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Panasonic TZ100 vs Pentax 645Z

The Panasonic Lumix DMC-TZ100 (called Panasonic ZS100 in some regions) and the Pentax 645Z are two digital cameras that were announced, respectively, in January 2016 and April 2014. The TZ100 is a fixed lens compact, while the 645Z is a DSLR. The cameras are based on an one-inch (TZ100) and a medium format (645Z) sensor. The Panasonic has a resolution of 20 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 TZ100 versus Pentax 645Z
Panasonic TZ100 Pentax 645Z
Fixed lens compact camera Digital single lens reflex
25-250mm f/2.8-5.9 Pentax 645 mount lenses
20 MP, 1" Sensor 51.1 MP, Medium Format Sensor
4K/30p Video 1080/60i Video
ISO 125-12,800 (80 - 25,600) ISO 100-204,800
Electronic viewfinder (1166k dots) Optical viewfinder
3.0 LCD, 1040k dots 3.2 LCD, 1037k dots
Fixed touchscreen Tilting screen (not touch-sensitive)
10 shutter flaps per second 3 shutter flaps per second
In-body stabilizationLens stabilization only
not weather sealedWeathersealed body
300 shots per battery charge650 shots per battery charge
111 x 65 x 44 mm, 312 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-TZ100 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

An illustration of the physical size and weight of the Panasonic TZ100 and the Pentax 645Z is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

The TZ100 can be obtained in two different colors (black, silver), while the 645Z is only available in black.

Size Panasonic TZ100 vs Pentax 645Z
Compare TZ100 versus 645Z top
Comparison TZ100 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 (153 percent) than the Panasonic TZ100. It is noteworthy in this context that the 645Z is splash and dust-proof, while the TZ100 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the TZ100 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 TZ100 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 power pack in the TZ100 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

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, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Panasonic TZ100 4.4 in 2.6 in 1.7 in 11.0 oz 300 n Jan 2016 699i
 
Pentax 645Z 6.1 in 4.6 in 4.8 in 54.7 oz 650 Y Apr 2014 8,499 i
 
Canon G7 X Mark II 4.2 in 2.4 in 1.7 in 11.3 oz 265 n Feb 2016 699i
 
Canon 5DS 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i
 
Canon 5DS R 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i
 
Canon G5 X 4.4 in 3.0 in 1.7 in 12.5 oz 210 n Oct 2015 799i
 
Canon M3 4.4 in 2.7 in 1.7 in 12.9 oz 250 n Feb 2015 679i
 
Canon G7 X 4.1 in 2.4 in 1.6 in 10.7 oz 210 n Sep 2014 699i
 
Hasselblad X1D 5.9 in 3.9 in 2.8 in 25.6 oz .. Y Jun 2016 8,995i
 
Leica SL 5.8 in 4.1 in 1.5 in 29.9 oz 400 Y Oct 2015 7,450i
 
Panasonic TZ200 4.4 in 2.6 in 1.8 in 12.0 oz 370 n Feb 2018 799 i
 
Panasonic TZ90 4.4 in 2.6 in 1.6 in 11.4 oz 380 n Apr 2017 449i
 
Panasonic GX80 4.8 in 2.8 in 1.7 in 15.0 oz 290 n Apr 2016 799 i
 
Panasonic LX15 4.2 in 2.4 in 1.7 in 10.9 oz 260 n Sep 2016 699 i
 
Pentax 645D 6.1 in 4.6 in 4.7 in 52.2 oz 800 Y Mar 2010 9,995i
 
Sony RX100 V 4.0 in 2.3 in 1.6 in 10.5 oz 220 n Oct 2016 999 i
 
Sony RX100 IV 4.0 in 2.3 in 1.6 in 10.5 oz 280 n Jun 2015 999i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The TZ100 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.

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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Panasonic TZ100 features an one-inch sensor and the Pentax 645Z a medium format sensor. The sensor area in the 645Z is 1139 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 0.79. The sensor in the TZ100 has a native 3:2 aspect ratio, while the one in the 645Z offers a 4:3 aspect.

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

Panasonic TZ100 and Pentax 645Z sensor measures

With 51.1MP, the 645Z offers a higher resolution than the TZ100 (20MP), but the 645Z nevertheless has larger individual pixels (pixel pitch of 5.30μm versus 2.41μm for the TZ100) due to its larger sensor. However, the TZ100 is a somewhat more recent model (by 1 year and 8 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 TZ100 are 27.4 x 18.2 inches or 69.5 x 46.3 cm for good quality, 21.9 x 14.6 inches or 55.6 x 37.1 cm for very good quality, and 18.2 x 12.2 inches or 46.3 x 30.9 cm for excellent quality prints.

The Panasonic Lumix DMC-TZ100 has a native sensitivity range from ISO 125 to ISO 12800, which can be extended to ISO 80-25600. The corresponding ISO settings for the Pentax 645Z are ISO 100 to ISO 204800 (no boost).

TZ100 versus 645Z MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under consideration, the 645Z offers substantially better image quality than the TZ100 (overall score 31 points higher). The advantage is based on 3.2 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
 
Panasonic TZ100 1-inch 20.0 5472 36484K/30p22.812.555970
 
Pentax 645Z Medium Format 51.1 8256 61921080/60i26.014.74505101
 
Canon G7 X Mark II 1-inch 20.0 5472 36481080/60p........
 
Canon 5DS Full Frame 50.3 8688 57921080/30p24.712.4238187
 
Canon 5DS R Full Frame 50.3 8688 57921080/30p24.612.4230886
 
Canon G5 X 1-inch 20.0 5472 36481080/60p........
 
Canon M3 APS-C 24.0 6000 40001080/30p22.811.8116972
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671
 
Hasselblad X1D Medium Format 51.3 8272 62001080/25p26.214.84489102
 
Leica SL Full Frame 24.0 6000 40004K/30p25.013.4182188
 
Panasonic TZ200 1-inch 20.0 5472 36484K/30p........
 
Panasonic TZ90 1/2.3 20.2 5184 38884K/30p19.110.610636
 
Panasonic GX80 Four Thirds 15.8 4592 34484K/30p22.912.666271
 
Panasonic LX15 1-inch 20.0 5472 36484K/30p........
 
Pentax 645D Medium Format 39.5 7264 5440none24.612.6126282
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the TZ100 provides a higher video resolution than the 645Z. It can shoot video footage at 4K/30p, while the Pentax is limited to 1080/60i.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the TZ100 has an electronic viewfinder (1166k 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 TZ100 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 0.46x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Panasonic TZ100 and Pentax 645Z 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
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
 
Panasonic TZ1001166 n 3.0 1040 fixed Y 1/2000s 10.0 Y Y
 
Pentax 645Zoptical Y 3.2 1037 tilting n 1/4000s 3.0 n n
 
Canon G7 X Mark IInone n 3.0 1040 tilting Y 1/2000s 8.0 Y Y
 
Canon 5DSoptical Y 3.2 1040 fixed n 1/8000s 5.0 n n
 
Canon 5DS Roptical Y 3.2 1040 fixed n 1/8000s 5.0 n n
 
Canon G5 X2360 n 3.0 1040 swivel Y 1/2000s 5.9 Y Y
 
Canon M3optional n 3.0 1040 tilting Y 1/4000s 4.2 Y n
 
Canon G7 Xnone n 3.0 1040 tilting Y 1/2000s 6.5 Y Y
 
Hasselblad X1D2360 n 3.0 920 fixed Y 1/2000s 2.3 n n
 
Leica SL4400 Y 3.0 1040 fixed Y 1/8000s 11.0 n n
 
Panasonic TZ2002330 n 3.0 1240 fixed Y 1/2000s 10.0 Y Y
 
Panasonic TZ901166 n 3.0 1040 tilting Y 1/2000s 10.0 Y Y
 
Panasonic GX802765 n 3.0 1040 tilting Y 1/4000s 8.0 Y Y
 
Panasonic LX15none n 3.0 1040 tilting Y 1/4000s 10.0 Y Y
 
Pentax 645Doptical Y 3.0 921 fixed n 1/4000s 1.1 n n
 
Sony RX100 V2359 n 3.0 1229 tilting n 1/2000s 24.0 Y Y
 
Sony RX100 IV2359 n 3.0 1228 tilting n 1/2000s 16.0 Y Y

One difference between the cameras concerns the presence of an on-board flash. The TZ100 has one, while the 645Z does not. While the built-in flash of the TZ100 is not very powerful, it can at times be useful as a fill-in light.

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 TZ100 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 TZ100 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 TZ100 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 TZ100 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 Panasonic Lumix DMC-TZ100 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
 
Panasonic TZ100-stereomono--micro2.0Y--
 
Pentax 645ZYstereomonoY-mini3.0---
 
Canon G7 X Mark II-stereomono--micro2.0YY-
 
Canon 5DSYmonomonoY-mini3.0---
 
Canon 5DS RYmonomonoY-mini3.0---
 
Canon G5 XYstereomono--mini2.0YY-
 
Canon M3YstereomonoY-mini2.0YY-
 
Canon G7 X-stereomono--micro2.0YY-
 
Hasselblad X1DYstereomonoYYmini3.0Y--
 
Leica SLYstereomonoYYfull3.0Y--
 
Panasonic TZ200-stereomono--micro2.0Y-Y
 
Panasonic TZ90-stereomono--micro2.0Y--
 
Panasonic GX80Ystereomono--micro2.0Y--
 
Panasonic LX15-stereomono--micro2.0Y--
 
Pentax 645DYstereo----2.0---
 
Sony RX100 V-stereomono--micro2.0YY-
 
Sony RX100 IV-stereomono--micro2.0YY-

It is notable that the TZ100 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 TZ100) 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 TZ100 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the TZ100 was succeeded by the Panasonic TZ200. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Panasonic and Pentax websites.

Review summary

So how do things add up? Is there a clear favorite between the Panasonic TZ100 and the Pentax 645Z? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Panasonic Lumix DMC-TZ100:

  • 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%).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • 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.
  • Ready to shoot: Comes with a built-in lens, while the 645Z requires a separate lens.
  • More compact: Is smaller (111x65mm 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).
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More modern: Is somewhat more recent (announced 1 year and 8 months after the 645Z).

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Arguments in favor of the Pentax 645Z:

  • More detail: Has more megapixels (51.1 vs 20MP), which boosts linear resolution by 57%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (31 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (3.2 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 0.46x).
  • 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 flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
  • 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.
  • 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 heavily discounted: Has been on the market for longer (launched in April 2014).

If the count of relative strengths (bullet points above) is taken as a measure, the 645Z is the clear winner of the contest (21 : 15 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. 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.

TZ100 15:21 645Z

How about other alternatives? Do the specifications of the Panasonic TZ100 and the Pentax 645Z place the cameras among the top in their class? Find out in the latest Best Superzoom Camera and Best DSLR 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the TZ100 or the 645Z. 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 hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Panasonic TZ100+ +82/1004.5/54/54.5/5 Jan 2016 699i
 
Pentax 645Z....4.5/55/55/5 Apr 2014 8,499 i
 
Canon G7 X Mark II+ +81/1004.5/54/54.5/5 Feb 2016 699i
 
Canon 5DS+83/1004.5/55/54.5/5 Feb 2015 3,699 i
 
Canon 5DS R+83/1005/55/54.5/5 Feb 2015 3,699 i
 
Canon G5 X+ +78/1004.5/54/54.5/5 Oct 2015 799i
 
Canon M3o75/1004.5/54.5/54/5 Feb 2015 679i
 
Canon G7 X+ +77/1004.5/53.5/54.5/5 Sep 2014 699i
 
Hasselblad X1Do81/100....4/5 Jun 2016 8,995i
 
Leica SL..84/1004.5/54/54/5 Oct 2015 7,450i
 
Panasonic TZ200+ +81/1004.5/5..4.5/5 Feb 2018 799 i
 
Panasonic TZ90+ +..4/5..4/5 Apr 2017 449i
 
Panasonic GX80+ +82/1005/54.5/55/5 Apr 2016 799 i
 
Panasonic LX15+ +81/1004/54.5/54.5/5 Sep 2016 699 i
 
Pentax 645D......4.5/5.. Mar 2010 9,995i
 
Sony RX100 V+ +83/1004/55/54.5/5 Oct 2016 999 i
 
Sony RX100 IV+ +85/1004/54.5/54.5/5 Jun 2015 999i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Panasonic TZ100:
Check Ebay offers
Pentax 645Z:
Check Amazon price

Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. 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 TZ100 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 TZ100 Pentax 645Z
    Camera Type Fixed lens compact camera Digital single lens reflex
    Camera Lens 25-250mm f/2.8-5.9 Pentax 645 mount lenses
    Launch Date January 2016 April 2014
    Launch Price USD 699 USD 8,499
    Sensor Specs Panasonic TZ100 Pentax 645Z
    Sensor Technology CMOS CMOS
    Sensor Format 1" Sensor Medium Format Sensor
    Sensor Size 13.2 x 8.8 mm 43.8 x 32.8 mm
    Sensor Area 116.16 mm2 1436.64 mm2
    Sensor Diagonal 15.9 mm 54.7 mm
    Crop Factor 2.7x 0.79x
    Sensor Resolution 20 Megapixels 51.1 Megapixels
    Image Resolution 5472 x 3648 pixels 8256 x 6192 pixels
    Pixel Pitch 2.41 μm 5.30 μm
    Pixel Density 17.18 MP/cm2 3.56 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 4K/30p Video 1080/60i Video
    ISO Setting 125 - 12,800 ISO 100 - 204,800 ISO
    ISO Boost 80 - 25,600 ISO no Enhancement
    Image Processor Venus PRIME III
    DXO Sensor Quality (score) 70 101
    DXO Color Depth (bits) 22.8 26.0
    DXO Dynamic Range (EV) 12.5 14.7
    DXO Low Light (ISO) 559 4505
    Screen Specs Panasonic TZ100 Pentax 645Z
    Viewfinder Type Electronic viewfinder Optical viewfinder
    Viewfinder Field of View 100% 98%
    Viewfinder Magnification 0.46x 0.78x
    Viewfinder Resolution 1166k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 1040k dots 1037k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input Touchscreen no Touchscreen
    Shooting Specs Panasonic TZ100 Pentax 645Z
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/4000s
    Continuous Shooting 10 shutter flaps/s 3 shutter flaps/s
    Electronic Shutterup to 1/16000sno E-Shutter
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationIn-body stabilizationLens stabilization only
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support UHS-I UHS-I
    Connectivity Specs Panasonic TZ100 Pentax 645Z
    External Flash no 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
    Body Specs Panasonic TZ100 Pentax 645Z
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type DMW-BLG10 D-LI90
    Battery Life (CIPA)300 shots per charge650 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 111 x 65 x 44 mm
    (4.4 x 2.6 x 1.7 in)
    156 x 117 x 123 mm
    (6.1 x 4.6 x 4.8 in)
    Camera Weight 312 g (11.0 oz) 1550 g (54.7 oz)

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