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Compare 3 products

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Pentax K-1 Digital Camera
Pentax K-1
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Pentax K-3 Digital Camera
Pentax K-3
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Sony a7 III Digital Camera
Sony a7 III
Available colors
Editiorial reviews
32
4.3 out of 5
12 user ratings
5 stars
50 %
4 stars
50 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
34
4.3 out of 5
20 user ratings
5 stars
50 %
4 stars
45 %
3 stars
5 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
38
4.6 out of 5
18 user ratings
5 stars
77 %
4 stars
22 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
40
4.1 out of 5
40 user ratings
5 stars
27 %
4 stars
55 %
3 stars
17 %
2 stars
0 %
1 stars
0 %
43
4.3 out of 5
43 user ratings
5 stars
44 %
4 stars
41 %
3 stars
13 %
2 stars
0 %
1 stars
0 %
62
4.1 out of 5
62 user ratings
5 stars
40 %
4 stars
37 %
3 stars
16 %
2 stars
3 %
1 stars
3 %

Sensor

Sensor typeCMOSCMOSCMOS
Image sensor formatFull frameAPS-CFull-frame
Sensor size1.41 in0.93 in1.4 in
Sensor photo detectors37.0 Mpx25.0 Mpx
N/A
Effective pixels36.0 Mpx24.0 Mpx
N/A
Image ratio w:h3:23:2
N/A
Max resolution7360 x 4912 px6016 x 4000 px
N/A
Other resolutions
N/A
  • 4608x3072
  • 3072x2048
  • 1920x1080
N/A
Processor
N/A
PRIME IIIBIONZ X

Image

ISO
  • 100
  • 200
  • 400
  • 800
  • 1600
  • 3200
  • 6400
  • 12800
  • 25600
  • 51200
  • 102400
  • 100
  • 51200
  • Auto
  • 100
  • 12800
  • 51200
  • 102400
ISO Autoyesyes
N/A
ISO minimum10010050
ISO maximum20480051200204800
Maximum image resolution7360 x 4912 px6016 x 4000 px6000 x 4000 px
White balance presets89
N/A
White balance modes
  • Cloudy
  • Daylight
  • Flash
  • Fluorescent
  • Shade
  • Tungsten
  • Auto
  • Cloudy
  • Custom modes
  • Daylight
  • Flash
  • Fluorescent
  • Shade
  • Tungsten
  • Auto
  • Cloudy
  • Custom modes
  • Daylight
  • Flash
  • Fluorescent
  • Incandescent
  • Shade
  • Underwater
Custom white balanceyesyes
N/A
Supported image file formats
  • DNG
  • EXIF
  • JPEG
  • RAW
  • JPG
  • RAW
JPEG
Photo effects
  • Muted
  • Neutral
Pastel
  • Black&White
  • Neutral
  • Sepia
  • Vivid
Image stabilizeryesyesyes
Image stabilization typeSensor-shiftSensor-shift
N/A
Uncompressed formatRAWRAW
N/A
HDRyesyes
N/A
AEB/HDR supportyesyes
N/A
Supported aspect ratios
N/A
3:23:2
Boosted ISO minimum
N/A
N/A
50
Boosted ISO maximum
N/A
N/A
204800

Optics and focus

Lens mount
  • Pentax KA
  • Pentax KAF
  • Pentax KAF2
  • Pentax KAF3
  • Pentax KA
  • Pentax KAF
  • Pentax KAF2
  • Pentax KAF3
Sony E
Magnification (Crop factor)1.0 x1.5 x0.78 x
AF assist (auto-focus assist light)LampLamp
N/A
Focus adjustmentAutoAuto/ManualAuto/Manual
Contrast autofocusyesyes
N/A
Brightness adjustmentyesyes
N/A
Autofocus in recording modeyesno
N/A
Autofocus
  • Continuous Auto Focus
  • Single Auto Focus
  • Continuous Auto Focus
  • Selective
  • Single Auto Focus
  • Spot Auto Focus
  • Continuous Auto Focus
  • Contrast Detection Auto Focus
  • Face detection
  • One Shot Focus
Manual focusyesyes
N/A
Auto Focus (AF) points selectionAutoAuto
N/A
Number of focus points3327693
Max number of AF points (incl. assistant)3327
N/A
Image stabiliserBuilt-inBuilt-inOptical
Phase detection autofocusyesyes
N/A
Optical zoom
N/A
0.15 x
N/A
Maximum aperture
N/A
1.836
Contrast adjustment
N/A
yes
N/A
Saturation adjustment
N/A
yes
N/A
Focal length multiplier
N/A
1.5x
N/A
Auto Focus (AF) lock
N/A
yesyes
Auto Focus (AF) assist beam
N/A
yesyes
Filter diameter
N/A
2.05 in3.03 in
Number of AF points (contrast)
N/A
25
N/A
Digital zoom
N/A
N/A
8.0 x
Minimum aperture
N/A
N/A
36

Screen and viewfinder

Screen size3.2 in3.2 in2.95 in
Articulated LCDyesno
N/A
Screen technologyLCDLCDLCD
Display aspect ratio3:23:2
N/A
Screen dots10370001037000
N/A
Touch screennonoyes
Field of view100.0 %100.0 %
N/A
Live viewyesyesyes
Viewfinder
Optical
ElectronicElectronic
Viewfinder coverage100.0 %100.0 %
N/A
Viewfinder magnification0.7 x0.95 x0.78 x
Dioptre correctionyesyesyes
Diopter adjustment (D-D)-3.5 - 1.22.5 - 1.5-4 - 3
Separate info displayyesyes
N/A
Flip-out screenyes
N/A
no
Eye relief
N/A
0.88 in0.91 in
Second display
N/A
no
N/A
Viewfinder screen size
N/A
N/A
0.51 in
Viewfinder resolution
N/A
N/A
2359296.0 px

Photography features

Camera shutter type
  • Electronic
  • Mechanical
ElectronicElectronic
Minimum shutter speed30.0 s30.0 s30.0 s
Maximum shutter speed1.0 s1.0 s
N/A
Shutter priorityyesyes
N/A
Aperture priorityyesyes
N/A
Manual exposure modeyesyes
N/A
Number of exposures33
N/A
Exposure compensation plus55
N/A
Exposure compensation minus-5-5
N/A
Expousure compensation steps
  • 1/3
  • 1/2
  • 1/3
  • 1/2
N/A
Auto exposure lockyesyesyes
AE EV steps
  • 1/3
  • 1/2
  • 1/3
  • 1/2
N/A
Continuous shootingyesyes
N/A
Self-timer delay
  • 2
  • 12
  • 2
  • 12
  • 2
  • 5
  • 10
Histogramyesyesyes
AE frames
  • 2
  • 3
  • 5
  • 2
  • 3
  • 5
N/A
Subject / scene modesnono
N/A
Flash sync speed1/200s1/180s
N/A
Built-in flashnoyes
N/A
Flash modes
  • Auto
  • Redeye Reduction
  • Slow Sync
  • Auto
  • Flash OFF
  • Flash ON
  • Manual
  • Redeye Reduction
  • Slow Sync
  • Auto
  • Fill-in
  • Flash OFF
  • Flash ON
  • High-speed Sync
  • Redeye Reduction
  • Slow Sync
External flash connection
  • Hot shoe
  • PC terminal
Hot shoe
N/A
Flash metering systemP-TTLP-TTL
N/A
External flashyesyes
N/A
Continuous drive4.4 fps8.3 fps
N/A
Scene modes
  • Landscape
  • Portrait
  • Portrait
  • Landscape
  • Close-up
  • Night
  • Night portrait
  • Portrait
  • Sports
  • Sunset
  • Landscape
Self-timeryesyesyes
Metering modes
  • Multi
  • Center-weighted
  • Spot
  • Multi
  • Center-weighted
  • Spot
N/A
Manual settingsyesyes
N/A
Self-timer options
  • 2
  • 12
  • custom
  • 2
  • 12
N/A
Speed (JPEG)4.4 fps8.3 fps
N/A
Speed (RAW)4.4 fps8.3 fps
N/A
Exposure bracketing0.3 - 1.0±EV0.3 - 3.0±EV
N/A
Shooting modes
N/A
  • Aperture priority
  • Manual
  • Sensitivity priority
  • Shutter priority
  • Auto
  • Manual
  • Movie
WB Bracketing
N/A
No
N/A
Flash range
N/A
13
N/A
Maximum shutter speed (electronic)
N/A
N/A
1/8000 sec
Face detection
N/A
N/A
yes

Videography features

Maximum resolution1920 x 1080 px1920 x 1080 px3840 x 2160 px
Video recordingyesyesyes
Recording resolutions
  • 1280 x 720
  • 1920 x 1080
1280.0 px
  • 1920 x 1080
  • 3840 x 2160
HD typeFull HDFull HD4K Ultra HD
Supported video file formats
  • AVC
  • H.264
  • MOV
  • MPEG-4
  • AVC
  • AVI
  • H.264
  • MOV
  • MPEG-4
  • AVC
  • AVCHD
  • H.264
  • MPEG-4
  • XAVC S
Max resolution (highest frame rate)1920 x 10801280 x 7203840 x 2160
Max frame rate (highest resolution)30.0 fps30.0 fps30.0 fps
Max frame rate (regardless of res.)60.0 fps60.0 fps
N/A
Motion JPEG frame rate60.0 fps60.0 fps
N/A
Analog signal format system
N/A
  • NTSC
  • PAL
  • NTSC
  • PAL
Camera playback
N/A
  • Movie
  • Single image
  • Slide show
  • Single image
  • Slide show
Video recording limit
N/A
N/A
125.0 min.

Audio features

Built-in microphoneyesyesyes
Microphone typeStereoMono
N/A
Speaker typeMonoMono
N/A
Voice recordingyes
N/A
N/A
Wind filteryes
N/A
N/A
Noise reductionyesyesyes
Built-in speakers
N/A
N/A
yes
Supported audio file formats
N/A
N/A
  • AC3
  • LPCM

Design

Body typeSLRSLRMILC
Body materialAluminum-magnesium
  • Magnesium
  • Stainless steel
N/A
Colour of product
  • Black
  • Silver
  • Black
  • Black,Grey
  • Silver
Black
Anti-dust systemyesyesyes
Environmentally sealedyesyes
N/A

Dimensions

Weight32.63 oz25.22 oz22.93 oz
Width5.37 in5.18 in5.1 in
Height4.33 in4.04 in2.9 in
Depth3.37 in3.05 in3.76 in

Storage

Compatible memory cards
  • SD
  • SDHC
  • SDXC
  • Eye-Fi
  • SD
  • SDHC
  • SDXC
  • MS Duo
  • MS Pro-HG Duo
  • SD
  • SDHC
  • SDXC
Memory slots222
Storage types
  • Dual SD
  • SDHC
  • SDXC
  • Dual SD
  • SDHC
  • SDXC
N/A
Camera file system
  • DCF 2.0
  • Exif 2.3
  • DCF 2.0
  • Exif 2.3
  • RAW
  • DCF 2.0
  • DPOF
  • Exif 2.31
  • RAW
Dual memory card slots
N/A
yes
N/A

Power

Power source typeBatteryBatteryBattery
Battery life (CIPA)760720610
Battery technology
Lithium-Ion
Lithium-Ion
Lithium-Ion
AC adapter includedYyesY
Battery life (max)
N/A
6.0 h3.5 h
Number of batteries supported
N/A
21
Battery level indicator
N/A
N/A
yes

Connectivity

HDMIyesyesyes
HDMI connector typeMicroMicroMicro
USB portyes
N/A
yes
USB connector typeMicro-USB BMicro-USB BUSB Type-C
USB version2.03.13.1
Headphone portyes
N/A
N/A
Microphone portyesyesyes
WirelessBuilt-InOptional
N/A
Supported WiFi types
  • IEEE 802.11b
  • IEEE 802.11g
  • IEEE 802.11n
N/A
  • IEEE 802.11b
  • IEEE 802.11g
  • IEEE 802.11n
Remote controlyesyes
N/A
PictBridgenono
N/A
NFCnonoyes
Wireless network (Wi-Fi)yesnoyes
Bluetoothnonoyes
Firewirenono
N/A
DC-in jack
N/A
yes
N/A
AV output
N/A
yes
N/A
Smartphone remote support
N/A
N/A
yes
Bluetooth version
N/A
N/A
4.1

Other features

Timelapse recordingyesyes
N/A
GPSyesnono
Orientation sensoryesyes
N/A
Electronic compassyes
N/A
N/A
Languages supportMulti
  • CZE
  • DAN
  • DEU
  • DUT
  • ENG
  • ESP
  • FIN
  • FRE
  • GRE
  • HUN
  • ITA
  • POL
  • POR
  • RUS
  • SWE
  • TUR
N/A
On Screen Display (OSD) languages
  • CZE
  • DAN
  • DEU
  • DUT
  • ENG
  • ESP
  • FIN
  • FRE
  • GRE
  • HUN
  • ITA
  • POL
  • POR
  • RUS
  • SWE
  • TUR
N/A
N/A
Image editing modes
  • Crop
  • Resizing
  • Rotating
  • Crop
  • Resizing
  • Rotating
N/A
Energy Star certified
N/A
no
N/A

Often compared with Pentax K-1

Often compared with Pentax K-3

Often compared with Sony a7 III