Pentax K-3

Pentax K-3 is a new DSLR camera from Pentax which released in October 2013. This camera is a big step from Pentax that is offering a variety of improvements and significant changes from previous model. Pentax K-3 has a new sensor, a new body design, a new AF system, new metering system, as well as improved performance. By offering those improvement this camera is expected to compete in the market with a classy cameras such as Canon and Nikon. This camera will be available in the market starting November 2013 with a price range of $1,296.95 (Body only).

Back & Front view of Pentax K-3
Overall Rating: ★★★★½

Our Review

Features & Design

As a new cameras that brings big changes, Pentax K-3 offers a new resolution of up to 24 megapixels and eliminate optical low-pass filter for sharpening images. These cameras also use a shake reduction mechanism with sensor-shift image pixels to compensate. In addition, the camera is also equipped with new features like autofocus module SAFOX11 for a reliable autofocus system in low-light situations, the speed of take up to 8.3fps continuous shooting, using RGB metering system to improve the accuracy of exposure and white balance metering, recording Full HD 1080i / p video, and the body is made of magnesium alloy with stainless steel and weather sealed.

Sensor & Design of Pentax K-3

While the body design is quite a significant change of the model of K-5. Where there is an additional button on the mode dial that serves to lock the mode dial. Not only that, Pentax also added a switch button to allow you to switch from shooting mode to the recording mode or back to the shooting mode. In addition, the placement of the buttons settings are also quite logical and appropriate. Pentax K-3 also has an optical viewfinder with 0.95x magnification and screen monitor includes a sharp 3.2-inch with resolution 1.037k which allows you to view photos and videos that have been taken.

Upper view of Pentax K-3

Performance & Image Quality

Speaking of image quality, the Pentax K-3 has combined performance CMOS sensor that has a resolution of 24 megapixels with performance PRIME III image processor to produce high quality images with good resolution without interference from noise images. Coupled with the removal of anti-aliasing filter for higher resolution and better gradation. While the continuous shooting speed of 8.3fps ensures that reaches you will not miss the precious moment.

Sample of Pentax K-3: 1/800Sec, f/3.5, 70mm, ISO100 (credit: Ricoh Imaging)

Sample of Pentax K-3: 1/800Sec, f/3.5, 70mm, ISO100 (credit: Ricoh Imaging)

You can record Full HD 1920 x 1080 video in a variety of frame sizes including 60i, 50i, 30p, 25p, and 24p with H.264 or HD video with 1280 x 720 frame size 60p, 50p, 30p, 25p, and 24p. Video recording is also supported by the internal microphone to record sound during video recording. You can easily mntransfer photos and videos with HDMI and display them on the TV. Double available SD memory card slot for storing memory so you can store a larger file.

Should I buy the camera?

As a new DSLR camera that offers a variety of improvements and changes to a higher level, the Pentax K-3 into a camera that is ready to compete in the market with a DSLR camera class. With the new sensor and processor, this camera is able to produce good quality images. But a lack of WiFi connectivity will be worth less for this camera compared to the Canon EOS 70D and Nikon D7100. With the changes and the addition of new features, the Pentax K-3 good enough Pentax cameras purchased by fans to upgrade their camera to a higher level or for photographers who want to switch from Canon or Nikon.

Rating: ★★★★½


Images Sensor

Camera Type Digital SLR with Interchangeable lenses

Lens Mount Pentax K

Camera Format APS-C / (1.5x Crop Factor)

Pixels Actual: 24.71 Megapixel, Effective: 23.35 Megapixel

Max Resolution 24MP: 6016 x 4000 @ 3:2

Other Resolutions
+ 14MP: 4608 x 3072 @ 3:2
+ 6MP: 3072 x 2048 @ 3:2
+ 2MP: 1920 x 1080 @ 16:9

Aspect Ratio 3:2, 16:9

Sensor Type / Size CMOS, 23.5 x 15.6 mm

File Formats
+ Still Images: DNG, JPEG, RAW
+ Movies: AVI, MOV, MPEG-4 AVC/H.264

Bit Depth 14-bit

Dust Reduction System Yes

Noise Reduction Yes

Memory Card Type SD, SDHC, SDXC

Image Stabilization Sensor-Shift

Focus System

Focus Type Auto & Manual

Focus Mode Single-servo AF (S), Continuous-servo AF (C), Manual Focus (M) , Focus Lock AF Area Mode

Autofocus Points Phase Detection: 27

Viewfinder / LCD dispaly

Viewfinder Type Pentaprism

Viewfinder Coverage 100%

Viewfinder Magnification Approx. 0.95x

Diopter Adjustment – 2.5 to +1.5 m

Display Screen 3.2″ Rear Screen LCD (1,037,000)

Screen Coverage 100%

Live View Yes

Exposure System

ISO Sensitivity Auto, 100-51200

+ Type: Electronic & Mechanical
+ Speed: 30 – 1/8000 sec, Bulb Mode

Remote Control Remote Control F or Remote Control WP (Optional)

Mirror Lock-Up Yes

Metering Method Center-weighted average metering, Multi-zone metering, Spot metering

Exposure Modes
+ Modes: Aperture Priority, Bulb, Green, Hyper Program, Metered Manual, Sensitivity Priority, Shutter Priority, Shutter/Aperture Priority, User, X-Speed
+ Metering Range: EV -3.0 – EV 20.0
+ Compensation: -5 EV to +5 EV (in .3 or .5 EV steps)

White Balance Modes Auto, CTE, Cloudy, Color Temperature, Daylight, Flash, Fluorescent (Cool White), Fluorescent (Day White), Fluorescent (Daylight), Fluorescent (Warm White), Manual, Multi Auto WB, Shade, Tungsten


Flash Modes
+ Modes: Auto, Flash On, Hi-Speed Sync, Manual, Red-eye Reduction, Second-curtain Sync, Slow Sync, Slow Sync./Red-eye Reduction, Wireless
+ Compensation: -2 EV to +1 EV (in .5 EV steps)

Built-in Flash Yes

Guide No. 42.65′ (13 m) ISO100

Max Sync Speed 1 / 180 sec

Dedicated Flash System P-TTL

External Flash Connection Hot Shoe, PC Terminal, Wireless


Video Recording Yes, NTSC/PAL

File Size
+ 1920 x 1080i (Full HD)
+ 1920 x 1080p (Full HD)
+ 1280 x 720p (HD)

Aspect Ratio 16:9

Frame Rate
@ 1920 x 1080: 60 fps, 50 fps, 30 fps, 25 fps, 24 fps
@ 1280 x 720: 60 fps, 50 fps, 30 fps, 25 fps, 24 fps

Focus Auto, Manual, Continuous Auto

Continuous Shooting Time 1920 x 1080
25 min.

Audio Recording
+ Built-in Mic: With Video, Stereo,
+ Optional External Mic: With Video,


Continuous Shooting Up to 8.3 fps

Self Timer 12 sec, 2 sec

Interval Recording Yes

In-Camera Image Editing Base Parameter Adjustment, Bold Monochrome, Extract Color, Fisheye, High Contrast, Invert Color, Miniature Effect, Pastel, Posterization, Retro, Shading, Sketch Filter, Slim, Soft, Starburst, Tone Expansion, Toy Camera, Unicolor Bold, Watercolor

Connectivity USB 3.0, AV Output, HDMI C (Mini) (out), DC Input, 1/8″ Microphone, 1/8″ Headphone, Cable Switch, X-Sync Socket

Wi-Fi Capable Yes (with Optional Transmitter)

Software Requirements
+ Windows: XP (SP3), Vista, 7, 8
+ Mac: OS X 10.6 or later


Type: 1x D-LI90 Rechargeable Lithium-Ion Battery Pack, 7.2VDC, 1860mAh

AC Power Adapter K-AC132 (Optional)

Operating/Storage Temperature Operating
14 to 104°F (-10 to 40°C)

Weight & Measure

Dimensions (WxHxD) 5.2 x 3.9 x 3.1″ / 132.1 x 99.1 x 78.7 mm

Weight 1.8 lb / 816 g with battery and memory card

Video Reviews

Review Video By e PHOTOzine

Review Video By What Digital Camera

Review Video By Blunty – DigiDIRECT

Review Video By TheCameraStoreTV

Review Video By Pentaxian1

Sample Photos

Pentax K-3 Sample Photos

Pentax K-3 Sample Photos @ Ricoh Imaging

Pentax K-3 Sample Photos @ Photographyblog

Pentax K-3 Sample Photos @ Whatdigitalcamera

Pentax K-3 Sample Photos @ Ephotozine

User Manual

Pentax K-3 User Manual (PDF)

Click to view or right click and select Save Target As..(Firefox) or Save link as.. (IE) to download

Coming soon..


Listed below are some of the rivals of the Pentax K-3.

Nikon D7100 Reviews

Overall Rating: ★★★★½

Nikon D7100 offers the same resolution as the Pentax K-3 at 24.1 megapixels and EXPEED 3 processor combined with the same features as well as the removal of the optical low-pass filter to sharpen the image. In this price range are not much different, D7100 offers image quality and features that may be better than K-3 and has much more advantages with the availability of accessories in the market. D7100 is also features WiFi that lets you transfer photos and videos to compatible devices. If you want to buy the Pentax K-3 does not hurt Nikon D7100 first look as competitors.

Canon EOS 70D Reviews

Overall Rating: ★★★★½

Equipped with a 20.2 Megapixel resolution sensor combined with the DIGIC 5 + processor performance, the Canon EOS 70D to be a competitor with the same price range and are advised to see first if you intend to buy the Pentax K-3. Canon EOS 70D also comes with advanced features such as Dual pixel CMOS AF system with Live View, 3.0-inch touch screen that can be rotated 180 degrees, 1080p Full HD video recording, WiFi connectivity, 19-point AF system, the speed of taking pictures continuous up to 7fps, and ISO100-12800 to 25600. You will not be disappointed with what is offered by the Canon EOS 70D.

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