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Pentax 645Z vs Leica CL

The Pentax 645Z and the Leica CL (Typ 7323) are two digital cameras that were announced, respectively, in April 2014 and November 2017. The 645Z is a DSLR, while the CL is a mirrorless interchangeable lens camera. The cameras are based on a medium format (645Z) and an APS-C (CL) sensor. The Pentax has a resolution of 51.1 megapixels, whereas the Leica provides 24.1 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
Leica CL
Pentax 645Z   Leica CL
Digital single lens reflex Mirrorless system camera
Pentax 645 mount lenses Leica T mount lenses
51.1 MP – Medium Format sensor 24.1 MP – APS-C sensor
1080/60i Video 4K/30p Video
ISO 100-204,800 ISO 100-50,000
Optical viewfinder Electronic viewfinder (2360k dots)
3.2" LCD – 1037k dots 3.0" LCD – 1040k dots
Tilting screen (no touchscreen) Fixed touchscreen
3 shutter flaps per second 10 shutter flaps per second
Weathersealed bodynot weather sealed
650 shots per battery charge220 shots per battery charge
156 x 117 x 123 mm, 1550 g 131 x 78 x 45 mm, 403 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax 645Z and the Leica CL (Typ 7323)? 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.

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Body comparison

The physical size and weight of the Pentax 645Z and the Leica CL are illustrated 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.

Size Pentax 645Z vs Leica CL
Compare 645Z versus CL top
Comparison 645Z or CL rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Leica CL is considerably smaller (44 percent) than the Pentax 645Z. Moreover, the CL is substantially lighter (74 percent) than the 645Z. It is worth mentioning in this context that the 645Z is splash and dust resistant, while the CL 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 Pentax D-LI90 battery, while the CL can take 220 images on a single charge of its Leica BP-DC12 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
  empty Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price
Street
Price
1.
 
Pentax 645Z 156 mm 117 mm 123 mm 1550 g 650 Y Apr 2014 US$ 8 499ebay.com
2.
 
Leica CL 131 mm 78 mm 45 mm 403 g 220 n Nov 2017 US$ 2 795ebay.com
3.
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 US$ 5 999ebay.com
4.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 US$ 3 699ebay.com
5.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 US$ 3 699ebay.com
6.
 
Fujifilm X-A3 117 mm 67 mm 40 mm 339 g 410 n Aug 2016 US$ 399ebay.com
7.
 
Fujifilm X-T20 118 mm 83 mm 41 mm 383 g 350 n Jan 2017 US$ 899ebay.com
8.
 
Hasselblad X1D 150 mm 98 mm 71 mm 725 g .. Y Jun 2016 US$ 8 995ebay.com
9.
 
Leica M11 139 mm 80 mm 39 mm 640 g 700 Y Jan 2022 US$ 8 999 amazon.com
10.
 
Leica SL 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 US$ 7 449ebay.com
11.
 
Leica TL2 134 mm 69 mm 33 mm 399 g 250 n Jul 2017 US$ 1 949ebay.com
12.
 
Nikon D4S 160 mm 157 mm 91 mm 1350 g 3020 Y Feb 2014 US$ 6 499ebay.com
13.
 
Nikon D5 160 mm 159 mm 92 mm 1415 g 3780 Y Jan 2016 US$ 6 499ebay.com
14.
 
Nikon D3400 124 mm 98 mm 76 mm 445 g 1200 n Aug 2016 US$ 499ebay.com
15.
 
Nikon D5600 124 mm 97 mm 70 mm 465 g 970 n Nov 2016 US$ 699ebay.com
16.
 
Nikon D7200 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 US$ 1 199ebay.com
17.
 
Pentax 645D 156 mm 117 mm 119 mm 1480 g 800 Y Mar 2010 US$ 9 995ebay.com
Note: 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 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 CL was launched at a markedly lower price (by 67 percent) than the 645Z, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Pentax 645Z features a medium format sensor and the Leica CL an APS-C sensor. The sensor area in the CL is 74 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 CL offers a 3:2 aspect.

Pentax 645Z and Leica CL sensor measures

With 51.1MP, the 645Z offers a higher resolution than the CL (24.1MP), but the 645Z nevertheless has larger individual pixels (pixel pitch of 5.30μm versus 3.92μm for the CL) due to its larger sensor. However, the CL is a much more recent model (by 3 years and 7 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 neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the 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 Leica CL are 30.1 x 20.1 inches or 76.4 x 51 cm for good quality, 24.1 x 16.1 inches or 61.1 x 40.8 cm for very good quality, and 20 x 13.4 inches or 50.9 x 34 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 Leica CL (Typ 7323) are ISO 100 to ISO 50000 (no boost).

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

645Z versus CL MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  empty 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.
 
Leica CL APS-C 24.1 6014 40144K/30p24.013.3178882
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.
 
Fujifilm X-A3 APS-C 24.0 6000 40001080/60p23.813.1166481
7.
 
Fujifilm X-T20 APS-C 24.0 6000 40004K/30p23.913.2170481
8.
 
Hasselblad X1D Medium Format 51.3 8272 62001080/25p26.214.84489102
9.
 
Leica M11 Full Frame 60.3 9528 6328none26.314.83376100
10.
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188
11.
 
Leica TL2 APS-C 24.1 6014 40144K/30p23.913.3175382
12.
 
Nikon D4S Full Frame 16.2 4928 32801080/60p24.413.3307489
13.
 
Nikon D5 Full Frame 20.7 5588 37124K/30p25.112.3234388
14.
 
Nikon D3400 APS-C 24.0 6000 40001080/60p24.813.9119286
15.
 
Nikon D5600 APS-C 24.0 6000 40001080/60p24.114.0130684
16.
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387
17.
 
Pentax 645D Medium Format 39.5 7264 5440none24.612.6126282
Note: DXO values in italics represent estimates based on sensor size and age.

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, but the CL provides a better video resolution than the 645Z. It can shoot movie footage at 4K/30p, while the Pentax is limited to 1080/60i.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the CL has an electronic viewfinder (2360k 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 CL 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 0.49x), 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 Leica CL along with similar information for a selection of comparators.

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Core Features
  empty Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Pentax 645Zoptical Y3.2 / 1037 tilting n 1/4000s 3.0/s n n
2.
 
Leica CL2360 Y3.0 / 1040 fixed Y 1/8000s 10.0/s n n
3.
 
Canon 1D X Mark IIoptical Y3.2 / 1620 fixed Y 1/8000s 16.0/s n n
4.
 
Canon 5DSoptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
5.
 
Canon 5DS Roptical Y3.2 / 1040 fixed n 1/8000s 5.0/s n n
6.
 
Fujifilm X-A3none n3.0 / 1040 tilting Y 1/4000s 6.0/s Y n
7.
 
Fujifilm X-T202360 n3.0 / 1040 tilting Y 1/4000s 8.0/s Y n
8.
 
Hasselblad X1D2360 n3.0 / 920 fixed Y 1/2000s 2.3/s n n
9.
 
Leica M11optical n3.0 / 2333 fixed Y 1/4000s 4.5/s n n
10.
 
Leica SL4400 Y3.0 / 1040 fixed Y 1/8000s 11.0/s n n
11.
 
Leica TL2optional n3.7 / 1230 fixed Y 1/4000s 7.0/s n n
12.
 
Nikon D4Soptical Y3.2 / 921 fixed n 1/8000s 11.0/s n n
13.
 
Nikon D5optical Y3.2 / 2359 fixed Y 1/8000s 14.0/s n n
14.
 
Nikon D3400optical n3.0 / 921 fixed n 1/4000s 5.0/s Y n
15.
 
Nikon D5600optical n3.2 / 1037 swivel Y 1/4000s 5.0/s Y n
16.
 
Nikon D7200optical Y3.2 / 1229 fixed n 1/8000s 6.0/s Y n
17.
 
Pentax 645Doptical Y3.0 / 921 fixed n 1/4000s 1.1/s n n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The CL has a touchscreen, while the 645Z has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

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 CL 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 and the Leica CL 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 645Z and the CL 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 CL only has one slot. The CL supports UHS-II cards (Ultra High Speed data transfer of up to 312 MB/s), while the 645Z can use UHS-I cards (up to 104 MB/s).

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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 Leica CL (Typ 7323) and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty 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.
 
Leica CLYstereo / mono----Y--
3.
 
Canon 1D X Mark IIYmono / monoYYmini3.0---
4.
 
Canon 5DSYmono / monoY-mini3.0---
5.
 
Canon 5DS RYmono / monoY-mini3.0---
6.
 
Fujifilm X-A3Ystereo / mono--micro2.0Y--
7.
 
Fujifilm X-T20Ystereo / monoY-micro2.0Y--
8.
 
Hasselblad X1DYstereo / monoYYmini3.0Y--
9.
 
Leica M11Y- / ----3.2Y-Y
10.
 
Leica SLYstereo / monoYYfull3.0Y--
11.
 
Leica TL2Ystereo / mono--micro3.0Y--
12.
 
Nikon D4SYmono / monoYYmini2.0---
13.
 
Nikon D5Ystereo / monoYYmini3.0---
14.
 
Nikon D3400Ymono / mono--mini2.0--Y
15.
 
Nikon D5600Ystereo / monoY-mini2.0YYY
16.
 
Nikon D7200Ystereo / monoYYmini2.0YY-
17.
 
Pentax 645DYstereo / ----2.0---

It is notable that the 645Z has a microphone port, which is missing on the CL. 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 CL) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 645Z and the CL have been discontinued, but can regularly be found used on ebay. Neither of the two has a direct successor, so they represent the end of the respective camera lines from Pentax and Leica. Further information on the features and operation of the 645Z and CL can be found, respectively, in the Pentax 645Z Manual (free pdf) or the online Leica CL Manual.

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Review summary

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

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Arguments in favor of the Pentax 645Z:

  • More detail: Offers more megapixels (51.1 vs 24.1MP) with a 43% higher linear resolution.
  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • 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 0.49x).
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Longer lasting: Can take more shots (650 versus 220) 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.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been available for much longer (launched in April 2014).

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Advantages of the Leica CL (Typ 7323):

  • 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%).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 3 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (131x78mm vs 156x117mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 1147g or 74 percent) and is thus easier to take along.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale value.
  • More affordable: Was introduced into a lower priced category (67 percent cheaper at launch).
  • More modern: Reflects 3 years and 7 months of technical progress since the 645Z launch.

If the count of individual advantages (bullet points above) is taken as a guide, the match-up finishes in a tie (15 points each). 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 sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

645Z 15:15 CL

How about other alternatives? Do the specifications of the Pentax 645Z and the Leica CL 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 CL 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 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
  empty  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price
Street
Price
1.
 
Pentax 645Z5/5..3.5/5..4.5/55/5 Apr 2014 US$ 8 499ebay.com
2.
 
Leica CL....4.2/5....4/5 Nov 2017 US$ 2 795ebay.com
3.
 
Canon 1D X Mark II....4.5/589/1004.5/54.5/5 Feb 2016 US$ 5 999ebay.com
4.
 
Canon 5DS..+..83/1004.5/54.5/5 Feb 2015 US$ 3 699ebay.com
5.
 
Canon 5DS R5/5+..83/1005/54.5/5 Feb 2015 US$ 3 699ebay.com
6.
 
Fujifilm X-A3......74/1004.5/54/5 Aug 2016 US$ 399ebay.com
7.
 
Fujifilm X-T205/5+ +5/582/1005/54.5/5 Jan 2017 US$ 899ebay.com
8.
 
Hasselblad X1D..o..81/100..4/5 Jun 2016 US$ 8 995ebay.com
9.
 
Leica M114.5/5..4.5/5..4.5/54.5/5 Jan 2022 US$ 8 999 amazon.com
10.
 
Leica SL4/5..4/584/1004.5/54/5 Oct 2015 US$ 7 449ebay.com
11.
 
Leica TL23.5/5..3/5..4/54/5 Jul 2017 US$ 1 949ebay.com
12.
 
Nikon D4S5/5......4.5/54.5/5 Feb 2014 US$ 6 499ebay.com
13.
 
Nikon D5....4/589/1004.5/55/5 Jan 2016 US$ 6 499ebay.com
14.
 
Nikon D34004/5+4/576/1004/54.5/5 Aug 2016 US$ 499ebay.com
15.
 
Nikon D56004/5..4/579/1004.5/54/5 Nov 2016 US$ 699ebay.com
16.
 
Nikon D72004/5+ +..84/1004.5/54.5/5 Mar 2015 US$ 1 199ebay.com
17.
 
Pentax 645D5/5.......... Mar 2010 US$ 9 995ebay.com
Note: (+ +) 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. 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, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Pentax 645Z vs Leica CL

    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 Leica CL
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Pentax 645 mount lenses Leica T mount lenses
    Launch Date April 2014 November 2017
    Launch Price USD 8,499 USD 2,795
    Sensor Specs Pentax 645Z Leica CL
    Sensor Technology CMOS CMOS
    Sensor Format Medium Format Sensor APS-C Sensor
    Sensor Size 43.8 x 32.8 mm 23.6 x 15.7 mm
    Sensor Area 1436.64 mm2 370.52 mm2
    Sensor Diagonal 54.7 mm 28.3 mm
    Crop Factor 0.79x 1.5x
    Sensor Resolution 51.1 Megapixels 24.1 Megapixels
    Image Resolution 8256 x 6192 pixels 6014 x 4014 pixels
    Pixel Pitch 5.30 μm 3.92 μm
    Pixel Density 3.56 MP/cm2 6.52 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/60i Video 4K/30p Video
    ISO Setting 100 - 204,800 ISO 100 - 50,000 ISO
    Image Processor PRIME III Maestro II
    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 Leica CL
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 98% 100%
    Viewfinder Magnification 0.78x 0.49x
    Viewfinder Resolution 2360k dots
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 1037k dots 1040k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Pentax 645Z Leica CL
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/8000s
    Continuous Shooting 3 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/25000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support UHS-I UHS-II
    Connectivity Specs Pentax 645Z Leica CL
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 no USB
    HDMI Port mini HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support no Wifi Wifi built-in
    Body Specs Pentax 645Z Leica CL
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Pentax D-LI90 Leica BP-DC12
    Battery Life (CIPA)650 shots per charge220 shots per charge
    Body Dimensions 156 x 117 x 123 mm
    (6.1 x 4.6 x 4.8 in)
    131 x 78 x 45 mm
    (5.2 x 3.1 x 1.8 in)
    Camera Weight 1550 g (54.7 oz) 403 g (14.2 oz)
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