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What is the sensor size of the Pentax K-70?

The Pentax K-70 is a digital camera that has an APS-C sensor at its core. This imager measures 23.5mm in width and 15.6mm in height, so that the total imaging area of the sensor amounts to 367 mm2.

The K-70 provides an image resolution of 24 megapixels, based on 6 000 horizontal pixels and 4 000 vertical pixels.

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Sensor size comparison with a film slide

The sensor diagonal measures 28.2mm, which gives rise to a format factor (or crop factor) of 1.5. Hence, the Pentax K-70 is a crop-sensor camera, as its sensor is smaller than a traditional 35mm film slide or negative.

Pentax K-70 and Credit Card sensor measures
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Sensor specs and performance

The table below compares the sensor specs of the Pentax K-70 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-70 APS-C 24.0 6000 40001080/60i23.813.1163980
2.
 
Pentax K-3 III APS-C 25.6 6192 41284K/30p24.213.7208385
3.
 
Pentax KP APS-C 24.1 6016 40001080/60i23.913.2169981
4.
 
Pentax K-S2 APS-C 20.0 5472 36481080/30p23.612.9151479
5.
 
Pentax K-3 II APS-C 24.1 6016 40001080/60i23.613.6110680
6.
 
Pentax K-S1 APS-C 20.0 5472 36481080/30p23.513.0106178
7.
 
Pentax K-50 APS-C 16.1 4928 32641080/30p23.713.0112079
8.
 
Pentax K-500 APS-C 16.1 4928 32641080/30p23.713.1108779
9.
 
Pentax K-3 APS-C 24.1 6016 40001080/60i23.713.4121680
10.
 
Pentax K-5 APS-C 16.1 4928 32641080/25p23.714.1116282
11.
 
Sony A68 APS-C 24.0 6000 40001080/60i24.113.570179
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-70 and the camera's operation can be found in the camera manual.

In the United States, the K-70 was initially launched in June 2016 at a price of $649.

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Camera to camera comparisons

In case you would like to check on the differences and similarities with other camera models, just use the search menu below. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications Summary
    Camera Model Pentax K-70
    Camera Type Digital single lens reflex
    Camera Lens Pentax K mount lenses
    Launch Date June 2016
    Launch Price USD 649
    Sensor Specs
    Sensor Technology CMOS
    Sensor Format APS-C Sensor
    Sensor Size 23.5 x 15.6 mm
    Sensor Area 367 mm2
    Sensor Diagonal 28.2 mm
    Crop Factor 1.5x
    Sensor Resolution 24 Megapixels
    Image Resolution 6 000 x 4 000 pixels
    Pixel Pitch 3.91 μm
    Pixel Density 6.55 MP/cm2
    Moiré control no AA filter
    Movie Capability 1080/60i Video
    ISO Setting 100 - 102 400 ISO
    Image Processor PRIME MII
    Screen Specs
    Viewfinder Type Optical viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.63x
    Top-Level Screen no Top Display
    LCD Framing Live View
    LCD Size 3.0 inch
    LCD Resolution 921k dots
    LCD Attachment Swivel screen
    V-logging Friendliness Front-flip possible
    Touch Input No touchscreen
    Shooting Specs
    Focus System Phase-detect AF
    Manual Focusing AidFocus Peaking
    Maximum Shutter Speed 1/6000s
    Continuous Shooting 6 shutter flaps/s
    Shutter Life Expectancy100 000 actuations
    Silent Shootingno E-Shutter
    Time Lapse PhotographyIntervalometer Built-in
    Image StabilizationIn-body stabilization
    Fill Flash Built-in Flash
    Storage Medium SDXC cards
    Single or Dual Card Slots Single card slot
    UHS card support UHS-I
    Connectivity Specs
    External Flash Hotshoe
    USB Connector USB 2.0
    HDMI Port mini HDMI
    Microphone Port External MIC port
    Wifi Support Wifi built-in
    Body Specs
    Environmental SealingWeathersealed body
    Battery Type Pentax D-LI109 power pack
    Battery Life (CIPA)410 shots per charge
    Body Dimensions 126 x 93 x 74 mm
    (5.0 x 3.7 x 2.9 in)
    Camera Weight 688 g (24.3 oz)

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