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Compare 3 products

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Nikon D3100 Digital Camera
Nikon D3100
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Nikon D40 Digital Camera
Nikon D40
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Sony SLT-A37 Digital Camera
Sony SLT-A37
Available colors
Editiorial reviews
33
4.0 out of 5
19 user ratings
5 stars
47 %
4 stars
36 %
3 stars
5 %
2 stars
10 %
1 stars
0 %
Read editorial reviews
25
4.1 out of 5
10 user ratings
5 stars
30 %
4 stars
60 %
3 stars
0 %
2 stars
10 %
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
72
3.8 out of 5
72 user ratings
5 stars
34 %
4 stars
23 %
3 stars
26 %
2 stars
15 %
1 stars
0 %
42
4.3 out of 5
42 user ratings
5 stars
50 %
4 stars
30 %
3 stars
19 %
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 typeCMOSCCDCMOS
Image sensor formatDXDXAPS-C
Sensor size0.91 in0.93 in0.92 in
Sensor photo detectors15.0 Mpx6.0 Mpx17.0 Mpx
Effective pixels14.0 Mpx6.0 Mpx16.0 Mpx
Image ratio w:h3:23:2
  • 3:2
  • 16:9
Max resolution4608 x 3072 px3008 x 2000 px4912 x 3264 px
Other resolutions
  • 3456x2304
  • 2304x1536
  • 2256x1496
  • 1504x1000
  • 4912x2760
  • 3568x2368
  • 3568x2000
  • 2448x1624
  • 2448x1376
ProcessorExpeed 2
N/A
N/A

Image

ISO
  • 100
  • 200
  • 400
  • 800
  • 1600
  • 3200
  • Auto
  • 200
  • 1600
  • 100
  • 16000
ISO Autoyesyesyes
ISO minimum100200100
ISO maximum12800160016000
Boosted ISO maximum12800320025600
Maximum image resolution4608 x 3072 px3008 x 2000 px4912 x 3264 px
White balance presets1266
White balance modes
  • Auto
  • Manual
Auto
  • Auto
  • Cloudy
  • Custom modes
  • Daylight
  • Flash
  • Fluorescent
  • Incandescent
  • Shade
Custom white balanceyesyesyes
Supported image file formats
  • JPG
  • RAW
  • JPEG XR
  • RAW
  • JPG
  • RAW
Photo effectsBlack&White
  • Black&White
  • Vivid
Vivid
Image stabilizernonoyes
Image stabilization typeNoNoSensor-shift
Supported aspect ratios16:9
N/A
16:9
Uncompressed formatRAWRAWRAW
AEB/HDR supportnonoyes
HDR
N/A
N/A
yes

Optics and focus

Lens mountNikon-AFNikon FSony A
Optical zoom3.0 x3.0 x
N/A
Magnification (Crop factor)1.5 x1.5 x1.5 x
Minimum aperture3.5
N/A
N/A
Maximum aperture3.5223.5
AF assist (auto-focus assist light)LampLampFlash
Focus adjustmentAuto
N/A
Auto/Manual
Contrast autofocusyesnono
Brightness adjustmentyes
N/A
yes
Autofocus in recording modeyes
N/A
yes
Focal length multiplier1.5x1.5x1.5x
AutofocusSingle Auto Focus
  • Selective single-point
  • Single
  • Continuous Auto Focus
  • Single Auto Focus
  • Spot Auto Focus
Auto Focus (AF) lockyesyesyes
Manual focusyesyesyes
Auto Focus (AF) points selection
  • Auto
  • Manual
  • Auto
  • Manual
N/A
Auto Focus (AF) assist beamyes
N/A
yes
Number of focus points11315
Max number of AF points (incl. assistant)11315
Image stabiliserLens based onlyLens based onlyBuilt-in
Filter diameter2.05 in2.05 in2.17 in
Phase detection autofocusyesyesyes
Digital zoom
N/A
3.0 x2.0 x

Screen and viewfinder

Screen size3.0 in2.5 in2.7 in
Articulated LCDnonoyes
Screen technologyLCDLCDLCD TFT
Screen dots230000230000230400
Touch screennonono
Field of view95.0 %
N/A
100.0 %
Live viewyesnoyes
ViewfinderOpticalElectronicElectronic
Viewfinder coverage95.0 %95.0 %100.0 %
Viewfinder magnification0.8 x0.8 x16.0 x
Dioptre correctionyes
N/A
yes
Diopter adjustment (D-D)-1.7 - 0.51.7 - 0.5
N/A
Eye relief0.71 in0.71 in
N/A
Separate info displaynonono
Flip-out screenno
N/A
N/A
Viewfinder screen size
N/A
N/A
0.46 in
Viewfinder resolution
N/A
N/A
1440000.0 px
Second display
N/A
N/A
no

Photography features

Shooting modes
  • Auto
  • Manual
  • Movie
N/A
N/A
Camera shutter type
  • Electronic
  • Mechanical
N/A
Electronic
Minimum shutter speed30.0 s30.0 s30.0 s
Maximum shutter speed1.0 s1.0 s1.0 s
Shutter priorityyesyesyes
Aperture priorityyesyesyes
Manual exposure modeyes
N/A
yes
Exposure compensation plus553
Exposure compensation minus-5-5-3
Expousure compensation steps1/31/31/3
Auto exposure lockyesyesyes
Continuous shootingyesyesyes
Self-timer delay10.0 s
  • 2
  • 5
  • 10
  • 20
  • 2
  • 10
Histogramyes
N/A
yes
WB BracketingNo
N/A
Yes
Subject / scene modesyes
N/A
yes
Flash sync speed1/200s1/500s1/160s
Built-in flashyesyesyes
Flash range121712
Flash modes
  • Auto
  • Flash OFF
  • Redeye Reduction
  • Slow Sync
  • Auto
  • Redeye Reduction
  • Auto
  • Fill-in
  • Pre-flash
  • Redeye Reduction
  • Second-curtain Sync
  • Slow Sync
External flash connectionHot shoeHot shoeHot shoe
Flash metering systemi-TTL
N/A
TTL
External flashyesyesyes
Continuous drive3.0 fps2.5 fps5.5 fps
Scene modes
  • Children
  • Close-up
  • Portrait
  • Children
  • Close-up
  • Portrait
  • Sports
  • Landscape
  • Panorama
  • Portrait
  • Sunset
  • Landscape
Self-timeryesyesyes
Metering modes
  • Multi
  • Center-weighted
  • Average
N/A
  • Multi
  • Center-weighted
  • Spot
Manual settingsyesyesyes
Speed (JPEG)3.0 fps2.5 fps5.5 fps
Speed (RAW)3.0 fps2.6 fps5.5 fps
Self-timer options
N/A
custom
  • 2
  • 10
Number of exposures
N/A
N/A
3
AE EV steps
N/A
N/A
  • 1/3
  • 2/3
AE frames
N/A
N/A
3
3D support
N/A
N/A
yes

Videography features

Maximum resolution1920 x 1080 px
N/A
1920 x 1080 px
Video recordingyesyesyes
Recording resolutions1280.0 px
N/A
  • 1440 x 1080
  • 1920 x 1080
HD typeFull HDNot supportedFull HD
Supported video file formats
  • AVC
  • H.264
  • MOV
  • MPEG-4
N/A
  • AVCHD
  • MP4
Analog signal format system
  • NTSC
  • PAL
N/A
N/A
Camera playback
  • Highlights
  • Movie
  • Single image
  • Slide show
  • Thumbnails
N/A
Single image
Max resolution (highest frame rate)1280 x 720
N/A
1920 x 1080
Max frame rate (highest resolution)24.0 fps
N/A
25.0 fps
Max frame rate (regardless of res.)30.0 fps
N/A
50.0 fps
Motion JPEG frame rate30.0 fps
N/A
25.0 fps

Design

Body typeSLRSLRSLR
Body materialPlasticPlasticPlastic
Colour of product
  • Black
  • Red
  • Black
  • Silver
Black
Anti-dust systemyesnoyes
Environmentally sealednonono

Dimensions

Weight16.05 oz16.76 oz14.64 oz
Width4.88 in4.96 in4.9 in
Height2.93 in3.7 in3.62 in
Depth3.78 in2.52 in3.33 in

Storage

Internal storage4098.0 mB
N/A
N/A
Compatible memory cards
  • SD
  • SDHC
  • SDXC
SD
  • MS Pro Duo
  • MS Pro-HG Duo
  • SD
  • SDHC
  • SDXC
Maximum memory card size64.0 GB
N/A
N/A
Dual memory card slotsyes
N/A
yes
Memory slots1
N/A
N/A
Storage types
  • SD
  • SDHC
  • SDXC
  • SD
  • SDHC
  • SD
  • SDHC
  • SDXC
  • Memory Stick Pro Duo
  • Memory Stick Pro-HG Duo
Camera file system
  • DCF 2.0
  • DPOF 1.1
  • Exif 2.21
  • DCF
  • DCF 2.0
  • Exif 2.21
  • DCF 2.0
  • DPOF 1.1
  • Exif 2.3
  • MPF
  • RAW

Power

Power source type
  • AC
  • Battery
BatteryBattery
Battery life (CIPA)550470500
Battery technology
Lithium-Ion
Lithium-Ion
Lithium
Number of batteries supported111
AC adapter includedyes
N/A
N/A
Battery level indicator
N/A
N/A
yes
Battery voltage
N/A
N/A
7.2 V

Connectivity

HDMIyesnoyes
HDMI ports quantity1
N/A
1
HDMI connector typeMini
N/A
Mini
USB portyes
N/A
N/A
USB version2.02.02.0
Microphone portyes
N/A
N/A
WirelessEye-Fi Connected
N/A
Eye-Fi Connected
DC-in jackyesyesyes
Remote controlyesyesyes
PictBridgeyes
N/A
no
NFCnonono
Wireless network (Wi-Fi)nonono
Bluetoothno
N/A
N/A
Firewirenonono

Other features

GPSyesnono
Orientation sensoryesyesyes
Calendaryes
N/A
N/A
Energy Star certifiedno
N/A
no
Languages support
  • CHI
  • CHI
  • CZE
  • DAN
  • DEU
  • DUT
  • ENG
  • ESP
  • FIN
  • FRE
  • ITA
  • JPN
  • KOR
  • NOR
  • POL
  • POR
  • RUS
  • SWE
  • TUR
  • CHI
  • CHI
  • DEU
  • DUT
  • ENG
  • FIN
  • FRE
  • ITA
  • JPN
  • KOR
  • POL
  • POR
  • RUS
  • SWE
N/A
Tripod mounting supportedyes
N/A
N/A
Tripod thread1.0 in
N/A
N/A
On Screen Display (OSD) languages
  • CHI
  • CZE
  • DAN
  • DEU
  • DUT
  • ENG
  • ESP
  • FIN
  • FRE
  • ITA
  • JPN
  • KOR
  • NOR
  • POL
  • POR
  • RUS
  • SWE
  • TUR
N/A
  • CZE
  • DAN
  • DEU
  • DUT
  • ENG
  • ESP
  • FIN
  • FRE
  • GRE
  • HUN
  • ITA
  • NOR
  • POL
  • POR
  • RUS
  • SWE
  • TUR
Image editing modes
  • Rotating
  • Trimming
N/A
Rotating
Timelapse recording
N/A
yes
N/A

Often compared with Nikon D3100

Often compared with Nikon D40

Often compared with Sony SLT-A37