Nikon D3100 vs Sony Alpha A58

(107)
(146)
Nikon D3100
Sony Alpha A58

Top Prices

No prices found No prices found

Reasons For

5 Reasons For
12.00 flash guide numbers Edit
The Nikon D3100 is a 12.00 flash guide number digital camera, whereas the Sony Alpha A58 only has ten flash guide numbers.
0.3" larger display diagonal Edit
The Nikon D3100 has a display diagonal of 3", however the Sony Alpha A58 is only a 2.7" screen digital camera (0.3" smaller). Read more

The display diagonal is the size the size of the screen integrated in to the back of the camera. A larger display diagonal makes it easier to see if a shot has turned out as intended. Pocket cameras have smaller display diagonals as full size digital SLRs.

A larger display diagonal makes it easier to take photos and to see if a shot has turned out as intended.

Lighter Edit
The Nikon D3100 is a 455g digital camera. That's 37g lighter than the Sony Alpha A58 (492g). Read more

The camera's weight will depend on the type and size of camera. Compact cameras are usually the lightest while digital SLRs will be heavier. Also consider the number and weight of lenses to take when using a SLR.

The lower the camera weight, the easier it will be to carry around and it will also reduce your hand luggage weight when flying.

Twelve more awards
The Nikon D3100 has 16 awards, however the Sony Alpha A58 has 4 awards.
Expert reviews are moderately better
The Nikon D3100 has an average expert review score of 82%, but the Sony Alpha A58 has an average rating of 80% (based on 66 reviews).
11 Reasons For
Higher megapixel Edit
The Sony Alpha A58 is a 20.1MP digital camera. That's 5.9MP higher than the Nikon D3100 (20.1MP). Read more

The resolution of the images a digital camera produces is measured in megapixels (MP). One megapixel is equal to 1 million pixels and is a result of the pixel width multiplied by the pixel height of the image. While a higher image resolution generally results in sharper images, only a relatively low megapixel count is required when printing the image at a small size or to display it on a computer screen.

A sensor with more megapixels will be able to capture more detailed photos and the image will appear sharper. Images with more megapixels can also be printed at a larger size.

More total megapixels Edit
The Sony Alpha A58 is a 20.4MP digital camera. That's 5.6MP more than the Nikon D3100 (20.4MP).
Smaller maximum aperture number Edit
The Sony Alpha A58 has a maximum aperture number of 36. That's 30.4 smaller than the Nikon D3100 (36).
A lot smaller minimum aperture number Edit
Sony Alpha A58 is 2.8 minimum aperture, but the Nikon D3100 is a 4 minimum aperture digital camera (1.2 larger).
15.00 auto Focus (AF) pointss Edit
The Sony Alpha A58 has 15.00 auto Focus (AF) pointss, however the Nikon D3100 only has 11.00 auto Focus (AF) pointss.
Higher ISO sensitivity (max) Edit
Sony Alpha A58 is 16,000 maximum ISO speed. That's 12,800 higher than the Nikon D3100 (16,000).
5% wider field of view Edit
The Sony Alpha A58 is a 100% field of view digital camera. That's 5% wider than the Nikon D3100 (100%).
Higher display resolution (numeric) Edit
The Sony Alpha A58 is a 460,800 pixels display resolution digital camera. That's 230,800 pixels higher than the Nikon D3100 (460,800 pixels).
10% higher magnification Edit
Sony Alpha A58 is 0.88x lens magnification ratio. That's 0.08x higher than the Nikon D3100 (0.88x). Read more

The lens magnification ratio is the ratio between the true size of the object being photographed and the size of the object when projected on to the camera's sensor.

A higher lens magnification ratio is important for macro photography as it allows you to focus on very small object very close to the lens.

700.00 battery life (CIPA standard)s Edit
The Sony Alpha A58 is a digital camera that takes 700.00 battery life (CIPA standard)s, whereas the Nikon D3100 only takes 550.00 battery life (CIPA standard)s. Read more

The number of shots per battery charge is the number of photos that the camera will typically take on a single charge of the battery.

More shots per battery charge means you will have to recharge the battery less frequently and reduces the need to carry a second back up battery.

Considerably better user reviews
The average user review score of the Sony Alpha A58 is 89%, but the average rating of the Nikon D3100 is 78% (based on 11 reviews).

Reasons Against

12 Reasons Against
A lot lower megapixel Edit
The Nikon D3100 has a megapixel of 14.2MP, however the Sony Alpha A58 is a 20.1MP digital camera (5.9MP higher). Read more

The resolution of the images a digital camera produces is measured in megapixels (MP). One megapixel is equal to 1 million pixels and is a result of the pixel width multiplied by the pixel height of the image. While a higher image resolution generally results in sharper images, only a relatively low megapixel count is required when printing the image at a small size or to display it on a computer screen.

A sensor with more megapixels will be able to capture more detailed photos and the image will appear sharper. Images with more megapixels can also be printed at a larger size.

A lot less total megapixels Edit
The Nikon D3100 has a total megapixels of 14.8MP, whereas the Sony Alpha A58 is a 20.4MP digital camera (5.6MP more).
6x bigger maximum aperture number Edit
The Nikon D3100 has a maximum aperture number of 5.6, however the Sony Alpha A58 is a 36 maximum aperture digital camera (30.4 smaller).
31% larger minimum aperture number Edit
Nikon D3100 is 4 minimum aperture. That's 1.2 larger than the Sony Alpha A58 (2.8).
Four less auto Focus (AF) pointss Edit
The Nikon D3100 has 11.00 auto Focus (AF) pointss, however the Sony Alpha A58 only has 15.00 auto Focus (AF) pointss.
Lower ISO sensitivity (max) Edit
Nikon D3100 is only 3,200 maximum ISO speed, but the Sony Alpha A58 is a 16,000 maximum ISO speed digital camera (12,800 higher).
5% narrower field of view Edit
The Nikon D3100 has a field of view of 95%, whereas the Sony Alpha A58 is a 100% field of view digital camera (5% wider).
2x lower display resolution (numeric) Edit
The Nikon D3100 is a 230,000 pixels display resolution digital camera, whereas the Sony Alpha A58 is a 460,800 pixels display resolution digital camera (230,800 pixels higher).
0.08x lower magnification Edit
Nikon D3100 is only 0.8x lens magnification ratio, but the Sony Alpha A58 is a 0.88x lens magnification ratio digital camera (0.08x higher). Read more

The lens magnification ratio is the ratio between the true size of the object being photographed and the size of the object when projected on to the camera's sensor.

A higher lens magnification ratio is important for macro photography as it allows you to focus on very small object very close to the lens.

One hundred and fifty less battery life (CIPA standard)s Edit
The Nikon D3100 is a digital camera that takes 550.00 battery life (CIPA standard)s, whereas the Sony Alpha A58 only takes 700.00 battery life (CIPA standard)s. Read more

The number of shots per battery charge is the number of photos that the camera will typically take on a single charge of the battery.

More shots per battery charge means you will have to recharge the battery less frequently and reduces the need to carry a second back up battery.

Four months older
The Nikon D3100 is older than the Sony Alpha A58 by four months.
A lot Lower user review Score
The Nikon D3100 only has an average user rating of 78%, but the Sony Alpha A58 has an average user rating of 89% (based on 80 reviews).
5 Reasons Against
Two less flash guide numbers Edit
The Sony Alpha A58 is a ten flash guide number digital camera, whereas the Nikon D3100 only has 12.00 flash guide numbers.
12% smaller display diagonal Edit
The Sony Alpha A58 has a display diagonal of 2.7". That's 0.3" smaller than the Nikon D3100 (2.7"). Read more

The display diagonal is the size the size of the screen integrated in to the back of the camera. A larger display diagonal makes it easier to see if a shot has turned out as intended. Pocket cameras have smaller display diagonals as full size digital SLRs.

A larger display diagonal makes it easier to take photos and to see if a shot has turned out as intended.

37g heavier Edit
The Sony Alpha A58 has a weight of 492g, whereas the Nikon D3100 is a 455g digital camera (37g lighter). Read more

The camera's weight will depend on the type and size of camera. Compact cameras are usually the lightest while digital SLRs will be heavier. Also consider the number and weight of lenses to take when using a SLR.

The lower the camera weight, the easier it will be to carry around and it will also reduce your hand luggage weight when flying.

Twelve less awards
The Sony Alpha A58 has only received 4 awards, however the Nikon D3100 has received 16 awards.
Expert review Rating is moderately Worse
The Sony Alpha A58 has an average expert score of 80%, but the Nikon D3100 has an average expert rating of 82% (based on 96 reviews).

Awards

16 Awards
alphr.com: Recommended (A List)
Camera Labs: Highly Recommended
CNET.com.au: Editor's Choice
DP Review: Silver
Ephotozine: Highly Recommended
Expert Reviews: Best Buy
M3.idg.se: Recommended
macworld.co.uk: Editor's Choice
pcactual.com: Recommended
pcauthority.com.au: A-List
PhotographyBlog.com: Highly Recommended
photoreview.com.au: Editor's Choice
Pocket Lint: Hot Product
prylportalen.se: Recommended
Trusted Reviews: Recommended
What Digital Camera: Recommended
4 Awards
Ephotozine: Highly Recommended
Imaging Resource.com: Dave's Pick
PhotographyBlog.com: Highly Recommended
reviewed.com: Best of Year

Average Expert Rating

Average User Rating

Date Released

26 months Ago 22 months Ago

Picture Quality

Camera Type
 SLR
 SLR
Megapixel
14.2MP 20.1MP
BEST
Image Stabilizer
 Image stabilizer
 Image stabilizer
Sensor Type
 CMOS
 CMOS
Still Image Resolution(s)
 4608 x 3072
 3456 x 2304
 2304 x 1536
 5456 x 3632
 3872 x 2176
 2736 x 1824
 4608 x 3072
 3456 x 2304
 2304 x 1536
 5456 x 3632
 3872 x 2176
 2736 x 1824
BEST
Maximum Image Resolution
 5456 x 3632
 5456 x 3632
BEST
Image Formats Supported
 RAW
 JPEG XR
 JPG
 EXIF
 RAW
 JPEG XR
 JPG
 EXIF
Image Sensor Size (W X H)
23.1 x 15.4 23.2 x 15.4
Total Megapixels
14.8MP 20.4MP
BEST
Sensor Format
 DX
 DX
Supported Aspect Ratios
 16:9
 3:2
 16:9
 3:2
BEST

Design

Colour of Product
 Black
 Black

Lens System

Optical Zoom
3.6x Unknown - Click to provide data
Maximum Aperture Number
5.6 36
BEST
Minimum Aperture Number
4 2.8
BEST
Maximum Focal Length (35mm Film Equiv)
Unknown - Click to provide data 82.5mm
Minimum Focal Length (35mm Film Equiv)
Unknown - Click to provide data 27mm
Focal Length Range (f-F)
18 - 200 18 - 55
Lens Type
 Standard
 Standard
Lens Structure (elements/groups)
15/11 8/7
Lens Mount Interface
 Nikon F
 Sony A
 Nikon F
 Sony A
Number of Diaphragm Blades
Unknown - Click to provide data 7
Filter Size
52mm 55mm
Mounting Type
 Bayonet
 Bayonet

Focusing

Auto Focusing (AF) Modes
 single
 continuous
 spot
 servo
 tracking
 Single Auto Focus
 Continuous Auto Focus
 Spot Auto Focus
 Face detection
 Servo Auto Focus
 Tracking Auto Focus
 single
 continuous
 spot
 servo
 tracking
 Single Auto Focus
 Continuous Auto Focus
 Spot Auto Focus
 Face detection
 Servo Auto Focus
 Tracking Auto Focus
Auto Focus (AF) Lock
 Auto Focus (AF) lock
 Auto Focus (AF) lock
Auto Focus (AF) Assist Beam
 Auto Focus (AF) assist beam
Unknown - Click to provide data
Closest Focusing Distance
Unknown - Click to provide data 0.45m
Auto Focus (AF) Points
11 15
BEST
Auto Focus (AF) Points Selection
 Auto
 Manual
 Auto
 Manual
Focus Adjustment
 Auto
 Manual
 Auto/Manual
 Auto
 Manual
 Auto/Manual
Focus
 TTL
 TTL

Light Exposure

Light Exposure Modes
 shutter priority
 aperture priority
 Auto
 Manual
 Shutter priority AE
 Aperture priority AE
 shutter priority
 aperture priority
 Auto
 Manual
 Shutter priority AE
 Aperture priority AE
ISO Sensitivity
 64
 80
 100
 200
 320
 400
 640
 800
 3200
 6400
 12800
 160
 1600
 16000
 64
 80
 100
 200
 320
 400
 640
 800
 3200
 6400
 12800
 160
 1600
 16000
ISO Sensitivity (max)
3,200 16,000
BEST
ISO Sensitivity (min)
100 100
Auto Exposure (AE) Lock
 Auto Exposure (AE) lock
 Auto Exposure (AE) lock
Light Metering
 Evaluative (Multi-pattern)
 Centre-weighted
 Spot
 Evaluative (Multi-pattern)
 Centre-weighted
 Spot
Light Exposure Correction
 ±5EV (1/2; 1/3 EV step)
BEST
 ±5EV (1/2; 1/3 EV step)
Light Exposure Control
 Program AE
 Program AE

Shutter

Slowest Camera Shutter Speed
30s 30s
Fastest Camera Shutter Speed
1s 1s
Shutter Speed Settings
 B
 B
Camera Shutter Type
 Electronic
 Electronic

Flash

Flash Modes
 Red-eye reduction
 Slow synchronization
 Auto
 Fill-in
 Red-eye reduction
 Slow synchronization
 Auto
 Fill-in
Flash Guide Number
12m
BEST
10m
Flash Sync-Speed
1s Unknown - Click to provide data
External Flash Connector
Unknown - Click to provide data
 External flash connector
Flash Exposure Compensation
 Flash exposure compensation
Unknown - Click to provide data
Flash Recharging Time
Unknown - Click to provide data 4s
Flash Exposure Lock
 Flash exposure lock
Unknown - Click to provide data
Flash Exposure Correction
 ±3EV (1/2, 1/3, 1 EV step)
 ±3EV (1/2, 1/3, 1 EV step)
Shoe Mounting Point
 Shoe mounting point
Unknown - Click to provide data
Shoe Mounting Point Type
 Hot
 Hot

Video

Full HD Video
 Full HD video
 Full HD video
Maximum Video Resolution
 1920 x 1080
 1920 x 1080
Motion JPEG Frame Rate
30fps Unknown - Click to provide data
Video Formats Supported
 MOV
 MP4
 MPEG
 MPEG4
 H.264
 AVCHD
 AVC
 MOV
 MP4
 MPEG
 MPEG4
 H.264
 AVCHD
 AVC
Analog Signal Format System
 PAL
 NTSC
BEST
 PAL
 NTSC
Video Resolutions
 1920 x 1080
 1280 x 720
 640 x 424
 1440 x 1080
 1920 x 1080
 1280 x 720
 640 x 424
 1440 x 1080
Video Recording
 Video recording
 Video recording
HD Type
 Full HD
 Full HD

Audio

Built-In Microphone
 Built-in microphone
 Built-in microphone
Audio Formats Supported
 LPCM
 PCM
 AC3
 LPCM
 PCM
 AC3
Voice Recording
 Voice recording
 Voice recording
Audio System
 Mono
 Mono

Memory

Compatible Memory Cards
 SDXC
 SDHC
 SD
 MS PRO
 MS PRO Duo
 MS Pro-HG
 MSXC
 MS XC-HG Duo
 SDXC
 SDHC
 SD
 MS PRO
 MS PRO Duo
 MS Pro-HG
 MSXC
 MS XC-HG Duo
Memory Slots
1 1

Display

Display Diagonal
3"
BEST
2.7"
Display
 TFT
 TFT
Field of View
95% 100%
BEST
Display Resolution (numeric)
230,000 pixels 460,800 pixels
BEST

Viewfinder

Magnification
0.8x 0.88x
BEST
Viewfinder Type
 Optical
 Electronic
 Optical
 Electronic

Ports & Interfaces

PictBridge
 PictBridge
Unknown - Click to provide data
DC-In Jack
Unknown - Click to provide data
 DC-in jack
USB Connector Type
 Micro-USB B
 Micro-USB B
HDMI
 HDMI
 HDMI
Microphone in
 Microphone in
 Microphone in
HDMI Connector Type
 Mini
 Mini
USB Version
 2.0
 2.0
USB Connector
 Micro-USB
 Micro-USB B
 Micro-USB
 Micro-USB B

Camera

GPS (satellite)
 GPS (satellite)
Unknown - Click to provide data
White Balance
 Auto
 Manual
 Fluorescent
 Cloudy
 Incandescent
 Shade
 Flash
 Fluorescent H
 Fluorescent L
 Daylight
 Custom modes
 Auto
 Manual
 Fluorescent
 Cloudy
 Incandescent
 Shade
 Flash
 Fluorescent H
 Fluorescent L
 Daylight
 Custom modes
Shooting Modes
 Auto
 Program
 Movie
 Auto
 Program
 Movie
Photo Effects
 Black&White
 Neutral
 Vivid
 Black&White
 Neutral
 Vivid
Self-Timer Delay
2,10 2,10
Calendar
 Calendar
Unknown - Click to provide data
Histogram
 Histogram
 Histogram
Dioptre Correction
 Dioptre correction
Unknown - Click to provide data
Anti-Dust Function
 Anti-dust function
Unknown - Click to provide data
Image Editing
 Trimming
 Resizing
 Rotating
 Trimming
 Resizing
 Rotating
Camera File System
 DCF 2.0
 Exif 2.2
 Exif 2.21
 DCF
 DPOF
 Exif
 Exif 2.3
 RAW
 DCF 2.0
 Exif 2.2
 Exif 2.21
 DCF
 DPOF
 Exif
 Exif 2.3
 RAW
Live View
 Live view
 Live view
Tripod Mountable
 Tripod mountable
 Tripod mountable
Camera Playback
 Highlights
 Movie
 Slide show
 Highlights
 Movie
 Slide show
Saturation Adjustment
Unknown - Click to provide data
 Saturation adjustment
Contrast Adjustment
Unknown - Click to provide data
 Contrast adjustment
Brightness Adjustment
 Brightness adjustment
 Brightness adjustment
Diopter Adjustment (D-D)
-1.7 - 0.5 Unknown - Click to provide data
Eye Relief
18mm Unknown - Click to provide data
Scene Modes
 Children
 Close-up (macro)
 Landscape
 Portrait
 Sunset
 Children
 Close-up (macro)
 Landscape
 Portrait
 Sunset
Languages Support
 CZE
 NOR
 RUS
 ENG
 FIN
 DEU
 ITA
 JPN
 POL
 POR
 ESP
 SWE
 TUR
 KOR
 CHI (TR)
 CHI (SIMPL)
 CZE
 NOR
 RUS
 ENG
 FIN
 DEU
 ITA
 JPN
 POL
 POR
 ESP
 SWE
 TUR
 KOR
 CHI (TR)
 CHI (SIMPL)
On Screen Display (OSD) Languages
 DAN
 DUT
 GRE
 CZE
 NOR
 RUS
 FIN
 FRE
 DEU
 ITA
 POL
 POR
 ESP
 SWE
 TUR
 HUN
 DAN
 DUT
 GRE
 CZE
 NOR
 RUS
 FIN
 FRE
 DEU
 ITA
 POL
 POR
 ESP
 SWE
 TUR
 HUN

Weight & Dimensions

Weight
455g
BEST
492g
Height
96.52mm 95.5mm
Depth
73.66mm 77.7mm
Width
124.46mm 128.6mm
Lens Weight
Unknown - Click to provide data 210g
Lens Length
Unknown - Click to provide data 69mm
Lens Diameter
Unknown - Click to provide data 69.5mm
Weight (including Battery)
505g
BEST
573g

Battery

Power Source Type
 Battery
 Battery
Battery Technology
 Lithium-Ion (Li-Ion)
 Lithium-Ion (Li-Ion)
Number of Batteries Supported
1 1
Battery Type
EN-EL14a Rechargeable Li-ion Battery or EN-EL14 Rechargeable Li-ion NP-FM500H
Battery Capacity
Unknown - Click to provide data 1,600mAh
Battery Life (CIPA Standard)
550 shots 700 shots
BEST
Battery Voltage
Unknown - Click to provide data 7.2V
Battery Level Indicator
Unknown - Click to provide data
 Battery level indicator

Operational Conditions

Operating Relative Humidity (H-H)
0 - 85 Unknown - Click to provide data
Operating Temperature (T-T)
0 - 40 0 - 40

System Requirements

Mac Compatibility
 Mac compatibility
Unknown - Click to provide data

Packaging Content

AC Adapter Included
 AC adapter included
Unknown - Click to provide data
Cables Included
 USB
 USB
BEST
Carrying Case
Unknown - Click to provide data
 Carrying case

Other Features

Video Capability
 Video capability
Unknown - Click to provide data
Built-In Flash
 Built-in flash
Unknown - Click to provide data
Metering
TTL Unknown - Click to provide data
USB 2.0 Ports Quantity
 USB 2.0 ports quantity
Unknown - Click to provide data
HDMI Ports Quantity
 HDMI ports quantity
Unknown - Click to provide data
Interface
USB Unknown - Click to provide data
Dimensions (WxDxH)
124 x 96 x 74.5 Unknown - Click to provide data
Data Compression
JPEG Unknown - Click to provide data
Effective Sensor Resolution
14,800,000 pixels Unknown - Click to provide data
Camera Shutter Speed
1/4000 - 30 Unknown - Click to provide data
Lens System
F Unknown - Click to provide data
Digital SLR
 Digital SLR
Unknown - Click to provide data
Frame Rate
3fps Unknown - Click to provide data

Technical Details

Image Processor
 BIONZ
 BIONZ
Self-Timer
 Self-timer
Unknown - Click to provide data
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