- 24MP - APS-C Sensor
- 3.2" Fixed Screen
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 800g - 131 x 100 x 77mm
- Announced April 2014
- Replacement is Pentax K-3 II
- Read full specs
- Size Comparison
Pentax K-3 summary
Pentax K-3 is Pentax's Advanced DSLR digital camera originally released on April of 2014. It uses a 24 MegaPixel, CMOS APS-C sized sensor and has a max resolution of 6016 x 4000.
Pentax brought out the updated Pentax K-3 II (Read Full Comparison) in an effort to update this model.
The K-3 is positioned #26 out of 92 in Advanced DSLR cameras & over-all #138 out of 1459 for digital cameras in our list. You should use our Advanced camera filter to find camera results based on your personal factors.
Here is a graph of specific factors used in the rating system.
Pentax K-3 history
The Pentax K-3 has a history of related digital cameras. Below, you can see all earlier and new models along with main specs.
K-3 vs K-3 III26MPAPS-C12.0 fps2021
K-3 vs K-3 II24MPAPS-C8.3 fps2015
K-3 vs K-S120MPAPS-C5.4 fps2014
K-3 vs K-5 IIs16MPAPS-C7.0 fps2013
K-3 vs K-5 II16MPAPS-C7.0 fps2013
K-3 vs K-3016MPAPS-C6.0 fps2012
K-3 vs K-516MPAPS-C7.0 fps2010
K-3 vs K-715MPAPS-C5.0 fps2009
K-3 vs K20D15MPAPS-C3.0 fps2008
K-3 vs K10D10MPAPS-C3.0 fps2006
Pentax K-3 Gallery
You can check the K-3 from several angles in the gallery underneath.
Pentax K-3 Pros and Cons
Below is a shortlist of positives and negatives of the Pentax K-3 based on aspects which are normally considered crucial in a digital camera.
Pentax K-3 Sensor specifications
The Pentax K-3 houses the Prime III processor. The sensor size in the Pentax K-3 is 23.5mm x 15.6mm (APS-C). The 367 mm² sensor has the ability to capture 6016 x 4000 pixels and aspect ratios of 3:2. The camera comes with Image Stabilization (Sensor based). Optical stabilization is more desirable than digital stabilization as the latter can cause cropping.Instagram's $20 billion Ad success
The CMOS sensor has 24MP and supports a standard ISO range of 100 - 51200. RAW photos are supported which means that the user has wider room to maneuver in post.
Pentax opted to skip the anti aliasing filter in the Pentax K-3. This could result in more sharper images but may introduce moire in certain conditions.
The picture underneath displays the K-3's sensor dimensions when compared to other popular sizes. The K-3 sensor has a crop factor of 1.5 and is showcased in green.Control Profoto B10 & B10 Plus with your Android Phone
To get a sense of specific aspect ratios, you can refer to the graphic below.
Pentax K-3 dimensions
Pentax K-3 weighs 1.76 pounds (800 grams / 28.22 ounces) & the measurement of the camera is 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0"). The weight of typical Advanced DSLR camera is 776 grams so the Pentax K-3 is very much the same compared with its competitors.World's smallest camera makes it into Guinness Book of Records
Here is a shot of the Pentax K-3 besides a soda to help you get a sense of its scale.
The top view under will provide the button layout on the K-3.
Pentax K-3 Lens specifications
The K-3 works with the Pentax KAF2 mount and has 17 lenses to pick from. Below is a few of the lenses we have in our collection which will work with the K-3.
Pentax K-3 Connectivity
The K-3 has the following connectivity:
- USB Yes
- HDMI Yes
- GPS Yes
Digital cameras that come with NFC and / or Bluetooth compatibility can easily be used wirelessly via smartphones. You are able to copy files and usually alter settings without connecting physically to the camera.
A few applications even give a Liveview and hit the shutter in case you are not near the camera. If the camera contains a HDMI port, it could be attached to an external screen. The majority of cameras enable you to recharge the battery pack through the USB port.
Pentax K-3 Video specifications
The max video resolution in the Pentax K-3 is 1920 x 1080 and you can shoot in MPEG-4 and H.264 file format. 1080p resolution gives you an excellent balance in video quality versus file sizes but 1080p isn't going to leave you with any room to downsample. The body does include both headphone and microphone socket making it incredibly valuable while recording audio.
Pentax K-3 Weather Sealing
Pentax K-3 has got environment proofing which makes it a very good option for use in rough locations. This is particularly beneficial in case you are uncertain about the elements you might encounter in outdoor photography.
Pentax K-3 Screen and Viewfinder
The Pentax K-3 houses a 3.2 inch fixed display screen supporting a resolution of 1,037 thousand dots.
Sadly the display screen isn't a touch screen. The K-3 also has a builtin Top LCD screen in order to instantly checkout the camera's settings.400 Megapixel mode coming to Fujifilm GFX 100
The View Finder specs for Pentax K-3 are as follows:
- ViewFinder Optical (pentaprism)
- Coverage 100%
- Magnification 0.64x
For sunny outdoor situations which make the camera displays washed out and tricky to see, viewfinders are particularly helpful.
Pentax K-3 Shutter specifications
Pentax K-3 continuous shooting rate is 8.0 frames per second. The max shutter speed is 1/8000 sec.
Pentax K-3 Flash and Hot shoe specifications
Pentax K-3 comes with both built in flash together with external flash support. The highest flash sync is 1/180 sec.
Pentax K-3 Autofocusing specifications
Pentax K-3 comes with both Phase Detect AF as well as Contrast Detect AF. Phase Detection focusing is a lot quicker & accurate when compared to Contrast Detect focusing. The camera boasts Face detection which is helpful for taking portraits of people.
It boasts 27 focus points to select from. It also includes Tracking AF for moving subjects. Pentax K-3 has manual focus if needed in low light occasions or you want to have more accurate focus control.
Pentax K-3 Battery life
The battery pack (D-LI90) on the Pentax K-3 is made to last for 560 photographs based on the CIPA requirements making it lesser when compared to it's competition. The usual Advanced DSLR camera battery life is 909. Nikon D780 features the maximum (2260) battery life in this category of cameras.
Below is a listing of Advanced DSLR cameras having the best battery life:
K-3 vs D7802260 yesnoyes
K-3 vs D8501840 yesyesyes
K-3 vs 90D1300 yesnoyes
K-3 vs D5001240 yesyesyes
Pentax K-3 for varying forms of photography
The following bar chart displays a outline of the Pentax K-3 for varying forms of photography. To learn more, scroll to the specific paragraph underneath.
Portrait photography with Pentax K-3
The Pentax K-3 has a points total of 79 which is excellent, and means the camera is a outstanding fit to use for portrait photos. Shooting portrait photos leans greatly towards sensor size, RAW support together with the flexibility to utilize off-camera lighting.
Pentax K-3 Street photography factors
With a nice rating of 69, the Pentax K-3 is a good option for street photography. A decent street photography camera gives a perfect balance of picture quality plus portability.
Pentax K-3 Sports photography details
A tremendous sports photography score of 76 suggests the Pentax K-3 is a great pick for taking photos of sports. A camera needs great tracking plus fast shutter speeds for sports photography.
Pentax K-3 as a Travel photography camera
Size is super critical in getting a camera for travel. All things considered, the Pentax K-3 gets a reasonable 60 for a travelling camera which makes it reasonably suitable to take on your holidays.
Pentax K-3 Landscape photography details
If you're planning to buy a digital camera for landscape photographs, the biggest factor will be image quality. The Pentax K-3 at it's outstanding score of 78 for a landscape camera is a tremendous pick in the current marketplace.
Pentax K-3 Vlogging details
A camera for vlogging really should come with a moving screen, microphone port and ideally IBIS. Taking everything into account, the Pentax K-3 is just not good as a vlog camera as it comes to a lousy rating of 34.
Pentax K-3 Alternatives
If you are searching for replacements to the K-3, here is a range of the highest ranked cameras that fall under the family of Advanced DSLR.
The diagram down below gives you an overview of the K-3 compared to it's top rated competitors mentioned above.
Here are a handful of other cameras you may look into as alternative options. To check out a detailed comparison, visit the "compare" link.