Pentax K-3 Detailed Review

See all images of the Pentax K-3

Main

In additional K-3 was introduced by Pentax in October 2013. It belongs to the Amateur DSLRs category.

Pentax is well-known and shouldn’t require further introduction, please see our manufacturer’s page for more digital cameras by Pentax.

Brand Pentax
Category DSLR
Date 10/2013
Sensor Properties

Also K-3 has a APS-C CMOS sensor with size of 24 x 16 mm² (0.93″ x 0.61″).

Picture of K-3’s sensor compared to popular format.

Infographic: K-3 comparing sensor sizes

The 1-Euro coin has a diameter of 23.25mm.

The K-3’s sensor has resolution of 23 megapixel.

The Pentax supports taking images in RAW. RAW images are stored as they come from the sensor, without any in-camera processing or sharpening. Converting to JPEG or other formats takes place on the computer, using software like Adobe Lightroom or Pentax’s RAW converter. This involves one extra processing step but almost always results in superior image quality. Some filters, like converting to monochrome (black and white) will only yield decent results when used with RAW images.

The K-3 features a mechanism for automatic sensor cleaning.

Format APS-C
Sensor area 23.50 x 15.60mm²
(0.93″ x 0.61″)
Type CMOS
Resolution (physical) 24.70 megapixel
Resolution (effective) 23.35 megapixel
Pixel size 15.50 µm²
Sensor cleaning
RAW support
Continuous 8 frames/second
Lens
Interchangeable lens
Mount Pentax KAF2
Viewfinder Properties

The K-3 has an optical viewfinder with a penta prism. Viewfinders with a penta prism are typical for enthusiast and professional DSLRs. The viewfinder covers 100% of the field of view and has a magnification of 0.59x, an average value for a viewfinder like this.

Type Optical (Penta prism)
Coverage 100%
Magnification 0.59x
Dioptric correction
Shutter

The K-3’s shutter speed varies from 1/8000s to 30s.

Max. shutter speed 1/8000s
Min. shutter speed 30s
Sensitivity Properties

The K-3’s sensitivity goes from 100 ISO und 51200 ISO, a very useful and practical range.

Automatic
Min. sensitivity 100 ISO
Max. sensitivity 51200 ISO
Exposure Modes

The K-3 supports all general exposure modes.

The Pentax allows spot exposure for the difficult occasion.

Multi
Center weight
Partial
Spot
Auto Focus Properties

The K-3’s auto focus processor has 27 AF points. The main point is about that the more points the autofocus has then preferably. If AF has more points then you have a better opportunity to have a focus at the interesting area. In addition, It is a big advantage in a difficult condition. For example, when doing macross.

Manual focusing is available in the Pentax. Even in complicated location.

Type Phase Detection
AF points 27
Manual focusing
Flash Specs

The K-3 has a built-in flash with a diapason of up to 13m (43 ft.). That range will fit for almost all occasion.

Built-in
Range 13.00m
(43 ft.)
Hot shoe
Display Specs

The K-3 features a monitor with a diagonal of 81.00mm (3.2 in.) and a resolution of c. 1.04 megapixel. That’s about average.

Unfortunately, the K-3’s monitor is not articulated. That can make it tricky to frame your subject in some situations, e.g. when taking selfies.

The K-3 does not feature a touch screen.

Display characteristics at a glance:

Type LCD
Size 81.00mm (diagonal)
(3.2 in.)
Resolution 1.04 megapixel
Articulated
Touch screen
Video Specs

K-3 video supported the resolution with 1920 x 1080 pixel.

Also the camera is equipped with an external microphone.

Pentax K-3 Video parameters:

Max. resolution 1920 x 1080 pixel
…with frame rates 24 frames/second
25 frames/second
30 frames/second
External microphone
Connectivity & Wireless Specs

Built-in wireless connectivity is not available with the Pentax. You will need appropriate accessories to wirelessly transfer images between camera and smartphone.

However, the camera can be controlled over a wired connection.

Connect the Pentax to a monitor or TV set over HDMI.

The Pentax supports USB 2.0.

Connection parameters:

WiFi
Bluetooth
NFC
Remote (wired)
Remote (infrared)
Apps
HDMI (standard)
HDMI (mini)
HDMI (micro)
USB 2.0
USB 3.0
USB Micro
USB Mini
USB-C
Custom
Memory

The camera supports SD HC and SD XC cards.

Memory cards characteristics:

Slots 2
Memory cards SD
SDHC
SDXC
Battery

The Pentax K-3 has a D-LI90 LiIon battery. The battery provides a shooting life of 1000 shots. It`s enough for one day or more.

The K-3’s battery battery parameters:

Type D-LI90 LiIon
Removable
In-camera charging
Battery life 1000 photos
Size

The Pentax K-3’s dimensions are 131.5 x 100 x 77.5mm³. (5.2″ x 3.9″ x 3.1″). That’s the body only, without lens. The camera’s weight is a rather considerable 800 grams (25.8 oz.). Add to this the weight of the lens.

Here is front and top view of the K-3:

Dimensions Comparison

For a better idea of the size of the camera, takes a look off camera and ID card comparison image.

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