Pentax K-3 III

Pentax K-3 III is Pentax's Advanced DSLR digital camera originally announced on March of 2021. It has got a 26 MegaPixel, CMOS APS-C size sensor with a max resolution of 6192 x 4128.

The K-3 III is placed #9 out of 92 in Advanced DSLR cameras & over-all #69 out of 1465 for digital cameras in our database. You should check our Smart camera search to find camera rankings based on your personal criteria.

The following is a graph of different factors used in the rating system.

The Pentax K-3 III has a history of related digital cameras. Here, you can see all earlier and most recent models alongside important specs.

You can view the K-3 III from different angles in the gallery underneath.

Here is a list of good and bad points of the Pentax K-3 III based on factors which are typically considered essential in a digital camera.

The sensor specification on the Pentax K-3 III is 23mm x 15.5mm (APS-C). The 357 mm² sensor has the ability to capture 6192 x 4128 pixels with aspect ratios of 3:2. The camera has Image Stabilization (Sensor based). In body stabilization is preferable than digital stabilization since the latter can produce cropping.

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The CMOS sensor has 26 megapixels and provides a standard ISO range of 100 to 1600000. RAW files are saved which means that you have more margin for error.

Pentax opted to omit the anti-alias filter on the Pentax K-3 III. This will result in more sharper photos but may cause moire in some conditions.

The picture underneath shows the K-3 III's sensor size when compared to other popular sizes. The K-3 III sensor has a crop factor of 1.6 and is presented in green.

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To get an understanding of different aspect ratios, you can refer to the graphic below.

Pentax K-3 III has a weight of 1.81 lb (820 gr / 28.92 ounces) & has exterior size of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9"). The weight of typical Advanced DSLR camera is 776 gr and the Pentax K-3 III is very much the same when compared with its rivals.

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Down below is a shot of the Pentax K-3 III next to a soda to help you get a feel for its size.

The top view under will provide the button layout on the K-3 III.

The K-3 III uses the Pentax KAF2 mount and has 17 lenses to pick from. Here is a few of the lenses we have in our database that will fit the K-3 III.

ModelVisualizeFocal LengthApertureStabilizedWeight

HD Pentax DA 55-300mm F4.0-5.8 ED WR55-300mmf/4.0-5.8 466g

Samsung D-Xenon 18-250mm F3.5-6.318-250mmf/3.5-6.3 455g

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

Samsung D-Xenon 18-55mm F3.5-5.618-55mmf/3.5-5.6 225g

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

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

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Venus Laowa 25mm F2.8 2.5-5X Ultra Macro25mmf/2.8400g

The K-3 III has the following connectivity:

• USB Yes
• Wireless Yes
• Bluetooth Yes
• HDMI Yes

Digital cameras that incorporate NFC and / or Bluetooth compatibility can be used wirelessly via smartphones. You can copy images and sometimes change camera settings with no need to connect directly with the camera.

A few apps also enable a Liveview and hit the shutter if you are not close to the camera. If the camera comes with a HDMI port, it can be attached to an external monitor. A lot of cameras enable you to charge the battery pack with the USB port.

The max video resolution on the Pentax K-3 III is 3840 x 2160 and you can save in MPEG-4 and H.264 file format. 2160p provides an excellent resolution for video recording. You can downsample to 1080p to get improved results. Be mindful of the large file sizes and ensure you own good SD cards with good write speeds. The body does have both headphone and microphone jack making it pretty valuable while capturing audio.

Pentax K-3 III features weather proofing making it a excellent choice for use in rough environments. This can be particularly beneficial when you are uncertain about the elements you might face in outdoor photography.

The Pentax K-3 III has got a 3.2 inch fixed screen with a resolution of 1,620 thousand dots.

Moreover the screen is touch friendly which means that you can adjust focus points and change settings with your finger. The K-3 III also has a builtin Top LCD screen so you're able to instantly view camera settings.

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The View Finder specs for Pentax K-3 III are below:

• ViewFinder Optical (pentaprism)
• ViewFinder Coverage 100%
• ViewFinder Magnification 0.7x

Viewfinders can be pretty beneficial in sunny outdoor situations which may make the camera screen washed out and hard to see.

Pentax K-3 III continuous shooting rate is 12.0 frames per second. The highest shutter speed is 1/8000 seconds.

Pentax K-3 III has external flash support but is without built in flash. The max flash sync is 1/200 seconds.

Pentax K-3 III has both Phase Detect Auto Focus as well as Contrast Detect Auto Focus. Phase Detection autofocusing is a lot more snappier & precise compared to Contrast Detect autofocusing. The camera has got Face detection which makes it helpful for portraits.

The AF system has got 101 focus points to choose from. Pentax K-3 III has tap to focus. You can use your fingers to change where you focus. It also boasts Tracking Auto Focus for moving things. Pentax K-3 III features manual focus if needed in low light situations or you require more precise control on focus.

The battery pack (D-LI90) in the Pentax K-3 III is designed to last for 800 shots based on the CIPA benchmarks which is lesser as compared to it's rivals. The usual Advanced DSLR camera battery life is 909. Nikon D780 comes with the maximum (2260) battery life in this group of cameras.

Underneath is a collection of Advanced DSLR cameras having the highest battery life:

ModelVisualizeBattery LifeRAWNFCBluetooth

Nikon D780
K-3 III vs D7802260 yesnoyes

Nikon D850
K-3 III vs D8501840 yesyesyes

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Nikon Df
K-3 III vs Df1400 yesnono

Canon 90D
K-3 III vs 90D1300 yesnoyes

Nikon D500
K-3 III vs D5001240 yesyesyes

The following chart presents a rundown of the Pentax K-3 III for different forms of photography. To find out more, browse to the specific section underneath.

The Pentax K-3 III has a points total of 83 which is exceptional, and means the camera is a brilliant pick to use for portrait photography. Shooting portraits favors greatly towards sensor dimensions, RAW support in addition to the capability to work with external flash.

Coming in at a very good score of 71, the Pentax K-3 III is a respectable option to buy for street photography. A decent street photography camera features a perfect balance of image quality and portability.

A outstanding sports photography points tally of 79 means the Pentax K-3 III is a terrific pick for shooting sports. A camera must have fantastic autofocus and shutter speeds for sports photography.

Size is very important when getting a camera for travel. On the whole, the Pentax K-3 III gets a very good 64 as a travel camera which is a good option to take on your vacations.

For anyone looking to choose a camera for landscape photos, the most essential aspect will no doubt be image quality. The Pentax K-3 III and it's great score of 80 for a landscape camera is a superb fit compared to it's competition.

A vlogging camera should posses a moving screen, microphone input and if possible IBIS. Considering everything, the Pentax K-3 III is just not good as a vlog camera as it delivers a dreadful rating of 35.

If you are looking for replacements to the K-3 III, below is a list of the top ranked cameras that fall within the category of Advanced DSLR.

The chart here will give you an overview of the K-3 III vs it's top scoring rivals mentioned previously.

Following are several cameras you may look at as alternative options. To read a complete comparison, just click on the "compare" link.