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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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Pentax K-m Digital Camera
Pentax K-m
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
14
3.7 out of 5
9 user ratings
5 stars
22 %
4 stars
44 %
3 stars
22 %
2 stars
11 %
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 %
44
4.2 out of 5
44 user ratings
5 stars
43 %
4 stars
34 %
3 stars
22 %
2 stars
0 %
1 stars
0 %

Sensor

Sensor typeCMOSCCDCCD
Image sensor formatDXDXAPS-C
Sensor size0.91 in0.93 in0.93 in
Sensor photo detectors15.0 Mpx6.0 Mpx11.0 Mpx
Effective pixels14.0 Mpx6.0 Mpx10.0 Mpx
Image ratio w:h3:23:23:2
Max resolution4608 x 3072 px3008 x 2000 px3872 x 2592 px
Other resolutions
  • 3456x2304
  • 2304x1536
  • 2256x1496
  • 1504x1000
  • 3008x2000
  • 1824x1216
ProcessorExpeed 2
N/A
N/A

Image

ISO
  • 100
  • 200
  • 400
  • 800
  • 1600
  • 3200
  • Auto
  • 200
  • 1600
  • 100
  • 1600
ISO Autoyesyesyes
ISO minimum100200100
ISO maximum1280016003200
Boosted ISO maximum128003200
N/A
Maximum image resolution4608 x 3072 px3008 x 2000 px3872 x 2592 px
White balance presets1268
White balance modes
  • Auto
  • Manual
Auto
  • Auto
  • Cloudy
  • Daylight
  • Flash
  • Fluorescent
  • Manual
Custom white balanceyesyesyes
Supported image file formats
  • JPG
  • RAW
  • JPEG XR
  • RAW
N/A
Photo effectsBlack&White
  • Black&White
  • Vivid
  • Black&White
  • Sepia
Image stabilizernono
N/A
Image stabilization typeNoNoSensor-shift
Supported aspect ratios16:9
N/A
N/A
Uncompressed formatRAWRAWRAW
AEB/HDR supportnono
N/A

Optics and focus

Lens mountNikon-AFNikon FPentax KAF2
Optical zoom3.0 x3.0 x
N/A
Magnification (Crop factor)1.5 x1.5 x
N/A
Minimum aperture3.5
N/A
N/A
Maximum aperture3.522
N/A
AF assist (auto-focus assist light)LampLamp
N/A
Focus adjustmentAuto
N/A
Auto
Contrast autofocusyesno
N/A
Brightness adjustmentyes
N/A
N/A
Autofocus in recording modeyes
N/A
N/A
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) lockyesyes
N/A
Manual focusyesyesyes
Auto Focus (AF) points selection
  • Auto
  • Manual
  • Auto
  • Manual
N/A
Auto Focus (AF) assist beamyes
N/A
N/A
Number of focus points1135
Max number of AF points (incl. assistant)113
N/A
Image stabiliserLens based onlyLens based only
N/A
Filter diameter2.05 in2.05 in2.05 in
Phase detection autofocusyesyes
N/A
Digital zoom
N/A
3.0 x
N/A

Screen and viewfinder

Screen size3.0 in2.5 in2.7 in
Articulated LCDnonono
Screen technologyLCDLCDLCD
Screen dots230000230000230000
Touch screennonono
Field of view95.0 %
N/A
N/A
Live viewyesnono
ViewfinderOpticalElectronic
Optical
Viewfinder coverage95.0 %95.0 %96.0 %
Viewfinder magnification0.8 x0.8 x0.85 x
Dioptre correctionyes
N/A
N/A
Diopter adjustment (D-D)-1.7 - 0.51.7 - 0.5
N/A
Eye relief0.71 in0.71 in
N/A
Separate info displaynono
N/A
Flip-out screenno
N/A
N/A

Photography features

Shooting modes
  • Auto
  • Manual
  • Movie
N/A
N/A
Camera shutter type
  • Electronic
  • Mechanical
N/A
N/A
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 plus552
Exposure compensation minus-5-5-2
Expousure compensation steps1/31/3
  • 1/2
  • 1/3
Auto exposure lockyesyes
N/A
Continuous shootingyesyes
N/A
Self-timer delay10.0 s
  • 2
  • 5
  • 10
  • 20
N/A
Histogramyes
N/A
yes
WB BracketingNo
N/A
N/A
Subject / scene modesyes
N/A
no
Flash sync speed1/200s1/500s
N/A
Built-in flashyesyesyes
Flash range121711
Flash modes
  • Auto
  • Flash OFF
  • Redeye Reduction
  • Slow Sync
  • Auto
  • Redeye Reduction
  • Auto
  • Redeye Reduction
External flash connectionHot shoeHot shoe
N/A
Flash metering systemi-TTL
N/A
N/A
External flashyesyesyes
Continuous drive3.0 fps2.5 fps3.5 fps
Scene modes
  • Children
  • Close-up
  • Portrait
  • Children
  • Close-up
  • Portrait
  • Sports
  • Landscape
  • Close-up
  • Museum
  • Night portrait
  • Portrait
  • Sunset
  • Landscape
Self-timeryesyesyes
Metering modes
  • Multi
  • Center-weighted
  • Average
N/A
  • Multi
  • Center-weighted
  • Spot
Manual settingsyesyes
N/A
Speed (JPEG)3.0 fps2.5 fps
N/A
Speed (RAW)3.0 fps2.6 fps
N/A
Self-timer options
N/A
custom
  • 2
  • 12
AE EV steps
N/A
N/A
  • 1/3
  • 1/2

Videography features

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

Design

Body typeSLRSLRSLR
Body materialPlasticPlastic
N/A
Colour of product
  • Black
  • Red
  • Black
  • Silver
Black
Anti-dust systemyesno
N/A
Environmentally sealednonono

Dimensions

Weight16.05 oz16.76 oz20.81 oz
Width4.88 in4.96 in4.82 in
Height2.93 in3.7 in2.66 in
Depth3.78 in2.52 in3.6 in

Storage

Internal storage4098.0 mB
N/A
N/A
Compatible memory cards
  • SD
  • SDHC
  • SDXC
SDSD
Maximum memory card size64.0 GB
N/A
N/A
Dual memory card slotsyes
N/A
N/A
Memory slots1
N/A
N/A
Storage types
  • SD
  • SDHC
  • SDXC
  • SD
  • SDHC
  • SD
  • SDHC
Camera file system
  • DCF 2.0
  • DPOF 1.1
  • Exif 2.21
  • DCF
  • DCF 2.0
  • Exif 2.21
N/A

Connectivity

HDMIyesnono
HDMI ports quantity1
N/A
N/A
HDMI connector typeMini
N/A
N/A
USB portyes
N/A
N/A
USB version2.02.02.0
Microphone portyes
N/A
N/A
WirelessEye-Fi Connected
N/A
N/A
DC-in jackyesyes
N/A
Remote controlyesyesyes
PictBridgeyes
N/A
N/A
NFCnono
N/A
Wireless network (Wi-Fi)nono
N/A
Bluetoothno
N/A
N/A
Firewirenono
N/A

Other features

GPSyesnono
Orientation sensoryesyesno
Calendaryes
N/A
yes
Energy Star certifiedno
N/A
N/A
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
N/A
Image editing modes
  • Rotating
  • Trimming
N/A
  • Resizing
  • Trimming
Timelapse recording
N/A
yesno

Often compared with Nikon D3100

Often compared with Nikon D40