Pentax 645D Review

Overall 57
Imaging 40
Features 37
Size 66
Price 0

Main Features

  • 40.0 MP Medium format CCD sensor
  • ISO 200 - 1600 (Expands to 100)
  • Image Stabilization: No
  • 3″ Fixed Type Screen
  • ViewFinder: Yes
  • 1.0 fps Continuous Shooting
  • Built-in Wireless: No
  • Dimensions: 156 x 117 x 119 mm
  • Weight: 1480 g
  • Environmental Sealing: Yes
  • Built-in GPS: No
  • Replaced by Pentax 645Z. Compare

Pentax 645D Summary

This review is devoted to 645D that Pentax has first introduced to the public in Mar 10, 2010. This model is a Pro DSLR camera with a resolution of 40.0 MP and a Medium format (44 x 33 mm) sized CCD sensor.

Pentax has replaced this product with their most recent model 645Z. To learn more about the specs and difference between these two models, check our complete comparison by following this link:
Pentax 645D vs. 645Z

In Pro DSLR cameras (Top 10 DSLR Cameras) this model has taken rank #8 out of 200. Its Overall Score has reached 57/100 and it takes a rank of #19 out of 1174 in all Cameras.

Pentax 645D Compared to other DSLR Cameras

Now let's delve into more details of our Pentax 645D 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

  • Environmental Sealing: Yes
  • Timelapse Recording: Yes

CONs

  • Continuous Shooting: Yes fps
  • Dxo Low Light Iso: 1262
  • AutoFocus Face Detection: No
  • Number Of Focus Points: 11
  • Wireless Connectivity: No
  • Dust Proof: No
  • Battery Life: 800 shots

Popular comparisons of Pentax 645D

Complete Comparison of Pentax 645D 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 645D. 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 645D

Pentax 645D has the following external dimensions 156 x 156 x 119 mm (61.42 x 46.06 x 46.85″) with the weight of 1480 g.

The typical weight for average Pro DSLR type cameras is 1275g. If we compare the average indicator to the weight of Pentax 645D, 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 645D is wider than other average cameras from this class. Its thickness is 119mm.

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

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

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

Battery

Pentax 645D — 800 shots
Min: 650 shots
Average: 2336 shots
Max: 4400 shots

Thickness

Pentax 645D — 119 mm
Min: 74 mm
Average: 85 mm
Max: 123 mm

Weight

Pentax 645D — 1480 g
Min: 735 g
Average: 1275 g
Max: 1585 g

Unfortunately, Pentax 645D 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.

Unfortunately, Pentax 645D comes without a dustproof feature, so if you want it to serve well and last longer, you will have to use it very carefully and protect your camera from external threats such as dust.

Pentax 645D Photo and Sensor Features

Pentax 645D comes with Prime II processor. This model also boasts of a resolution of 40.0 MP and is equipped with a Medium format (44 x 33 mm) sized CCD sensor.

The base of Pentax 645D has the following ISO range 200 - 1600 .

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 645D features a 40.0 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 645D, 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 82 for the image quality. If you are looking to see how DxO Mark has tested and evaluated the Pentax 645D’s sensor.

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

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Other Characteristics And Features of Pentax 645D

LCD and ViewFinder

Pentax 645D is equipped with a Fixed Type 3" LCD screen. The resolution of this model’s screen reaches 921k dots.

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

The ViewFinder in 645D 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 645D are its 1.0 fps max speed and 1/4000 sec max shutter speed, which allow you to shoot continuously.

Flash

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

Pentax 645D is not equipped with any ports that would allow you to connect external headphones and microphones to it.

Connectivity and Storage

You can connect 645D to compatible devices via USB 2.0 port.

Battery Life

In concordance with generally accepted CIPA standards, the battery featured in Pentax 645D provides a shooting life of 800, 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 645D 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 645D for Different Types of Photography?

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

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

Pentax 645D for Portrait Photography

After carefully reviewing how well Pentax 645D performs Portrait Photography, we gave it a score of 89. Compared to scores of other cameras from the same class, Pentax 645D 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 (40 MP)

Disadvantages:

  • No Image Stabilization

Pentax 645D for Street Photography

After carefully reviewing how well Pentax 645D performs Street Photography, we gave it a score of 30. Compared to scores of other cameras from the same class, Pentax 645D can be called a Intermediate model for this type of photography.

Advantages:

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

Disadvantages:

  • Big size (156 x 117 x 119 mm)
  • No Image Stabilization
  • Small Number of autofocus Points (11)

Pentax 645D for Sports Photography

After carefully reviewing how well Pentax 645D performs Sports Photography, we gave it a score of 86. Compared to scores of other cameras from the same class, Pentax 645D can be called a 86 model for this type of photography.

Advantages:

  • Environmental Sealing
  • Big size (156 x 117 x 119 mm)

Disadvantages:

  • Slow Continuous Shooting (1.0 fps)
  • Slow Max Shutter Speed (1/4000s)
  • Smal Number of autofocus Points (11)
  • Bad Low Light ISO (1262)
  • Small battery life (800 shots)

Pentax 645D for Daily Photography

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

Advantages:

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

Disadvantages:

  • Big weight (1480 g)
  • Big size (156 x 117 x 119 mm)
  • No Built-in Flash
  • Video is not available

Pentax 645D for Landscape Photography

After carefully reviewing how well Pentax 645D performs Landscape Photography, we gave it a score of 96. Compared to scores of other cameras from the same class, Pentax 645D can be called a 96 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 (40 MP)
  • Good Dynamic Range (12.6)
  • Environmental Sealing
  • Live View
  • RAW Support

Disadvantages:

  • Bad Max Native ISO (1600)

Pentax 645D Detailed Specs

General
Brand Pentax
Model 645D
Announced Mar 10, 2010
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 Fixed Type
Screen Size 3″
Screen Resolution 921k dots
Live View No
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 1.0 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 Auto, Red-eye, Slow Sync, Rear Curtain
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 82
DxO Color Depth 24.6
DxO Dynamic Range 12.6
DxO Low Light ISO 1262
Sensor
Sensor Type CCD
Sensor Size Medium format
Sensor Dimensions 44 x 33 mm
Sensor Area 1452.00 mm2
Sensor Resolution 40.0 MP
Max Image Resolution 7264 x 5440
Max Native ISO 1,600
Max Boosted ISO n/a
Min Native ISO 200
RAW Support Yes
AutoFocus
AF Touch No
AF Continuous Yes
AF Single Yes
AF Tracking No
AF Selective Yes
AF Center No
AF Multi Area Yes
AF Live View Yes
AF Face Detection No
AF Contrast Detection No
AF Phase Detection Yes
Number of Focus Points 11
Number of Cross Focus Points n/a
Video Features
Video Resolutions n/a
Max Video Resolution
Video Formats n/a
Microphone Port No
Headphone Port No
Connectivity
Wireless Connectivity No
HDMI No
USB USB 2.0
Physical
Environmental Sealing Yes
Water Proof No
Dust Proof No
Shock Proof No
Crush Proof No
Freeze Proof No
Weight 1480 g
Physical Dimensions 156 x 117 x 119 mm
Battery Life 800 shots
Battery Type 800 shots
Battery Model D-LI90
Other Features
Self Timer Yes
Timelapse Recording Yes
GPS
Storage Type SD/SDHC
Storage Slots 2

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