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Compare 4 products

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Nikon D5100 Digital Camera
Nikon D5100
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Pentax K-S1 Digital Camera
Pentax K-S1
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Pentax K-S2 Digital Camera
Pentax K-S2
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Sony SLT-A37 Digital Camera
Sony SLT-A37
Available colors
Editiorial reviews
34
4.1 out of 5
17 user ratings
5 stars
41 %
4 stars
41 %
3 stars
11 %
2 stars
5 %
1 stars
0 %
Read editorial reviews
20
3.9 out of 5
10 user ratings
5 stars
20 %
4 stars
70 %
3 stars
10 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
23
4.0 out of 5
16 user ratings
5 stars
37 %
4 stars
56 %
3 stars
0 %
2 stars
6 %
1 stars
0 %
Read editorial reviews
16
4.2 out of 5
7 user ratings
5 stars
42 %
4 stars
42 %
3 stars
14 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
51
3.9 out of 5
51 user ratings
5 stars
37 %
4 stars
29 %
3 stars
23 %
2 stars
7 %
1 stars
1 %
40
4.1 out of 5
40 user ratings
5 stars
35 %
4 stars
35 %
3 stars
30 %
2 stars
0 %
1 stars
0 %
42
4.2 out of 5
42 user ratings
5 stars
33 %
4 stars
50 %
3 stars
16 %
2 stars
0 %
1 stars
0 %
34
4.1 out of 5
34 user ratings
5 stars
35 %
4 stars
44 %
3 stars
20 %
2 stars
0 %
1 stars
0 %

Sensor

Sensor typeCMOSCMOSCMOSCMOS
Image sensor formatDXAPS-CAPS-CAPS-C
Sensor size0.93 in0.93 in0.93 in0.92 in
Effective pixels16.0 Mpx20.0 Mpx20.0 Mpx16.0 Mpx
Image ratio w:h3:23:23:2
  • 3:2
  • 16:9
Max resolution4928 x 3264 px5472 x 3648 px5472 x 3648 px4912 x 3264 px
Other resolutions
  • 3696x2448
  • 2464x1632
  • 4224x2816
  • 3456x2304
  • 3072x2448
  • 1920x1080
  • 4224x2816
  • 3072x2048
  • 1920x1280
  • 4912x2760
  • 3568x2368
  • 3568x2000
  • 2448x1624
  • 2448x1376
ProcessorExpeed 2PRIME MIIPRIME MII
N/A
Sensor photo detectors
N/A
20.0 Mpx20.0 Mpx17.0 Mpx

Image

ISO
  • 100
  • 6400
  • 12800
  • 25600
  • 100
  • 51200
Auto
  • 100
  • 16000
ISO Autoyesyesyesyes
ISO minimum100100100100
ISO maximum25600512005120016000
Boosted ISO maximum25600
N/A
N/A
25600
Maximum image resolution4928 x 3264 px5472 x 3648 px5472 x 3648 px4912 x 3264 px
White balance presets129106
White balance modes
  • Auto
  • Cloudy
  • Direct sunlight
  • Flash
  • Fluorescent
  • Incandescent
  • Manual
  • Shade
  • Auto
  • Cloudy
  • Daylight
  • Flash
  • Fluorescent
  • Manual
  • Shade
  • Tungsten
  • Auto
  • Cloudy
  • Daylight
  • Fluorescent
  • Manual
  • Shade
  • Tungsten
  • Auto
  • Cloudy
  • Custom modes
  • Daylight
  • Flash
  • Fluorescent
  • Incandescent
  • Shade
Custom white balanceyesyesyesyes
Supported image file formats
  • JPG
  • RAW
  • PEF
  • DNG
  • JPG
  • RAW
  • DNG
  • EXIF
  • JPG
  • PEF
  • RAW
  • JPG
  • RAW
Photo effects
  • Black&White
  • Neutral
  • Vivid
  • Black&White
  • Fader
  • Pastel
  • Black&White
  • Pastel
Vivid
Image stabilizernoyesnoyes
Image stabilization typeNoSensor-shiftSensor-shiftSensor-shift
Supported aspect ratios16:9
N/A
N/A
16:9
Uncompressed formatRAWRAWRAWRAW
HDRyesyesyesyes
AEB/HDR supportyesyesyesyes
Image stabilization axis
N/A
3-axis
N/A
N/A

Optics and focus

Lens mountNikon FPentax KAF2
  • Pentax KA
  • Pentax KAF
  • Pentax KAF2
  • Pentax KAF3
Sony A
Optical zoom3.0 x11.0 x
N/A
N/A
Magnification (Crop factor)1.5 x1.5 x1.5 x1.5 x
Maximum aperture2.83.5323.5
AF assist (auto-focus assist light)LampLamp
N/A
Flash
Focus adjustmentAutoAutoAuto/ManualAuto/Manual
Contrast autofocusyesyesyesno
Brightness adjustmentyesyesyesyes
Autofocus in recording modeyesyesyesyes
Focal length multiplier1.5x1.5x1.5x1.5x
Autofocus
  • Continuous Auto Focus
  • Servo Auto Focus
  • Single Auto Focus
  • Continuous Auto Focus
  • Face detection
  • Single Auto Focus
Continuous Auto Focus
  • Continuous Auto Focus
  • Single Auto Focus
  • Spot Auto Focus
Auto Focus (AF) lockyes
N/A
yesyes
Manual focusyesyesyesyes
Auto Focus (AF) points selectionAuto
N/A
N/A
N/A
Auto Focus (AF) assist beamyesyesyesyes
Number of focus points11111115
Max number of AF points (incl. assistant)11111115
Image stabiliserLens based onlyBuilt-inBuilt-inBuilt-in
Filter diameter2.83 in2.44 in
N/A
2.17 in
Phase detection autofocusyesyesyesyes
Saturation adjustment
N/A
yesyes
N/A
Number of AF points (contrast)
N/A
11
N/A
N/A
Contrast adjustment
N/A
N/A
yes
N/A
Digital zoom
N/A
N/A
N/A
2.0 x

Screen and viewfinder

Screen size3.0 in3.0 in3.0 in2.7 in
Articulated LCDyesnoyesyes
Screen technologyLCDLCD TFTLCD TFTLCD TFT
Screen dots921000921000921000230400
Touch screennononono
Field of view100.0 %100.0 %100.0 %100.0 %
Live viewyesyesyesyes
ViewfinderOptical
Optical
ElectronicElectronic
Viewfinder coverage95.0 %100.0 %100.0 %100.0 %
Viewfinder magnification0.78 x0.95 x0.95 x16.0 x
Dioptre correctionyesyesyesyes
Diopter adjustment (D-D)1.7 - 0.72.5 - 1.52.5 - 1.5
N/A
Eye relief0.7 in0.88 in0.81 in
N/A
Separate info displaynononono
Second display
N/A
no
N/A
no
Display aspect ratio
N/A
N/A
3:2
N/A
Viewfinder screen size
N/A
N/A
N/A
0.46 in
Viewfinder resolution
N/A
N/A
N/A
1440000.0 px

Photography features

Shooting modes
  • Aperture priority
  • Auto
  • Manual
  • Movie
  • Program
  • Scene
  • Shutter priority
  • Sensitivity priority
  • Aperture priority
  • Auto
  • Movie
  • Scene
  • Shutter priority
  • Aperture priority
  • Auto
  • Manual
  • Sensitivity priority
  • Shutter priority
N/A
Camera shutter typeElectronicElectronicElectronicElectronic
Minimum shutter speed30.0 s30.0 s30.0 s30.0 s
Maximum shutter speed1.0 s1.0 s1.0 s1.0 s
Shutter priorityyesyesyesyes
Aperture priorityyesyesyesyes
Manual exposure modeyesyesyesyes
Number of exposures3313
Exposure compensation plus5553
Exposure compensation minus-5-5-5-3
Expousure compensation steps
  • 1/3
  • 1/2
  • 1/3
  • 1/2
  • 1/3
  • 1/2
1/3
Auto exposure lockyesyesyesyes
AE EV steps
  • 1/3
  • 1/2
  • 1/3
  • 1/2
  • 1
  • 2
  • 1/3
  • 2/3
Continuous shootingyesyesyesyes
Self-timer delay
  • 2
  • 5
  • 10
  • 20
  • 2
  • 12
  • 2
  • 3
  • 12
  • 2
  • 10
Histogramyesyesyesyes
AE frames3333
WB Bracketing
Yes
No
N/A
Yes
Subject / scene modesyesyesyesyes
Flash sync speed1/200s1/180s1/180s1/160s
Built-in flashyesyesyesyes
Flash range12101212
Flash modes
  • Flash OFF
  • Redeye Reduction
  • Slow Sync
  • Auto
  • Flash ON
  • Manual
  • Redeye Reduction
  • Slow Sync
  • Auto
  • Flash ON
  • High-speed Sync
  • Manual
  • Redeye Reduction
  • Slow Sync
  • Auto
  • Fill-in
  • Pre-flash
  • Redeye Reduction
  • Second-curtain Sync
  • Slow Sync
External flash connectionHot shoeHot shoeHot shoeHot shoe
External flashyesyesyesyes
Continuous drive4.0 fps5.4 fps5.4 fps5.5 fps
Scene modes
  • Backlight
  • Beach
  • Candlelight
  • Children
  • Close-up
  • Dawn
  • Dusk
  • Food
  • Landscape
  • Night landscape
  • Night portrait
  • Party
  • Pet
  • Portrait
  • Snow
  • Sports
  • Sunset
  • Backlight
  • Candlelight
  • Children
  • Museum
  • Night
  • Night portrait
  • Pet
  • Portrait
  • Snow
  • Sunset
  • Surf
  • Landscape
  • Night portrait
  • Pet
  • Portrait
  • Sunset
  • Landscape
  • Panorama
  • Portrait
  • Sunset
  • Landscape
Self-timeryesyesyesyes
Metering modes
  • Multi
  • Center-weighted
  • Spot
  • Multi
  • Center-weighted
  • Spot
  • Multi
  • Center-weighted
  • Spot
  • Multi
  • Center-weighted
  • Spot
Manual settingsyesyesyesyes
Self-timer options
  • 2
  • 5
  • 10
  • 20
  • 2
  • 12
  • 2
  • 12
  • 2
  • 10
Speed (JPEG)4.0 fps5.4 fps5.4 fps5.5 fps
Speed (RAW)4.0 fps5.4 fps5.4 fps5.5 fps
Exposure bracketing0.3 - 0.5±EV0.3 - 0.5±EV
N/A
N/A
Flash metering system
N/A
P-TTLP-TTL
TTL
3D support
N/A
N/A
N/A
yes

Videography features

Maximum resolution1920 x 1080 px1920 x 1080 px1920 x 1080 px1920 x 1080 px
Video recordingyesyesyesyes
Recording resolutions
  • 640 x 424
  • 1280 x 720
  • 1920 x 1080
1920.0 px
  • 1280 x 720
  • 1920 x 1080
  • 1440 x 1080
  • 1920 x 1080
HD typeFull HDFull HDFull HDFull HD
Supported video file formats
  • H.264
  • MOV
  • MPEG-4
  • AVC
  • AVI
  • H.264
  • M-JPEG
  • MOV
  • MPEG-4
  • RAW
  • AVC
  • H.264
  • MPEG-4
  • AVCHD
  • MP4
Analog signal format systemNTSC
  • NTSC
  • PAL
N/A
N/A
Camera playback
  • Highlights
  • Movie
  • Single image
  • Slide show
  • Thumbnails
  • Single image
  • Slide show
  • Movie
  • Single image
  • Slide show
Single image
Max resolution (highest frame rate)1920 x 10801280 x 7201280 x 7201920 x 1080
Max frame rate (highest resolution)30.0 fps30.0 fps30.0 fps25.0 fps
Max frame rate (regardless of res.)30.0 fps60.0 fps60.0 fps50.0 fps
Motion JPEG frame rate30.0 fps60.0 fps50.0 fps25.0 fps

Audio features

Built-in microphoneyesyesyesyes
Microphone typeMonoStereoStereoStereo
Voice recordingyesyesyesyes
Audio systemStereoStereo
N/A
N/A
Supported audio file formatsLPCM
N/A
N/A
  • AAC
  • AC3
Noise reductionyesyes
N/A
N/A
Speaker type
N/A
MonoMonoMono

Design

Body typeSLRSLRSLRSLR
Body materialPlasticPlasticPolycarbonatePlastic
Colour of productBlack
  • Beige
  • Black
  • Black,Orange
  • Black,Silver
  • Blue
  • Blue,White
  • Brown
  • Gold
  • Grey
  • Lime,White
  • Pink,White
  • Purple
  • White
  • Beige
  • Black
  • Black,Grey
  • Black,Orange
  • Black,Pink
  • Black,White
  • Brown,Grey
  • Grey
  • Lime,White
  • White
Black
Anti-dust systemyesyesyesyes
Environmentally sealednonoyesno

Dimensions

Weight17.99 oz17.57 oz21.8 oz14.64 oz
Width5.0 in4.72 in4.82 in4.9 in
Height3.8 in3.64 in3.58 in3.62 in
Depth3.1 in2.74 in2.85 in3.33 in

Storage

Internal storage4098.0 mB
N/A
N/A
N/A
Compatible memory cards
  • SD
  • SDHC
  • SDXC
  • FLU
  • Eye-Fi
  • SD
  • SDHC
  • SDXC
  • SD
  • SDHC
  • SDXC
  • MS Pro Duo
  • MS Pro-HG Duo
  • SD
  • SDHC
  • SDXC
Dual memory card slotsyes
N/A
N/A
yes
Memory slots1
N/A
1
N/A
Storage types
  • SD
  • SDHC
  • SDXC
  • SD
  • SDHC
  • SDXC
  • SD
  • SDHC
  • SDXC
  • SD
  • SDHC
  • SDXC
  • Memory Stick Pro Duo
  • Memory Stick Pro-HG Duo
Camera file system
  • DCF 2.0
  • DPOF
  • Exif 2.3
  • DCF 2.0
  • Exif 2.3
  • RAW
  • DCF 2.0
  • Exif 2.3
  • DCF 2.0
  • DPOF 1.1
  • Exif 2.3
  • MPF
  • RAW

Power

Power source typeBatteryBatteryBatteryBattery
Battery life (CIPA)660480480500
Battery technology
Lithium-Ion
Lithium-Ion
Lithium-Ion
Lithium
Battery level indicatoryes
N/A
N/A
yes
Number of batteries supported1111
AC adapter includedyes
N/A
N/A
N/A
Battery voltage
N/A
N/A
N/A
7.2 V

Connectivity

HDMIyesyesyesyes
HDMI ports quantity1
N/A
N/A
1
HDMI connector typeMini
N/A
MicroMini
USB version2.02.02.02.0
Microphone portyesyesno
N/A
WirelessEye-Fi ConnectedEye-Fi ConnectedBuilt-InEye-Fi Connected
DC-in jackyes
N/A
N/A
yes
Remote controlyesyesyesyes
PictBridgeyes
N/A
N/A
no
NFCnonoyesno
Wireless network (Wi-Fi)yesnoyesno
Bluetoothno
N/A
N/A
N/A
Firewirenononono
USB connector type
N/A
Micro-USB BMicro-USB B
N/A
Headphone port
N/A
nono
N/A

Other features

Timelapse recordingyes
N/A
yes
N/A
GPSnoyesnono
Orientation sensoryesyesyesyes
Calendaryes
N/A
N/A
N/A
Energy Star certifiednononono
Frameyes
N/A
N/A
N/A
Languages supportMulti
  • DAN
  • DEU
  • DUT
  • ENG
  • FIN
  • FRE
  • GRE
  • HUN
  • ITA
  • POL
  • POR
  • RUS
  • SWE
  • TUR
  • CHI
  • CHI
  • CZE
  • DAN
  • DEU
  • DUT
  • ENG
  • ESP
  • FIN
  • FRE
  • GRE
  • HUN
  • ITA
  • JPN
  • KOR
  • POL
  • POR
  • RUS
  • SWE
N/A
Tripod mounting supportedyes
N/A
N/A
N/A
On Screen Display (OSD) languages
  • ARA
  • CHI
  • CHI
  • CZE
  • DAN
  • DEU
  • DUT
  • ENG
  • ESP
  • FIN
  • FRE
  • IND
  • ITA
  • JPN
  • KOR
  • NOR
  • POL
  • POR
  • RUS
  • SWE
  • THA
  • TUR
N/A
N/A
  • CZE
  • DAN
  • DEU
  • DUT
  • ENG
  • ESP
  • FIN
  • FRE
  • GRE
  • HUN
  • ITA
  • NOR
  • POL
  • POR
  • RUS
  • SWE
  • TUR
Image editing modes
  • Resizing
  • Trimming
  • Crop
  • Resizing
  • Rotating
N/A
Rotating

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Often compared with Pentax K-S2

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Often compared with Sony SLT-A37

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