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Compare 3 products

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Nikon D5100 Digital Camera
Nikon D5100
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Nikon D7100 Digital Camera
Nikon D7100
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Sony SLT-A55 Digital Camera
Sony SLT-A55
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
54
4.3 out of 5
21 user ratings
5 stars
42 %
4 stars
57 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
20
4.0 out of 5
12 user ratings
5 stars
50 %
4 stars
25 %
3 stars
25 %
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 %
52
3.9 out of 5
52 user ratings
5 stars
30 %
4 stars
34 %
3 stars
32 %
2 stars
1 %
1 stars
0 %
46
4.1 out of 5
46 user ratings
5 stars
39 %
4 stars
34 %
3 stars
23 %
2 stars
2 %
1 stars
0 %

Sensor

Sensor typeCMOSCMOSCMOS
Image sensor formatDXDXAPS-C
Sensor size0.93 in0.93 in0.93 in
Effective pixels16.0 Mpx24.0 Mpx16.0 Mpx
Image ratio w:h3:2
  • 3:2
  • 16:9
  • 3:2
  • 16:9
Max resolution4928 x 3264 px6000 x 4000 px4912 x 3264 px
Other resolutions
  • 3696x2448
  • 2464x1632
  • 6000x3368
  • 4800x3200
  • 4800x2696
  • 4494x3000
  • 4496x2528
  • 3600x2400
  • 3600x2024
  • 2992x2000
  • 2992x1680
  • 2400x1600
  • 2400x1344
  • 3568x2368
  • 2448x1624
  • 2448x1376
ProcessorExpeed 2
N/A
BIONZ
Sensor photo detectors
N/A
25.0 Mpx17.0 Mpx

Image

ISO
  • 100
  • 6400
  • 12800
  • 25600
  • 100
  • 6400
  • 100
  • 125
  • 160
  • 200
  • 250
  • 320
  • 400
  • 500
  • 640
  • 800
  • 1000
  • 1250
  • 1600
  • 2000
  • 2250
  • 3200
  • 6400
  • Auto
ISO Autoyesyesyes
ISO minimum100100100
ISO maximum256002560012800
Boosted ISO maximum256002560025600
Maximum image resolution4928 x 3264 px6000 x 4000 px4592 x 3056 px
White balance presets12126
White balance modes
  • Auto
  • Cloudy
  • Direct sunlight
  • Flash
  • Fluorescent
  • Incandescent
  • Manual
  • Shade
  • Auto
  • Cloudy
  • Flash
  • Fluorescent
  • Incandescent
  • Manual
  • Shade
  • Sunny
  • Auto
  • Cloudy
  • Custom modes
  • Daylight
  • Flash
  • Fluorescent
  • Incandescent
  • Shade
Custom white balanceyesyesyes
Supported image file formats
  • JPG
  • RAW
  • JPG
  • NEF
  • RAW
JPG
Photo effects
  • Black&White
  • Neutral
  • Vivid
  • Neutral
  • Vivid
  • Black&White
  • Vivid
Image stabilizernonono
Image stabilization typeNoNoSensor-shift
Supported aspect ratios16:9
N/A
16:9
Uncompressed formatRAWRAWRAW
HDRyesyesyes
AEB/HDR supportyesyesyes
Boosted ISO minimum
N/A
50
N/A

Optics and focus

Lens mountNikon FNikon F
  • Sony Alpha DT
  • Sony Alpha
Optical zoom3.0 x5.8 x
N/A
Magnification (Crop factor)1.5 x1.5 x1.5 x
Maximum aperture2.83.5
N/A
AF assist (auto-focus assist light)LampLampLamp
Focus adjustmentAutoAuto/ManualAuto
Contrast autofocusyesyesno
Brightness adjustmentyesyes
N/A
Autofocus in recording modeyesyesyes
Focal length multiplier1.5x
N/A
1.5x
Autofocus
  • Continuous Auto Focus
  • Servo Auto Focus
  • Single Auto Focus
  • Multi Point Auto Focus
  • Single Auto Focus
  • Continuous Auto Focus
  • Single Auto Focus
Auto Focus (AF) lockyesyesyes
Manual focusyesyesyes
Auto Focus (AF) points selectionAutoAuto
N/A
Auto Focus (AF) assist beamyes
N/A
yes
Number of focus points115115
Max number of AF points (incl. assistant)115115
Image stabiliserLens based onlyLens based onlyBuilt-in
Filter diameter2.83 in3.03 in2.17 in
Phase detection autofocusyesyesyes
Minimum aperture
N/A
3.5
N/A
Contrast adjustment
N/A
yes
N/A

Screen and viewfinder

Screen size3.0 in3.2 in3.0 in
Articulated LCDyesnoyes
Screen technologyLCDLCD TFTLCD
Screen dots9210001228800921000
Touch screennonono
Field of view100.0 %
N/A
100.0 %
Live viewyesyesyes
ViewfinderOpticalElectronicElectronic
Viewfinder coverage95.0 %100.0 %100.0 %
Viewfinder magnification0.78 x0.94 x1.1 x
Dioptre correctionyesyes
N/A
Diopter adjustment (D-D)1.7 - 0.7-2 - 1
N/A
Eye relief0.7 in0.77 in
N/A
Separate info displaynoyesno
Display resolution
N/A
640 x 480 px
N/A
Flip-out screen
N/A
no
N/A
Viewfinder resolution
N/A
N/A
1150000.0 px

Photography features

Shooting modes
  • Aperture priority
  • Auto
  • Manual
  • Movie
  • Program
  • Scene
  • Shutter priority
  • Auto
  • Manual
N/A
Camera shutter typeElectronicElectronicElectronic
Minimum shutter speed30.0 s30.0 s30.0 s
Maximum shutter speed1.0 s1.0 s1.0 s
Shutter priorityyesyesyes
Aperture priorityyesyesyes
Manual exposure modeyesyesyes
Number of exposures323
Exposure compensation plus552
Exposure compensation minus-5-5-2
Expousure compensation steps
  • 1/3
  • 1/2
  • 1/3
  • 1/2
1/3
Auto exposure lockyesyesyes
AE EV steps
  • 1/3
  • 1/2
  • 1/3
  • 1/2
  • 2/3
  • 1
  • 2
  • 1/3
  • 2/3
Continuous shootingyesyesyes
Self-timer delay
  • 2
  • 5
  • 10
  • 20
  • 2
  • 5
  • 10
  • 20
  • 2
  • 10
Histogramyesyesyes
AE frames3
  • 2
  • 3
  • 5
3
WB Bracketing
Yes
YesYes
Subject / scene modesyesyesyes
Flash sync speed1/200s1/320s1/160s
Built-in flashyesyesyes
Flash range121210
Flash modes
  • Flash OFF
  • Redeye Reduction
  • Slow Sync
  • Flash OFF
  • Flash ON
  • Auto
  • Fill-in
  • Flash OFF
  • Redeye Reduction
  • Slow Sync
External flash connectionHot shoeHot shoeHot shoe
External flashyesyesyes
Continuous drive4.0 fps6.0 fps10.0 fps
Scene modes
  • Backlight
  • Beach
  • Candlelight
  • Children
  • Close-up
  • Dawn
  • Dusk
  • Food
  • Landscape
  • Night landscape
  • Night portrait
  • Party
  • Pet
  • Portrait
  • Snow
  • Sports
  • Sunset
  • Portrait
  • Landscape
  • Panorama
  • Portrait
  • Sunset
  • Landscape
Self-timeryesyesyes
Metering modes
  • Multi
  • Center-weighted
  • Spot
  • Multi
  • Center-weighted
  • Average
  • Spot
  • Multi
  • Center-weighted
  • Spot
Manual settingsyesyesyes
Self-timer options
  • 2
  • 5
  • 10
  • 20
  • 2
  • 10
  • 2
  • 10
Speed (JPEG)4.0 fps6.0 fps10.0 fps
Speed (RAW)4.0 fps6.0 fps10.0 fps
Exposure bracketing0.3 - 0.5±EV0.3 - 3.0±EV0.3 - 0.7±EV
Flash metering system
N/A
i-TTL
N/A
3D support
N/A
N/A
yes

Videography features

Maximum resolution1920 x 1080 px1920 x 1080 px1920 x 1080 px
Video recordingyesyesyes
Recording resolutions
  • 640 x 424
  • 1280 x 720
  • 1920 x 1080
  • 1280 x 720
  • 1920 x 1080
  • 640 x 480
  • 1440 x 1080
  • 1920 x 1080
HD typeFull HDFull HDFull HD
Supported video file formats
  • H.264
  • MOV
  • MPEG-4
  • H.264
  • MPEG-4
  • AVCHD
  • H.264
  • MPEG-4
Analog signal format systemNTSC
N/A
N/A
Camera playback
  • Highlights
  • Movie
  • Single image
  • Slide show
  • Thumbnails
  • Movie
  • Single image
  • Slide show
  • Thumbnails
  • Movie
  • Single image
Max resolution (highest frame rate)1920 x 10801920 x 10801920 x 1080
Max frame rate (highest resolution)30.0 fps30.0 fps50.0 fps
Max frame rate (regardless of res.)30.0 fps60.0 fps50.0 fps
Motion JPEG frame rate30.0 fps60.0 fps25.0 fps

Audio features

Built-in microphoneyesyesyes
Microphone typeMonoStereoStereo
Voice recordingyesyesyes
Audio systemStereoStereo
N/A
Supported audio file formatsLPCMPCMAAC
Noise reductionyesyes
N/A
Speaker type
N/A
Mono
N/A

Design

Body typeSLRSLRCompact
Body materialPlasticAluminum-magnesiumPlastic
Colour of productBlackBlackBlack
Anti-dust systemyesyesyes
Environmentally sealednoyesno

Dimensions

Weight17.99 oz23.81 oz21.13 oz
Width5.0 in5.33 in5.39 in
Height3.8 in4.19 in4.09 in
Depth3.1 in2.99 in3.31 in

Storage

Internal storage4098.0 mB
N/A
N/A
Compatible memory cards
  • SD
  • SDHC
  • SDXC
  • SD
  • SDHC
  • SDXC
  • MS Pro Duo
  • MS Pro-HG
  • SD
  • SDHC
  • SDXC
Dual memory card slotsyesyesyes
Memory slots122
Storage types
  • 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
  • DPOF 1.1
  • Exif 2.3
DPOF 1.1
Maximum memory card size
N/A
8.0 GB
N/A

Power

Power source typeBatteryBatteryBattery
Battery life (CIPA)660950480
Battery technology
Lithium-Ion
Lithium-Ion
Lithium-Ion
Battery level indicatoryesyes
N/A
Number of batteries supported111
AC adapter includedyesyesyes
Battery capacity
N/A
N/A
1080.0 mAh

Connectivity

HDMIyesnoyes
HDMI ports quantity111
HDMI connector typeMiniMini
N/A
USB version2.02.02.0
Microphone portyesyes
N/A
WirelessEye-Fi ConnectedOptionalEye-Fi Connected
DC-in jackyesyesyes
Remote controlyesyesyes
PictBridgeyesyesno
NFCnonono
Wireless network (Wi-Fi)yesyesno
Bluetoothnonono
Firewirenonono
USB connector type
N/A
Mini-USB B
N/A

Other features

Timelapse recordingyesyes
N/A
GPSnoyesyes
Orientation sensoryesyesyes
Calendaryesyesyes
Energy Star certifiednonono
Frameyes
N/A
N/A
Languages supportMultiMulti
N/A
Tripod mounting supportedyesyes
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
  • ARA
  • CHI
  • CHI
  • DAN
  • DEU
  • DUT
  • ENG
  • ESP
  • FIN
  • FRE
  • GRE
  • HUN
  • ITA
  • JPN
  • KOR
  • NOR
  • POL
  • POR
  • RUM
  • RUS
  • SWE
  • THA
  • TUR
  • UKR
  • 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
  • Trimming
N/A
Date imprinting
N/A
N/A
yes

Often compared with Nikon D5100

Often compared with Nikon D7100