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Panasonic LX100 vs Pentax 645Z

The Panasonic Lumix DMC-LX100 and the Pentax 645Z are two digital cameras that were revealed to the public, respectively, in September 2014 and April 2014. The LX100 is a fixed lens compact, while the 645Z is a DSLR. The cameras are based on a Four Thirds (LX100) and a medium format (645Z) sensor. The Panasonic has a resolution of 12.7 megapixels, whereas the Pentax provides 51.1 MP.

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

Headline Specifications
Panasonic LX100 versus Pentax 645Z
Panasonic LX100 Pentax 645Z
Fixed lens compact camera Digital single lens reflex
24-75mm f/1.7-2.8 Pentax 645 mount lenses
12.7 MP, Four Thirds Sensor 51.1 MP, Medium Format Sensor
4K/30p Video 1080/60i Video
ISO 200-25,600 ISO 100-204,800
Electronic viewfinder (2764k dots) Optical viewfinder
3.0 LCD, 921k dots 3.2 LCD, 1037k dots
Fixed screen (not touch-sensitive) Tilting screen (not touch-sensitive)
11 shutter flaps per second 3 shutter flaps per second
not weather sealedWeathersealed body
300 shots per battery charge650 shots per battery charge
115 x 66 x 55 mm, 393 g 156 x 117 x 123 mm, 1550 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-LX100 and the Pentax 645Z? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The side-by-side display below illustrates the physical size and weight of the Panasonic LX100 and the Pentax 645Z. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

The LX100 can be obtained in two different colors (black, silver), while the 645Z is only available in black.

Size Panasonic LX100 vs Pentax 645Z
Compare LX100 versus 645Z top
Comparison LX100 or 645Z rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax 645Z is considerably larger (140 percent) than the Panasonic LX100. It is noteworthy in this context that the 645Z is splash and dust-proof, while the LX100 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the LX100 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.

Concerning battery life, the LX100 gets 300 shots out of its DMW-BLG10 battery, while the 645Z can take 650 images on a single charge of its D-LI90 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Panasonic LX100 115 mm 66 mm 55 mm 393 g 300 n Sep 2014 899 i
2.
 
Pentax 645Z 156 mm 117 mm 123 mm 1550 g 650 Y Apr 2014 8,499 i
3.
 
Canon 5DS 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i
4.
 
Canon 5DS R 152 mm 116 mm 76 mm 930 g 700 Y Feb 2015 3,699 i
5.
 
Canon G1 X Mark II 116 mm 74 mm 66 mm 553 g 240 n Feb 2014 799i
6.
 
Hasselblad X1D 150 mm 98 mm 71 mm 725 g .. Y Jun 2016 8,995i
7.
 
Leica SL 147 mm 104 mm 39 mm 847 g 400 Y Oct 2015 7,450i
8.
 
Leica D-LUX Typ 109 118 mm 66 mm 55 mm 405 g 300 n Sep 2014 1,195i
9.
 
Panasonic LX100 II 115 mm 66 mm 65 mm 392 g 300 n Aug 2018 999 i
10.
 
Panasonic FZ1000 137 mm 99 mm 131 mm 831 g 360 n Jun 2014 899i
11.
 
Panasonic GM5 99 mm 60 mm 36 mm 211 g 220 n Sep 2014 749i
12.
 
Panasonic G6 122 mm 85 mm 71 mm 390 g 340 n Apr 2013 599i
13.
 
Panasonic GM1 99 mm 55 mm 30 mm 204 g 230 n Oct 2013 749i
14.
 
Panasonic GX7 123 mm 71 mm 55 mm 402 g 350 n Aug 2013 999i
15.
 
Panasonic GF1 119 mm 71 mm 36 mm 385 g 380 n Sep 2009 749i
16.
 
Panasonic GH1 124 mm 90 mm 45 mm 385 g 300 n Mar 2009 899i
17.
 
Pentax 645D 156 mm 117 mm 119 mm 1480 g 800 Y Mar 2010 9,995i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The LX100 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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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. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Panasonic LX100 features a Four Thirds sensor and the Pentax 645Z a medium format sensor. The sensor area in the 645Z is 677 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.2 and 0.79. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3. The LX100 has the particularity of featuring a switch that allows to toggle between multiple aspect ratios, while maintaining the same field of view and full image resolution.

Panasonic LX100 and Pentax 645Z sensor measures

With 51.1MP, the 645Z offers a higher resolution than the LX100 (12.7MP), but the 645Z nevertheless has larger individual pixels (pixel pitch of 5.30μm versus 3.82μm for the LX100) due to its larger sensor. However, the LX100 is a somewhat more recent model (by 5 months) than the 645Z, and its sensor might 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 645Z has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Pentax 645Z implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 645Z for good quality output (200 dots per inch) amounts to 41.3 x 31 inches or 104.9 x 78.6 cm, for very good quality (250 dpi) 33 x 24.8 inches or 83.9 x 62.9 cm, and for excellent quality (300 dpi) 27.5 x 20.6 inches or 69.9 x 52.4 cm. The corresponding values for the Panasonic LX100 are 20.6 x 15.4 inches or 52.2 x 39.2 cm for good quality, 16.4 x 12.4 inches or 41.8 x 31.4 cm for very good quality, and 13.7 x 10.3 inches or 34.8 x 26.1 cm for excellent quality prints.

The Panasonic Lumix DMC-LX100 has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 100-25600. The corresponding ISO settings for the Pentax 645Z are ISO 100 to ISO 204800 (no boost).

LX100 versus 645Z MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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. Of the two cameras under consideration, the 645Z offers substantially better image quality than the LX100 (overall score 34 points higher). The advantage is based on 3.7 bits higher color depth, 2.2 EV in additional dynamic range, and 3 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Panasonic LX100 Four Thirds 12.7 4112 30884K/30p22.312.555367
2.
 
Pentax 645Z Medium Format 51.1 8256 61921080/60i26.014.74505101
3.
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
4.
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
5.
 
Canon G1 X Mark II 1.5-inch 13.0 4160 31201080/30p21.510.858158
6.
 
Hasselblad X1D Medium Format 51.3 8272 62001080/25p26.214.84489102
7.
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188
8.
 
Leica D-LUX Typ 109 Four Thirds 12.7 4112 30884K/30p........
9.
 
Panasonic LX100 II Four Thirds 16.8 4736 35524K/30p........
10.
 
Panasonic FZ1000 1-inch 20.0 5472 36484K/30p22.111.751764
11.
 
Panasonic GM5 Four Thirds 15.8 4592 34481080/60p22.111.772166
12.
 
Panasonic G6 Four Thirds 15.9 4608 34561080/60p21.311.563961
13.
 
Panasonic GM1 Four Thirds 15.8 4592 34481080/60i22.311.766066
14.
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870
15.
 
Panasonic GF1 Four Thirds 12.0 4000 3000720/30p21.210.351354
16.
 
Panasonic GH1 Four Thirds 12.0 4000 30001080/24p21.611.677264
17.
 
Pentax 645D Medium Format 39.5 7264 5440none24.612.6126282

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the LX100 provides a higher video resolution than the 645Z. It can shoot video 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 range of features. For example, the LX100 has an electronic viewfinder (2764k 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 LX100 offers a wider field of view (100%) than the one in the 645Z (98%), so that a larger proportion of the captured image is visible in the finder. On the other hand, the viewfinder of the 645Z has a higher magnification (0.78x vs 0.70x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Panasonic LX100, the Pentax 645Z, and comparable cameras.

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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
1.
 
Panasonic LX1002764 n 3.0 921 fixed n 1/4000s 11.0 n Y
2.
 
Pentax 645Zoptical Y 3.2 1037 tilting n 1/4000s 3.0 n n
3.
 
Canon 5DSoptical Y 3.2 1040 fixed n 1/8000s 5.0 n n
4.
 
Canon 5DS Roptical Y 3.2 1040 fixed n 1/8000s 5.0 n n
5.
 
Canon G1 X Mark IIoptional n 3.0 1040 tilting Y 1/4000s 5.2 Y Y
6.
 
Hasselblad X1D2360 n 3.0 920 fixed Y 1/2000s 2.3 n n
7.
 
Leica SL4400 Y 3.0 1040 fixed Y 1/8000s 11.0 n n
8.
 
Leica D-LUX Typ 1092764 n 3.0 921 fixed n 1/4000s 11.0 n Y
9.
 
Panasonic LX100 II2764 n 3.0 1240 fixed Y 1/4000s 11.0 n Y
10.
 
Panasonic FZ10002359 n 3.0 921 swivel n 1/4000s 12.0 Y Y
11.
 
Panasonic GM51166 n 3.0 921 fixed Y 1/500s 5.8 n n
12.
 
Panasonic G61440 n 3.0 1036 swivel Y 1/4000s 7.0 Y n
13.
 
Panasonic GM1none n 3.0 1036 fixed Y 1/500s 5.0 Y n
14.
 
Panasonic GX72760 n 3.0 1040 tilting Y 1/8000s 5.0 Y Y
15.
 
Panasonic GF1optional n 3.0 460 fixed n 1/4000s 3.0 Y n
16.
 
Panasonic GH11440 n 3.0 460 swivel n 1/4000s 3.0 Y n
17.
 
Pentax 645Doptical Y 3.0 921 fixed n 1/4000s 1.1 n n

One feature that is present on the 645Z, but is missing on the LX100 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 LX100 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 LX100 and the Pentax 645Z 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 LX100 and the 645Z write their files to SDXC cards. The 645Z features dual card slots, which can be very useful in case a memory card fails. In contrast, the LX100 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.

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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 Panasonic Lumix DMC-LX100 and Pentax 645Z and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Panasonic LX100Ystereomono--micro2.0YY-
2.
 
Pentax 645ZYstereomonoY-mini3.0---
3.
 
Canon 5DSYmonomonoY-mini3.0---
4.
 
Canon 5DS RYmonomonoY-mini3.0---
5.
 
Canon G1 X Mark IIYstereomono--mini2.0YY-
6.
 
Hasselblad X1DYstereomonoYYmini3.0Y--
7.
 
Leica SLYstereomonoYYfull3.0Y--
8.
 
Leica D-LUX Typ 109Ystereomono--micro2.0YY-
9.
 
Panasonic LX100 IIYstereomono--micro2.0Y-Y
10.
 
Panasonic FZ1000YstereomonoY-micro2.0YY-
11.
 
Panasonic GM5Ystereomono--micro2.0Y--
12.
 
Panasonic G6YstereomonoY-mini2.0YY-
13.
 
Panasonic GM1-stereomono--micro2.0Y--
14.
 
Panasonic GX7Ystereomono--mini2.0YY-
15.
 
Panasonic GF1Ymonomono--mini2.0---
16.
 
Panasonic GH1Ystereo-Y-mini2.0---
17.
 
Pentax 645DYstereo----2.0---

It is notable that the LX100 offers wifi support, while the 645Z 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 645Z (unlike the LX100) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the LX100 and the 645Z are recent models that are part of the current product line-up. The 645Z replaced the earlier Pentax 645D, while the LX100 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 Panasonic and Pentax websites.

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Review summary

So what is the bottom line? Is there a clear favorite between the Panasonic LX100 and the Pentax 645Z? Which camera is better? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Panasonic Lumix DMC-LX100:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Flexible image proportions: Has a multi-aspect sensor that allows for alternative image shapes.
  • 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%).
  • Faster burst: Shoots at higher frequency (11 vs 3 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Ready to shoot: Comes with a built-in lens, while the 645Z requires a separate lens.
  • More compact: Is smaller (115x66mm vs 156x117mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the 645Z).
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • 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 at a lower price, despite coming with a built-in lens.
  • More modern: Is somewhat more recent (announced 5 months after the 645Z).

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Reasons to prefer the Pentax 645Z:

  • More detail: Has more megapixels (51.1 vs 12.7MP), which boosts linear resolution by 101%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (34 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (3.7 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.2 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (3 stops ISO advantage).
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.70x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1037k vs 921k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • More flexible: Makes it possible to change lenses and thus to use specialty optics.
  • Longer lasting: Gets more shots (650 versus 300) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Faster data transfer: Supports a more advanced USB protocol (3.0 vs 2.0).
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been on the market for longer (launched in April 2014).

If the count of individual advantages (bullet points above) is taken as a guide, the 645Z is the clear winner of the contest (20 : 15 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.

LX100 15:20 645Z

How about other alternatives? Do the specifications of the Panasonic LX100 and the Pentax 645Z place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best DSLR 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 LX100 or the 645Z. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], 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 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Panasonic LX1005/5+ +85/1005/55/5 Sep 2014 899 i
2.
 
Pentax 645Z5/5....4.5/55/5 Apr 2014 8,499 i
3.
 
Canon 5DS..+83/1004.5/54.5/5 Feb 2015 3,699 i
4.
 
Canon 5DS R5/5+83/1005/54.5/5 Feb 2015 3,699 i
5.
 
Canon G1 X Mark II3/5+77/1004/54.5/5 Feb 2014 799i
6.
 
Hasselblad X1D..o81/100..4/5 Jun 2016 8,995i
7.
 
Leica SL4/5..84/1004.5/54/5 Oct 2015 7,450i
8.
 
Leica D-LUX Typ 109......4.5/54.5/5 Sep 2014 1,195i
9.
 
Panasonic LX100 II4.5/5+82/1004.5/54.5/5 Aug 2018 999 i
10.
 
Panasonic FZ10004/5+ +82/1004.5/54.5/5 Jun 2014 899i
11.
 
Panasonic GM53.5/5+77/1005/54.5/5 Sep 2014 749i
12.
 
Panasonic G64/5+ +..5/54.5/5 Apr 2013 599i
13.
 
Panasonic GM13/5+78/1005/54.5/5 Oct 2013 749i
14.
 
Panasonic GX74/5+79/1005/55/5 Aug 2013 999i
15.
 
Panasonic GF1..85/10069/1004.5/54.5/5 Sep 2009 749i
16.
 
Panasonic GH1..+ +72/1004.5/54.5/5 Mar 2009 899i
17.
 
Pentax 645D5/5........ Mar 2010 9,995i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated 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, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

Panasonic LX100:
Check Amazon price
Pentax 645Z:
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 a corresponding selection in the search boxes below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Panasonic LX100 vs Pentax 645Z

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

    Camera Specifications
    Camera Model Panasonic LX100 Pentax 645Z
    Camera Type Fixed lens compact camera Digital single lens reflex
    Camera Lens 24-75mm f/1.7-2.8 Pentax 645 mount lenses
    Launch Date September 2014 April 2014
    Launch Price USD 899 USD 8,499
    Sensor Specs Panasonic LX100 Pentax 645Z
    Sensor Technology CMOS CMOS
    Sensor Format Four Thirds Sensor Medium Format Sensor
    Sensor Size 15.7 x 11.8 mm 43.8 x 32.8 mm
    Sensor Area 185.26 mm2 1436.64 mm2
    Sensor Diagonal 19.6 mm 54.7 mm
    Crop Factor 2.2x 0.79x
    Sensor Resolution 12.7 Megapixels 51.1 Megapixels
    Image Resolution 4112 x 3088 pixels 8256 x 6192 pixels
    Pixel Pitch 3.82 μm 5.30 μm
    Pixel Density 6.85 MP/cm2 3.56 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/30p Video 1080/60i Video
    ISO Setting 200 - 25,600 ISO 100 - 204,800 ISO
    ISO Boost 100 - 25,600 ISO no Enhancement
    Image Processor Venus PRIME III
    DXO Sensor Quality (score) 67 101
    DXO Color Depth (bits) 22.3 26.0
    DXO Dynamic Range (EV) 12.5 14.7
    DXO Low Light (ISO) 553 4505
    Screen Specs Panasonic LX100 Pentax 645Z
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 98%
    Viewfinder Magnification 0.70x 0.78x
    Viewfinder Resolution 2764k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 921k dots 1037k dots
    LCD Attachment Fixed screen Tilting screen
    Shooting Specs Panasonic LX100 Pentax 645Z
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 11 shutter flaps/s 3 shutter flaps/s
    Electronic Shutterup to 1/16000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support UHS-I UHS-I
    Connectivity Specs Panasonic LX100 Pentax 645Z
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support Wifi built-in no Wifi
    Near-Field Communication NFC built-in no NFC
    Body Specs Panasonic LX100 Pentax 645Z
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type DMW-BLG10 D-LI90
    Battery Life (CIPA)300 shots per charge650 shots per charge
    Body Dimensions 115 x 66 x 55 mm
    (4.5 x 2.6 x 2.2 in)
    156 x 117 x 123 mm
    (6.1 x 4.6 x 4.8 in)
    Camera Weight 393 g (13.9 oz) 1550 g (54.7 oz)

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