Pentax K20D Review

Overall 42
Imaging 16
Features 35
Size 72
Price 1

Main Features

  • 15.0 MP APS-C CMOS sensor
  • ISO 100 - 3200 (Expands to 6400)
  • Image Stabilization: Yes
  • 2.7″ Fixed Type Screen
  • ViewFinder: Yes
  • 3.0 fps Continuous Shooting
  • Built-in Wireless: No
  • Dimensions: 142 x 101 x 70 mm
  • Weight: 800 g
  • Environmental Sealing: Yes
  • Built-in GPS: No
  • Replaced Pentax K10D. Compare

Pentax K20D Summary

This review is devoted to K20D that Pentax has first introduced to the public in Jun 25, 2008. This model is a Semi-Pro DSLR camera with a resolution of 15.0 MP and a APS-C (23.4 x 15.6 mm) sized CMOS sensor.

This is an upgraded model that Pentax released to replace their older product K10D. To learn more about the specs and difference between these two models, check our complete comparison by following this link:
Pentax K20D vs. K10D

In Semi-Pro DSLR cameras (Top 10 DSLR Cameras) this model has taken rank #99 out of 200. Its Overall Score has reached 42/100 and it takes a rank of #727 out of 1174 in all Cameras.

Pentax K20D Compared to other DSLR Cameras

Now let's delve into more details of our Pentax K20D 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

  • Image Stabilization: Yes
  • Built-In Flash: Yes
  • Environmental Sealing: Yes
  • Timelapse Recording: Yes

CONs

  • Screen Size: 2.7″
  • Viewfinder Coverage: 95
  • Continuous Shooting: 3.0 fps
  • Dxo Dynamic Range: 11.1
  • Dxo Low Light Iso: 639
  • Number Of Focus Points: 11
  • AutoFocus Face Detection: No
  • Wireless Connectivity: No
  • Storage Slots: 1

Popular comparisons of Pentax K20D

Complete Comparison of Pentax K20D With Other Cameras in Semi-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 K20D. 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 Semi-Pro DSLR cameras.

Physical Characteristics Of Pentax K20D

Pentax K20D has the following external dimensions 142 x 142 x 70 mm (55.91 x 39.76 x 27.56″) with the weight of 800 g.

The typical weight for average Semi-Pro DSLR type cameras is 783g. If we compare the average indicator to the weight of Pentax K20D, 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 K20D is thinner than other average cameras from this class. Its thickness is 70mm.

Look at the pictures below to see the front and top view of Pentax K20D with the indication of this model’s dimensions:

HTML
BB

If you want to have a better idea of how big the Pentax K20D 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 K20D compared to other models from this class of cameras presented by the brand’s competitors:

Thickness

Pentax K20D — 70 mm
Min: 64 mm
Average: 75 mm
Max: 86 mm

Weight

Pentax K20D — 800 g
Min: 479 g
Average: 783 g
Max: 1074 g

Unfortunately, Pentax K20D 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 K20D 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 K20D Photo and Sensor Features

Pentax K20D boasts of a resolution of 15.0 MP and is equipped with a APS-C (23.4 x 15.6 mm) sized CMOS sensor.

The base of Pentax K20D has the following ISO range 100 - 3200 and it also comes with a possibility of extending this indicator to 6400.

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.

Pentax K20D features a 15.0 MP APS-C sensor, which is not a good pick for high-quality and detailed pictures. However, we have an alternative option for you if you were looking for higher resolution.

DxOMark Sensor Scores

DxOMark gives us a possibility to make a clear and scientific assessment of the quality of camera sensors’ image. Pentax K20D, 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 65 for the image quality. If you are looking to see how DxO Mark has tested and evaluated the Pentax K20D’s sensor.

Anti-Aliasing Filter

Pentax K20D is known for the lack of anti-alias (Low-pass) filter. It is one of its essential features of the sensor built in this model. The absence of this filter contributes to a higher level of details and sharpness in the pictures you take. Yet, the lack of an anti-alias filter also enhances the possibility of more occurring in certain conditions.

Now let’s check how we can compare the size of APS-C sensor featured in Pentax K20D with other standard sensor sizes.

HTML
BB

Other Characteristics And Features of Pentax K20D

LCD and ViewFinder

Pentax K20D is equipped with a Fixed Type 2.7" LCD screen. The resolution of this model’s screen reaches 230k dots.

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

The ViewFinder in K20D has quite nice characteristic. Its magnification ratio is 0.64x and it also provides a coverage of 95%.

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 K20D are its 3.0 fps max speed and 1/4000 sec max shutter speed, which allow you to shoot continuously.

Flash

K20D features both an embedded flash and a flash shoe, which means that you can use both built-in and external flashes depending on your needs.

Pentax K20D is not equipped with any ports that would allow you to connect external headphones and microphones to it.

Connectivity and Storage

You can connect K20D to compatible devices via USB 2.0 port.

How Good is Pentax K20D for Different Types of Photography?

In this part of our review, we are going to focus on Pentax K20D’s performance in various fields of photography. Each sub-section stands for a specific photography area. In every part, we will review Pentax K20D’s name performance and give it an overall score. This first spider web graph indicates how we can compare the K20D to the average DSLR camera.

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

Pentax K20D for Portrait Photography

After carefully reviewing how well Pentax K20D performs Portrait Photography, we gave it a score of 82. Compared to scores of other cameras from the same class, Pentax K20D 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 APS-C (23.4 x 15.6 mm) sensor
  • Image Stabilization

Disadvantages:

No Significant Disadvantages


Pentax K20D for Street Photography

After carefully reviewing how well Pentax K20D performs Street Photography, we gave it a score of 83. Compared to scores of other cameras from the same class, Pentax K20D can be called a Great model for this type of photography.

Advantages:

  • Built-in View Finder
  • Live View
  • Image Stabilization
  • Large APS-C(23.4 x 15.6 mm) sensor

Disadvantages:

  • Big size (142 x 101 x 70 mm)
  • Small Number of autofocus Points (11)

Pentax K20D for Sports Photography

After carefully reviewing how well Pentax K20D performs Sports Photography, we gave it a score of 80. Compared to scores of other cameras from the same class, Pentax K20D can be called a 80 model for this type of photography.

Advantages:

  • Environmental Sealing
  • Big size (142 x 101 x 70 mm)

Disadvantages:

  • Slow Continuous Shooting (3.0 fps)
  • Slow Max Shutter Speed (1/4000s)
  • Smal Number of autofocus Points (11)
  • Bad Low Light ISO (639)

Pentax K20D for Daily Photography

After carefully reviewing how well Pentax K20D performs Daily Photography, we gave it a score of 87. Compared to scores of other cameras from the same class, Pentax K20D can be called a Great model for this type of photography.

Advantages:

  • Large APS-C (23.4 x 15.6 mm) sensor
  • Built-in Flash
  • Built-in View Finder

Disadvantages:

  • Big weight (800 g)
  • Big size (142 x 101 x 70 mm)
  • Video is not available

Pentax K20D for Landscape Photography

After carefully reviewing how well Pentax K20D performs Landscape Photography, we gave it a score of 81. Compared to scores of other cameras from the same class, Pentax K20D can be called a 81 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 APS-C (23.4 x 15.6 mm) sensor
  • Good Dynamic Range (11.1)
  • Environmental Sealing
  • RAW Support

Disadvantages:

  • Low resolution sensor (15 MP)
  • Bad Low Light ISO (639)

Pentax K20D Detailed Specs

General
Brand Pentax
Model K20D
Announced Jun 25, 2008
Body Type Mid-size SLR
Lens
Manual Focus Yes
Lens Mount Pentax KAF2
Number of Lenses 144
Focal Length Multiplier 1.5x
Macro Focus Range
Screen
Screen Type Fixed Type
Screen Size 2.7″
Screen Resolution 230k dots
Live View Yes
Touch Screen No
ViewFinder
ViewFinder Optical (pentaprism)
ViewFinder Resolution 0k dots
ViewFinder Coverage 95%
ViewFinder Magnification 0.64
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 Yes
Built-in Flash Yes
Flash Range 13
Flash Modes Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
External Flash Yes
AE Bracketing Yes
WB Bracketing No
Exposure Modes
Multi-Segment No
Average No
Spot No
Partial No
AF-Area No
Center Weighted No
DxO Sensor Scores
DxO Sensor Scores 65
DxO Color Depth 22.9
DxO Dynamic Range 11.1
DxO Low Light ISO 639
Sensor
Sensor Type CMOS
Sensor Size APS-C
Sensor Dimensions 23.4 x 15.6 mm
Sensor Area 365.04 mm2
Sensor Resolution 15.0 MP
Max Image Resolution 4672 x 3104
Max Native ISO 3,200
Max Boosted ISO 6,400
Min Native ISO 100
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 No
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 800 g
Physical Dimensions 142 x 101 x 70 mm
Battery Life n/a
Battery Type n/a
Battery Model D-LI50
Other Features
Self Timer Yes
Timelapse Recording Yes
GPS
Storage Type SD/MMC/SDHC card
Storage Slots 1

Most popular Semi-Pro DSLR cameras

Nikon D800 36.0 MP CMOS
Full frame
Canon EOS 5D Mark IV 30.0 MP CMOS
Full frame
Canon EOS 6D Mark II 26.0 MP CMOS
Full frame
Sony SLT-A77 II 24.0 MP CMOS
APS-C
Pentax K-1 Mark II 36.0 MP CMOS
Full frame