 ISO 80 - 51,200 ISO
    DXO Sensor Quality (score) 101 ..
    DXO Color Depth (bits) 26.0 ..
    DXO Dynamic Range (EV) 14.7 ..
    DXO Low Light (ISO) 4505 ..
    Screen Specs Pentax 645Z Zeiss ZX1
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 98% 100%
    Viewfinder Magnification 0.78x 0.74x
    Viewfinder Resolution 6221k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 4.3inch
    LCD Resolution 1037k dots 2765k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Pentax 645Z Zeiss ZX1
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 3 shutter flaps/s 3 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/8000s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards Internal SSD
    Second Storage Option Dual card slots Single SSD
    Connectivity Specs Pentax 645Z Zeiss ZX1
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 3.1
    HDMI Port mini HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Pentax 645Z Zeiss ZX1
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type D-LI90 DD-PS1A
    Battery Life (CIPA)650 shots per charge250 shots per charge
    Body Dimensions 156 x 117 x 123 mm
    (6.1 x 4.6 x 4.8 in)
    142 x 93 x 46 mm
    (5.6 x 3.7 x 1.8 in)
    Camera Weight 1550 g (54.7 oz) 800 g (28.2 oz)

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