Pentax K20D

Pentax K20D is Pentax's Advanced DSLR camera initially announced on June of 2008. It has a 15 MegaPixel, CMOS APS-C size sensor with a full resolution of 4672 x 3104.

Pentax released this camera as a way to replace the earlier Pentax K10D (Read Full Comparison)

The K20D ranks at #54 out of 92 in Advanced DSLR cameras and over-all #406 out of 1465 for digital cameras in our collection. Please test our Smart camera filter to see camera rankings based on your customized factors.

Below is a chart of specific factors used in the rating system.

The Pentax K20D is part of a family of products. You can view the detailed list below.

You can look at the K20D from various angles in the gallery below.

Here is a checklist of pros and cons of the Pentax K20D based on features that are often regarded as necessary in a camera.

The specification of the sensor on the Pentax K20D is 23.4mm x 15.6mm (APS-C). The 365 mm² sensor has the ability to capture 4672 x 3104 pixels using aspect ratios of 3:2. The camera has got Image Stabilization (Sensor based). Optical stabilization is preferable than digital stabilization since the latter can easily produce cropping.

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The CMOS sensor boasts 15MP and has a native ISO range of 100 to 3200. The ISO can also be widened digitally to a maximum of 6400. RAW photos are supported therefore you have more room to maneuver in post.

The image below displays the K20D's sensor size when compared to other common sizes. The K20D sensor comes with a crop factor of 1.5 and is highlighted in green.

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To get an understanding of various aspect ratios, you should refer to the visual below.

Pentax K20D weighs around 1.76 lbs (800 grams / 28.22 oz) and the physical size of the camera is 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8"). The weight of average Advanced DSLR camera is 776 grams and the Pentax K20D is similar in comparison with various competitors.

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Below is a photo of the Pentax K20D next to a soda to help you have a feel for its size.

The top view below will provide the button design on the K20D.

The K20D works with the Pentax KAF2 mount and has 17 lenses available for sale. Here is a few of the lenses we have in our database that will work with the K20D.

ModelVisualizeFocal LengthApertureStabilizedWeight

Samsung D-Xenon 50-200 F4-5.6 ED50-200mmf/4.0-5.6 255g

Venus Laowa 105mm F2 Smooth Trans Focus105mmf/2745g

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Irix 45mm F1.445mmf/1.4925g

Pentax smc DA 16-50mm F2.8 ED AL IF SDM16-50mmf/2.8 565g

Samsung D-Xenon 16-45mm F416-45mmf/4.0 365g

Samsung D-Xenon 35mm F2 AL35mmf/2.0 195g

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Pentax smc DA 60-250mm F4.0 ED IF SDM60-250mmf/4.0 1040g

The K20D has the following connectivity:

• USB Yes

Digital cameras that include NFC and / or Bluetooth compatibility can be used wirelessly with smartphones. You are able to send pictures and usually alter settings without connecting straight with the camera.

Some apps also give a Liveview and release the shutter when you are not close to the camera. If the camera includes a HDMI out, it can be hooked up to an external screen. Many cameras will allow you to charge the battery pack with the USB socket.

Pentax K20D doesn't capture video. If you are wanting a camera to shoot just pictures, it is not a concern.

Pentax K20D has environment proofing which makes it a excellent pick to use during challenging conditions. This can be particularly helpful any time you are not sure about the elements you may encounter during outdoor photography.

The Pentax K20D has a 2.7 inch fixed display having a resolution of 230 thousand dots.

Please be aware that the display screen offers no touch support. The K20D also includes a Top LCD display so you can instantly look at camera settings.

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The View Finder details regarding Pentax K20D are as follows:

• ViewFinder Optical (pentaprism)
• Coverage 95%
• Magnification 0.64x

Viewfinders are rather handy during bright outdoor situations which will make the camera display washed out and difficult to view.

Pentax K20D continuous shooting speed is 3.0 fps. The maximum shutter speed is 1/4000 sec.

Pentax K20D has got both built-in flash and external flash support. The maximum flash sync speed is 1/180 sec.

Pentax K20D has got both Phase Detect Auto Focus along with Contrast Based Auto Focus. Phase Detection autofocusing is a lot more quicker & precise as compared with Contrast Based autofocusing.

The Sensor has 11 focus points to select from. Pentax K20D supports manual focusing in case it is required during low light or you need to have more accurate focusing control.

The average Advanced DSLR camera battery life is 909. Nikon D780 has the best (2260) battery life within this class of cameras.

Following is a list of Advanced DSLR cameras that have the highest battery life:

ModelVisualizeBattery LifeRAWNFCBluetooth

Nikon D780
K20D vs D7802260 yesnoyes

Nikon D850
K20D vs D8501840 yesyesyes

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Nikon Df
K20D vs Df1400 yesnono

Canon 90D
K20D vs 90D1300 yesnoyes

Nikon D500
K20D vs D5001240 yesyesyes

The following diagram provides a rundown of the Pentax K20D for varying categories of photography. To view more, go to the specific paragraph below.

The Pentax K20D has a rating of 71 which is very good, meaning that it is a very decent pick to use for portrait images. Photographing portraits favors heavily to sensor specs, RAW support plus the flexibility to work with off-camera lighting.

Coming in at a nice rating of 65, the Pentax K20D is a respectable option to buy for street photography. A decent street photography camera gives a perfect balance of picture quality plus portability.

A above average sports photography points total of 68 means the Pentax K20D is a very decent option for shooting sports. A camera must have excellent focusing plus fast shutter speeds for sports photography.

Size is really critical when getting a camera for travel. Over-all, the Pentax K20D gets a very good 64 as a travelling camera which is a respectable option to buy for your travels.

For those who are planning to buy a digital camera for landscape photographs, the most significant factor will be image quality. The Pentax K20D with it's very good score of 70 as a landscape camera is a very decent pick amongst its competition.

A vlogging camera ought to come with a articulating screen, microphone port and preferably image stabilization. Considering every thing, the Pentax K20D is not really very good for vlogging as it comes to a low score of 9.

If you need alternatives to the K20D, here is a collection of the top ranked cameras that fall under the family of Advanced DSLR.

The line chart followed below will give you a summary of the K20D versus it's top ranked competitors suggested earlier.

Here are a few more cameras you may view as alternatives. To see a full comparison, just click on the "compare" link.