Pentax 645Z Review

Overall 70
Imaging 60
Features 55
Size 66
Price 0

Main Features

  • 51.0 MP Medium format CMOS sensor
  • ISO 100 - 204800
  • Image Stabilization: No
  • 3.2″ Tilting Screen
  • ViewFinder: Yes
  • 3.0 fps Continuous Shooting
  • Video: 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
  • Built-in Wireless: No
  • Dimensions: 156 x 117 x 123 mm
  • Weight: 1550 g
  • Environmental Sealing: Yes
  • Built-in GPS: Yes
  • Replaced Pentax 645D. Compare

Pentax 645Z Summary

This review is devoted to 645Z that Pentax has first introduced to the public in Apr 15, 2014. This model is a Pro DSLR camera with a resolution of 51.0 MP and a Medium format (44 x 33 mm) sized CMOS sensor.

This is an upgraded model that Pentax released to replace their older product 645D. To learn more about the specs and difference between these two models, check our complete comparison by following this link:
Pentax 645Z vs. 645D

In Pro DSLR cameras (Top 10 DSLR Cameras) this model has taken rank #1 out of 200. Its Overall Score has reached 70/100 and it takes a rank of #3 out of 1174 in all Cameras.

Pentax 645Z Compared to other DSLR Cameras

Now let's delve into more details of our Pentax 645Z review by assessing its features and specs, as well as checking what pros and cons it has compared to other average products in this category.

PROs

  • Screen Type: Tilting
  • Screen Size: 3.2″
  • Dxo Dynamic Range: 14.7
  • Dxo Low Light Iso: 4505
  • AutoFocus Face Detection: Yes
  • Microphone Port: Yes
  • Environmental Sealing: Yes
  • Dust Proof: Yes
  • Freeze Proof: Yes
  • Timelapse Recording: Yes

CONs

  • Continuous Shooting: 3.0 fps
  • Number Of Focus Points: 27
  • Headphone Port: No
  • Wireless Connectivity: No
  • Battery Life: 650 shots

Popular comparisons of Pentax 645Z

Complete Comparison of Pentax 645Z With Other Cameras in Pro DSLR Category

In this part of our review, we are going to take a closer look at the technical specs and features presented in Pentax 645Z. In addition, we are going to define the main pros and cons of this model and, based on this info, compare it to other average Pro DSLR cameras.

Physical Characteristics Of Pentax 645Z

Pentax 645Z has the following external dimensions 156 x 156 x 123 mm (61.42 x 46.06 x 48.43″) with the weight of 1550 g.

The typical weight for average Pro DSLR type cameras is 1275g. If we compare the average indicator to the weight of Pentax 645Z, we can conclude that this model is heavier than many other similar products.

Talking about the camera’s thickness, it is worth saying that Pentax 645Z is wider than other average cameras from this class. Its thickness is 123mm.

Look at the pictures below to see the front and top view of Pentax 645Z with the indication of this model’s dimensions:

HTML
BB

If you want to have a better idea of how big the Pentax 645Z is, look at the pictures below to see how big it is compared to a credit card and a AA type battery.

HTML
BB

Finally, let's check how different are the weight and thickness of the Pentax 645Z compared to other models from this class of cameras presented by the brand’s competitors:

Battery

Pentax 645Z — 650 shots
Min: 650 shots
Average: 2336 shots
Max: 4400 shots

Thickness

Pentax 645Z — 123 mm
Min: 74 mm
Average: 85 mm
Max: 123 mm

Weight

Pentax 645Z — 1550 g
Min: 735 g
Average: 1275 g
Max: 1585 g

Pentax 645Z‘s body is protected from dust with its high-quality dustproof feature.

Unfortunately, Pentax 645Z comes without a waterproof feature, so if you want it to serve well and last longer, you will have to use it very carefully and avoid water.

Pentax 645Z Photo and Sensor Features

Pentax 645Z comes with PRIME III processor. This model also boasts of a resolution of 51.0 MP and is equipped with a Medium format (44 x 33 mm) sized CMOS sensor.

The base of Pentax 645Z has the following ISO range 100 - 204800 .

Also, this model comes with the support of the RAW file. This gives you more opportunities in terms of further processing of your files as you can pick to save them in a RAW format.

In a huge database of models that we have collected, Pentax 645Z features a 51.0 MP sensor. In the Pro DSLR class, there is a high-resolution camera.

DxOMark Sensor Scores

DxOMark gives us a possibility to make a clear and scientific assessment of the quality of camera sensors’ image. Pentax 645Z, in its turn, features a sensor that was already studied and assessed by DxO Mark. After a complete evaluation, this type of sensor has received a score of 101 for the image quality. If you are looking to see how DxO Mark has tested and evaluated the Pentax 645Z’s sensor.

Now let’s check how we can compare the size of Medium format sensor featured in Pentax 645Z with other standard sensor sizes.

HTML
BB

Other Characteristics And Features of Pentax 645Z

LCD and ViewFinder

Pentax 645Z is equipped with a Tilting 3.2" LCD screen. The resolution of this model’s screen reaches 1,037k dots.

In addition, this model comes with a built-in Optical (pentaprism) ViewFinder.

The ViewFinder in 645Z has quite nice characteristic. Its magnification ratio is 0.85x and it also provides a coverage of 98%.

Compared to other cameras from this class, this model may not come with the highest magnification and coverage indicators. However, even though its coverage is only 98%, this can’t be called a significant disadvantage.

Some of the main reasons why the OVF presented in this model is a handy tool are that it allows you to see a scene without any time lag or resolution limits. Besides, it also ensures the highest level of clarity that can be elaborated by the lens and the human eye. Who can benefit from this feature? The OVF is especially handy when shooting sports events. This smart system will allow photographers to see action instantly and figure out what is the right timing for capturing a specific moment.

Max Shutter speed

Some of the other highlights of Pentax 645Z are its 3.0 fps max speed and 1/4000 sec max shutter speed, which allow you to shoot continuously.

Flash

Unlike some other cameras from this category, 645Z unfortunately, is not equipped with a built-in flash. Luckily, it has a special slot for external flashes instead.

Focusing

One more highlight that makes Pentax 645Z stand out is the fact that it features two smart AutoFocusing systems. One of these systems is called Phase Detection and the other one is Contrast Detection. Both features stand for higher accuracy and focus speed in different situations. With the smart AutoFocus system presented in this model, photographers can choose from 27 points.

In addition, 645Z has a Face detection AF feature that quickly finds the faces that appear within the frame range and locks the focus on them automatically.

Video Features

As for the video quality characteristics of Pentax 645Z, it gives you a possibility to shoot videos at the highest resolution of 1920 x 1080 You also have enough flexibility in terms of how you can save your files. Namely, Pentax 645Z allows you to save files in MPEG-4 and H.264 formats.

Pentax 645Z provides full HD resolution, which means that this model shows decent performance in most situations.

In addition, Pentax 645Z is equipped with a special port that you can use to connect an external microphone for recording high-quality sound with its help.

Connectivity and Storage

You can connect 645Z to compatible devices via its USB 3.0 or HDMI ports.

Battery Life

In concordance with generally accepted CIPA standards, the battery featured in Pentax 645Z provides a shooting life of 650, while the average battery life of cameras in this class is 2336 shots.

With the commonly accepted standards in mind, we can conclude that Pentax 645Z is above the average indicator of battery life. However, we believe it is still a great idea to grab a few extra batteries if you are planning long photo trips.

How Good is Pentax 645Z for Different Types of Photography?

In this part of our review, we are going to focus on Pentax 645Z’s performance in various fields of photography. Each sub-section stands for a specific photography area. In every part, we will review Pentax 645Z’s name performance and give it an overall score. This first spider web graph indicates how we can compare the 645Z to the average DSLR camera.

Hover your mouse over the points to see the score details for each photography type.

Pentax 645Z for Portrait Photography

After carefully reviewing how well Pentax 645Z performs Portrait Photography, we gave it a score of 93. Compared to scores of other cameras from the same class, Pentax 645Z can be called a Great model for this type of photography.

If the score of this model doesn’t impress you and you are still looking for a model that is better suited for Portrait Photography, we recommend you to check out our Top 10 Cameras for Portrait Photography.

Advantages:

  • Large Medium format (44 x 33 mm) sensor
  • High resolution sensor (51 MP)
  • Face Detection Focusing

Disadvantages:

  • No Image Stabilization

Pentax 645Z for Street Photography

After carefully reviewing how well Pentax 645Z performs Street Photography, we gave it a score of 67. Compared to scores of other cameras from the same class, Pentax 645Z can be called a Strong model for this type of photography.

Advantages:

  • Built-in View Finder
  • Live View
  • Large Medium format(44 x 33 mm) sensor

Disadvantages:

  • Big size (156 x 117 x 123 mm)
  • No Image Stabilization

Pentax 645Z for Sports Photography

After carefully reviewing how well Pentax 645Z performs Sports Photography, we gave it a score of 92. Compared to scores of other cameras from the same class, Pentax 645Z can be called a 92 model for this type of photography.

Advantages:

  • Environmental Sealing
  • Nice Low Light ISO (4505)
  • Big size (156 x 117 x 123 mm)

Disadvantages:

  • Slow Continuous Shooting (3.0 fps)
  • Slow Max Shutter Speed (1/4000s)
  • Smal Number of autofocus Points (27)
  • Small battery life (650 shots)

Pentax 645Z for Daily Photography

After carefully reviewing how well Pentax 645Z performs Daily Photography, we gave it a score of 79. Compared to scores of other cameras from the same class, Pentax 645Z can be called a Strong model for this type of photography.

Advantages:

  • Large Medium format (44 x 33 mm) sensor
  • Built-in View Finder
  • Live View
  • Video is available

Disadvantages:

  • Big weight (1550 g)
  • Big size (156 x 117 x 123 mm)
  • No Built-in Flash

Pentax 645Z for Landscape Photography

After carefully reviewing how well Pentax 645Z performs Landscape Photography, we gave it a score of 100. Compared to scores of other cameras from the same class, Pentax 645Z can be called a 100 model for this type of photography.

If the score of this model doesn’t impress you and you are still looking for a model that is better suited for Landscape Photography, we recommend you to check out our Top 10 Cameras for Landscape Photography.

Advantages:

  • Large Medium format (44 x 33 mm) sensor
  • High resolution sensor (51 MP)
  • Good Dynamic Range (14.7)
  • Environmental Sealing
  • Live View
  • RAW Support
  • Nice Low Light ISO (4505)

Disadvantages:

No Significant Disadvantages

Pentax 645Z Detailed Specs

General
Brand Pentax
Model 645Z
Announced Apr 15, 2014
Body Type Large SLR
Lens
Manual Focus Yes
Lens Mount Pentax 645AF2
Number of Lenses 6
Focal Length Multiplier 0.8x
Macro Focus Range
Screen
Screen Type Tilting
Screen Size 3.2″
Screen Resolution 1,037k dots
Live View Yes
Touch Screen No
ViewFinder
ViewFinder Optical (pentaprism)
ViewFinder Resolution 0k dots
ViewFinder Coverage 98%
ViewFinder Magnification 0.85
Photography Features
Min Shutter Speed 30 s
Max Shutter Speed 1/4000 s
Continuous Shooting 3.0 fps
Shutter Priority Yes
Aperture Priority Yes
Manual Exposure Mode Yes
Exposure Compensation Yes
Custom White Balance Yes
Image Stabilization No
Built-in Flash No
Flash Range 0
Flash Modes Flash On, Flash On+Red-eye Reduction, Slow-speed Sync, Slow-speed Sync+Red-eye, P-TTL, Trailing Curtain Sync, contrast-control-sync, high-speed sync, wireless sync
External Flash Yes
AE Bracketing Yes
WB Bracketing No
Exposure Modes
Multi-Segment Yes
Average No
Spot Yes
Partial No
AF-Area No
Center Weighted Yes
DxO Sensor Scores
DxO Sensor Scores 101
DxO Color Depth 26.0
DxO Dynamic Range 14.7
DxO Low Light ISO 4505
Sensor
Sensor Type CMOS
Sensor Size Medium format
Sensor Dimensions 44 x 33 mm
Sensor Area 1452.00 mm2
Sensor Resolution 51.0 MP
Max Image Resolution 8256 x 6192
Max Native ISO 204,800
Max Boosted ISO n/a
Min Native ISO 100
RAW Support Yes
AutoFocus
AF Touch No
AF Continuous Yes
AF Single Yes
AF Tracking Yes
AF Selective Yes
AF Center No
AF Multi Area Yes
AF Live View Yes
AF Face Detection Yes
AF Contrast Detection Yes
AF Phase Detection Yes
Number of Focus Points 27
Number of Cross Focus Points n/a
Video Features
Video Resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Max Video Resolution 1920 x 1080
Video Formats MPEG-4, H.264
Microphone Port Yes
Headphone Port No
Connectivity
Wireless Connectivity No
HDMI Yes
USB USB 3.0
Physical
Environmental Sealing Yes
Water Proof No
Dust Proof Yes
Shock Proof No
Crush Proof No
Freeze Proof Yes
Weight 1550 g
Physical Dimensions 156 x 117 x 123 mm
Battery Life 650 shots
Battery Type 650 shots
Battery Model D-LI90
Other Features
Self Timer Yes
Timelapse Recording Yes
GPS Optional
Storage Type Dual SD/SDHC/SDXC slots
Storage Slots 2

Most popular Pro DSLR cameras

Canon EOS-1D C 18.0 MP CMOS
Full frame
Nikon D3X 25.0 MP CMOS
Full frame
Leica S2 38.0 MP CCD
Medium format
Canon EOS-1D Mark IV 16.0 MP CMOS
APS-H
Canon EOS-1D X Mark II 20.0 MP CMOS
Full frame