Pentax K-x

Pentax K-x is Pentax's Entry-Level DSLR camera originally released on December of 2009. The camera houses a 12MP, CMOS APS-C sized sensor and has a peak resolution of 4288 x 2848.

The K-x is rated #53 out of 80 in Entry-Level DSLR cameras & all-around #435 out of 1465 for cameras in our collection. You can test our Advanced camera finder to see camera ratings based on your personal criteria.

Here is a diagram of different criteria used in the scoring system.

The Pentax K-x has a history of related cameras. Below, you can find all previous and brand new models alongside main features.

You can check the K-x from different angles in the gallery below.

Below is a checklist of benefits and drawbacks of the Pentax K-x based on criterias that are oftentimes seen as important in a camera.

The Pentax K-x houses the Prime chip. The sensor spec on the Pentax K-x is 23.6mm x 15.8mm (APS-C). The 373 mm² sensor has the capability to resolve 4288 x 2848 pixels and aspect ratios of 3:2. The camera comes with Image Stabilization (Sensor based). Optical stabilization is superior than digital stabilization since the latter can produce cropping.

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The CMOS sensor has 12MP and delivers a native ISO range of 100 to 6400. This ISO can be increased digitally to a high of 12800. RAW format is saved which means that the user has wider margin for error.

The image below illustrates the K-x's sensor dimensions compared to other common sizes. The K-x sensor has a crop factor of 1.5 and is showcased in green.

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To get an idea of different aspect ratios, you can refer to the visual below.

Pentax K-x is 1.28 pounds (580g / 20.46 oz) & the measurement of the camera is 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7"). The weight of general Entry-Level DSLR camera is 540g and the Pentax K-x is very similar when compared with other competitors.

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Listed below is a photo of the Pentax K-x alongside a softdrink so you're able to get a sense of its scale.

The top view below will show you the button design on the K-x.

The K-x fits the Pentax KAF2 mount and has 17 lenses to select from. Below is a small number of the lenses we have in our collection which will fit the K-x.

ModelVisualizeFocal LengthApertureStabilizedWeight

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

Pentax smc DA 50-135mm F2.8 ED IF SDM50-135mmf/2.8 685g

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Venus Laowa 100mm F2.8 2X Ultra Macro APO100mmf/2.8638g

Samsung D-Xenon 100mm F2.8 macro100mmf/2.8 345g

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

Pentax smc DA 300mm F4.0 ED IF SDM300mmf/4.0 1070g

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

The K-x has the following connectivity:

• USB Yes

Cameras that incorporate NFC and Bluetooth support can be controlled wirelessly by smartphones. You can easily transfer photos and oftentimes adjust settings without the hassle of connecting physically to the camera.

A few applications even enable a Liveview and press the shutter when you aren't near the camera. If the camera comes with a HDMI port, it can be attached to an external screen. The majority of cameras will allow you to recharge the battery using the USB socket.

The highest video quality on the Pentax K-x is 1280 x 720 and you can shoot in Motion JPEG format. 720p is terrible for today's requirements. You really should try to get at least FUll HD quality for good video. The camera doesn't include a microphone and headphone port which means you have got little control over the sound. It is perhaps a better idea to look at another camera in case you want good sound for your video clips.

There is no weather sealing for the Pentax K-x so you need to be cautious in rainy and dusty conditions.

The Pentax K-x is equipped with a 2.7 inch fixed display supporting a resolution of 230 thousand dots.

Please be aware that the display screen has no touch support.

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The ViewFinder details for Pentax K-x are the following:

• ViewFinder Optical (pentamirror)
• Coverage 96%
• Magnification 0.57x

Viewfinders are pretty useful during bright outdoor conditions which can make the camera display washed out and hard to see.

Pentax K-x continuous shooting speed is 5.0 frames per second. The maximum shutter speed is 1/6000 sec.

Pentax K-x comes with both built in flash along with external flash ability. The highest flash sync speed is 1/180 sec.

Pentax K-x comes with both Phase Detect Autofocus as well as Contrast Based Autofocus. Phase Detection focusing is a lot more quicker & exact when compared to Contrast Based focusing. The camera supports Face detect making it handy for portraits.

It supports 11 focus points to choose from. Pentax K-x comes with manual focusing when required during low light occasions or you want to have more exact focusing control.

The battery power (4 x AA) for the Pentax K-x is built to last for 1900 photographs based on the CIPA measurements which is above average ın comparison with its category. The typical Entry-Level DSLR camera battery life is 589. Pentax K-x features the highest (1900) battery life within this range of cameras.

Below is a listing of Entry-Level DSLR cameras with the strongest battery life:

ModelVisualizeBattery LifeRAWNFCBluetooth

Pentax K-x1900 yesnono

Nikon D3500
K-x vs D35001550 yesnoyes

Photography Glossary

Nikon D3400
K-x vs D34001200 yesnoyes

Canon SL3
K-x vs SL31070 yesnoyes

Sony A450
K-x vs A4501050 yesnono

The following diagram indicates a analysis of the Pentax K-x for different categories of photography. To learn more, have a look at the specific section below.

The Pentax K-x has a points total of 63 which is nice, meaning that it is a good fit for portraits. Shooting portrait photos leans heavily to sensor resolution, RAW support in addition to the flexibility to utilize off-camera flash.

With a above average points tally of 67, the Pentax K-x is a fine option for street photography. A decent street photography camera offers a perfect balance of picture quality plus portability.

A nice sports photography score of 61 suggests the Pentax K-x is a respectable option for photographing sports. A camera should have excellent focusing and fast continuous shooting for sports photography.

Size is extremely important when picking a camera for travel. All things considered, the Pentax K-x gets a modest 54 as a travelling camera which is somewhat suitable to take on your trips.

For anyone looking to buy a digital camera for landscape photos, the biggest factor is going to be image quality. The Pentax K-x with it's very good rating of 61 as a landscape camera is a fine pick compared to its competitors.

A vlogging camera should really posses a articulating display, microphone input and preferably image stabilization. Considering everything, the Pentax K-x is just not acceptable as a vlog camera as it delivers a bad score of 27.

If you are looking for replacements to the K-x, below is a number of the highest ranked cameras that fall within the class of Entry-Level DSLR.

The line chart below gives you a bird's eye view of the K-x vs it's top rated competitors suggested previously.

Following are additional cameras you may take a look at as alternate options. To read through a comprehensive comparison, click the "compare" link.