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What is the sensor size of the Pentax K-1?

The Pentax K-1 is a digital camera that has a full frame sensor at its core. This imager measures 35.9mm in width and 24.0mm in height, so that the total imaging area of the sensor amounts to 862 mm2.

The K-1 provides an image resolution of 36.2 megapixels, based on 7 360 horizontal pixels and 4 912 vertical pixels.

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Sensor size comparison with a film slide

The sensor diagonal measures 43.2mm, which gives rise to a format factor (or crop factor) of 1.0. Therefore, the Pentax K-1 is a full-frame camera, as its sensor size corresponds to that of a traditional 35mm film slide or negative.

Pentax K-1 and Credit Card sensor measures
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Sensor specs and performance

The table below compares the sensor specs of the Pentax K-1 to those of several similar cameras. The reported DXO values are indicators of the sensor's imaging quality (higher is better), covering color depth (DXO Portrait), dynamic range (DXO Landscape), and high-ISO noise (DXO Sports). Larger sensor cameras tend to outperform cameras of the same generation that are equipped with a smaller imager. On the other hand, larger sensors are more expensive and require bigger and heavier lenses than smaller light receptors.

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Sensor Characteristics
#   Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Pentax K-1 Full Frame 36.2 7360 49121080/60i25.414.6328096
2.
 
Canon 5D Mark IV Full Frame 30.1 6720 44804K/30p24.813.6299591
3.
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483
4.
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
5.
 
Pentax K-1 II Full Frame 36.2 7360 49121080/60i25.114.0269893
6.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
7.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
8.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
9.
 
Sony A99 II Full Frame 42.2 7952 53044K/30p25.413.4231792
10.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
11.
 
Sony A850 Full Frame 24.4 6048 4032none23.812.2141579
Note: DXO values in italics represent estimates based on sensor size and age.
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Further information on the sensor in the Pentax K-1 and the camera's operation can be found in the camera manual.

In the United States, the K-1 was initially launched in February 2016 at a price of $1,799.

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Camera to camera comparisons

If you would like to see a side-by-side review with another camera, just use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications Summary
    Camera Model Pentax K-1
    Camera Type Digital single lens reflex
    Camera Lens Pentax K mount lenses
    Launch Date February 2016
    Launch Price USD 1 799
    Sensor Specs
    Sensor Technology CMOS
    Sensor Format Full Frame Sensor
    Sensor Size 35.9 x 24.0 mm
    Sensor Area 862 mm2
    Sensor Diagonal 43.2 mm
    Crop Factor 1.0x
    Sensor Resolution 36.2 Megapixels
    Image Resolution 7 360 x 4 912 pixels
    Pixel Pitch 4.88 μm
    Pixel Density 4.20 MP/cm2
    Moiré control no AA filter
    Movie Capability 1080/60i Video
    ISO Setting 100 - 204 800 ISO
    Image Processor PRIME IV
    DXO Sensor Quality (score) 96
    DXO Color Depth (bits) 25.4
    DXO Dynamic Range (EV) 14.6
    DXO Low Light (ISO) 3280
    Screen Specs
    Viewfinder Type Optical viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.70x
    Top-Level Screen Control Panel
    LCD Framing Live View
    LCD Size 3.2 inch
    LCD Resolution 1037k dots
    LCD Attachment Fully flexible screen
    V-logging Friendliness No front-flip
    Touch Input No touchscreen
    Shooting Specs
    Focus System Phase-detect AF
    Manual Focusing AidFocus Peaking
    Maximum Shutter Speed 1/8000s
    Continuous Shooting 4.4 shutter flaps/s
    Shutter Life Expectancy300 000 actuations
    Silent Shootingno E-Shutter
    Time Lapse PhotographyIntervalometer Built-in
    Image StabilizationIn-body stabilization
    Fill Flash no On-Board Flash
    Storage Medium SDXC cards
    Single or Dual Card Slots Dual card slots
    UHS card support UHS-I
    Connectivity Specs
    External Flash Hotshoe
    Studio Flash PC Sync socket
    USB Connector USB 2.0
    HDMI Port micro HDMI
    Microphone Port External MIC port
    Headphone Socket Headphone port
    Wifi Support Wifi built-in
    Geotagging GPS built-in
    Body Specs
    Environmental SealingWeathersealed body
    Battery Type D-LI90 power pack
    Battery Life (CIPA)760 shots per charge
    Body Dimensions 137 x 110 x 86 mm
    (5.4 x 4.3 x 3.4 in)
    Camera Weight 1 010 g (35.6 oz)

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