Nikon D3100 vs Sony Alpha A58

(108)
(146)
Nikon D3100
Sony Alpha A58

Top Prices

Best Buy
In stock
Unique Photo
Out of stock
Crutchfield
Delivery unknown
In stock

Reasons For

12 Reasons For
12m flash guides Edit
The Nikon D3100 is a 12m flash guide digital camera, whereas the Sony Alpha A58 only has 10m flash guides.
0.3" larger screen size Edit
The Nikon D3100 has a screen size 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 455gg digital camera. That's 37g lighter than the Sony Alpha A58 (492gg). 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.

4.04mm thinner Edit
The Nikon D3100 has a depth of 73.66mmmm, however the Sony Alpha A58 is a 77.7mmmm deep digital camera (4.04mm thicker).
Marginally narrower Edit
The Nikon D3100 has a width of 124.46mmmm, however the Sony Alpha A58 is a 128.6mmmm wide digital camera (4.14mm wider).
Lighter lens weight Edit
The Nikon D3100 is a 265gg lens weight digital camera. That's 133g lighter than the Sony Alpha A58 (398gg).
7mm shorter lens length Edit
The Nikon D3100 has a lens length of 79mmmm, however the Sony Alpha A58 is an 86mmmm lens length digital camera (7mm longer).
5% smaller lens diameter Edit
The Nikon D3100 is a 73mmmm lens diameter digital camera. That's 3mm smaller than the Sony Alpha A58 (76mmmm).
$277 cheaper
The Nikon D3100 costs $322.95, whereas the Sony Alpha A58 is $599.99.
Available from 6 shops
The more stores stock this digital camera, the greater competition amongst stores to keep prices low.
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).
8 Reasons For
Higher megapixel count Edit
The Sony Alpha A58 is a 20.1MPMP digital camera. That's 5.9MP higher than the Nikon D3100 (20.1MPMP). 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 megapixel count Edit
The Sony Alpha A58 is a 20.4MPMP digital camera. That's 5.6MP more than the Nikon D3100 (20.4MPMP).
Smaller minimum aperture Edit
The Sony Alpha A58 has a minimum aperture of 3.5, but the Nikon D3100 is a 4 minimum aperture digital camera (0.5 larger).
15 auto focus points Edit
The Sony Alpha A58 has 15 auto focus points, however the Nikon D3100 only has 11 auto focus points.
Higher display resolution Edit
The Sony Alpha A58 is a 460,800 pixels pixels display resolution digital camera. That's 230 pixels higher than the Nikon D3100 (460,800 pixels pixels).
2% shorter Edit
The Sony Alpha A58 is a 95.5mmmm tall digital camera. That's 1.02mm shorter than the Nikon D3100 (95.5mmmm).
700 shots shots per battery charge Edit
The Sony Alpha A58 is a digital camera that takes 700 shots shots per battery charge, whereas the Nikon D3100 only takes 550 shots shots per battery charge. 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.

Better user reviews
The average user review score of the Sony Alpha A58 is 89%, but the average rating of the Nikon D3100 is 80% (based on 12 reviews).

Reasons Against

9 Reasons Against
A lot lower megapixel count Edit
The Nikon D3100 has a megapixel count of 14.2MPMP, however the Sony Alpha A58 is a 20.1MPMP 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 megapixel count Edit
The Nikon D3100 has a total megapixel count of 14.8MPMP, whereas the Sony Alpha A58 is a 20.4MPMP digital camera (5.6MP more).
Larger minimum aperture Edit
The Nikon D3100 is a 4 minimum aperture digital camera. That's 0.5 larger than the Sony Alpha A58 (3.5).
Four less auto focus points Edit
The Nikon D3100 has 11 auto focus points, however the Sony Alpha A58 only has 15 auto focus points.
230 pixels lower display resolution Edit
The Nikon D3100 has a display resolution of 230,000 pixels pixels, whereas the Sony Alpha A58 is a 460,800 pixels pixels display resolution digital camera (230 pixels higher).
1.02mm taller Edit
The Nikon D3100 is a 96.52mmmm tall digital camera, whereas the Sony Alpha A58 is a 95.5mmmm tall digital camera (1.02mm shorter).
One hundred and fifty less shots per battery charge Edit
The Nikon D3100 is a digital camera that takes 550 shots shots per battery charge, whereas the Sony Alpha A58 only takes 700 shots shots per battery charge. 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.

Eleven months older
The Nikon D3100 is older than the Sony Alpha A58 by eleven months.
Lower user review Score
The Nikon D3100 has an average user rating of 80%, but the Sony Alpha A58 has an average user rating of 89% (based on 80 reviews).
12 Reasons Against
Two less flash guides Edit
The Sony Alpha A58 is a 10m flash guide digital camera, whereas the Nikon D3100 only has 12m flash guides.
12% smaller screen size Edit
The Sony Alpha A58 has a screen size 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 492gg, whereas the Nikon D3100 is a 455gg 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.

6% thicker Edit
The Sony Alpha A58 has a depth of 77.7mmmm. That's 4.04mm thicker than the Nikon D3100 (77.7mmmm).
Wider Edit
The Sony Alpha A58 has a width of 128.6mmmm. That's 4.14mm wider than the Nikon D3100 (128.6mmmm).
133g heavier lens weight Edit
The Sony Alpha A58 has a lens weight of 398gg, whereas the Nikon D3100 is a 265gg lens weight digital camera (133g lighter).
9% longer lens length Edit
The Sony Alpha A58 is an 86mmmm lens length digital camera. That's 7mm longer than the Nikon D3100 (86mmmm).
Marginally bigger lens diameter Edit
The Sony Alpha A58 has a lens diameter of 76mmmm, but the Nikon D3100 is a 73mmmm lens diameter digital camera (3mm smaller).
More expensive by $277
The Sony Alpha A58 is $277.04 more expensive than the Nikon D3100.
Not as many stockists
The Sony Alpha A58 is only stocked by 3 shops, however the Nikon D3100 is stocked by 9 sellers. Read more
Fewer numbers of shops reduces the chances of the product remaining in stock and also reduces the price competition amongst retailers for this digital camera.
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

51 months Ago 40 months Ago

Picture Quality

Camera Type
 SLR
 SLR
Megapixel Count
14.2MP 20.1MP
BEST
Sensor Type
 CMOS
 CMOS
Still Image Resolution
 4608 x 3072
 3456 x 2304
 2304 x 1536
 2736 x 1824
BEST
 4608 x 3072
 3456 x 2304
 2304 x 1536
 2736 x 1824
Maximum Image Resolution
 5456 x 3632
 5456 x 3632
BEST
Aspect Ratio
 4:3
BEST
 4:3
Image Format
 RAW
 JPEG XR
 JPG
 EXIF
 RAW
 JPEG XR
 JPG
 EXIF
Full-Frame Sensor Size
23.1 x 15.4 23.2 x 15.4
Total Megapixel Count
14.8MP 20.4MP
BEST
Image Stabilizer
 Lens
 Lens
Sensor Format
 DX
 DX
Aspect Ratio
 4:3
 16:9
 3:2
 4:3
 16:9
 3:2
Image Sensor Size
 1
BEST
 1

Design

Colour
 Black
 Black
Protection Feature
 Dust resistant
 Dust resistant

Lens System

Optical Zoom
3.6x Unknown - Click to provide data
Digital Zoom
Unknown - Click to provide data
Maximum Aperture
5.6 5.6
Minimum Aperture
4 3.5
BEST
Maximum Focal Length
82.5mm 82.5mm
Minimum Focal Length
27mm 27mm
Focal Length Range
18 - 200 18 - 55
Lens
 Standard
 Standard
Lens Structure
15/11 14/11
Lens Mount Interface
 Nikon F
 Sony A
 Nikon F
 Sony A
Aspheric Element
1 Unknown - Click to provide data
Diaphragm Blades
7 7
Filter Size
52mm 62mm
Lens Mount
 Bayonet
 Bayonet

Focusing

Auto Focus
 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
Closest Focusing Distance
0.45m 0.45m
Auto Focus Point
11 15
BEST
Focus Points Selection
 Auto
 Manual
 Auto
 Manual
Focus
 Auto
 Manual
 Auto/Manual
 Auto
 Manual
 Auto/Manual
Focus Mode
 TTL
 TTL

Light Exposure

Light Exposure Mode
 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 Speed
 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
Maximum ISO Speed
3,200
BEST
16,000
Minimum ISO Speed
100 100
Light Metering Mode
 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

Maximum Camera Shutter Speed
30s 30s
Minimum Camera Shutter Speed
1s 1s
Shutter Speed Setting
 B
 B
Camera Shutter
 Electronic
 Electronic

Flash

Flash Mode
 Red-eye reduction
 Slow synchronization
 Fill-in
 Auto
 Red-eye reduction
 Slow synchronization
 Fill-in
 Auto
Flash Guide
12m
BEST
10m
Flash Sync-Speed
1s Unknown - Click to provide data
Flash Recharging Time
Unknown - Click to provide data 4s
Flash Exposure Correction
 ±3EV (1/2, 1/3, 1 EV step)
 ±3EV (1/2, 1/3, 1 EV step)
Shoe Mounting Point
 Hot
 Hot

Video

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

Audio

Audio Format
 LPCM
 PCM
 AC3
 LPCM
 PCM
 AC3
Audio System
 Mono
 Mono

Memory

Memory Card
 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
Internal Memory
4.1GB Unknown - Click to provide data
Memory Slot
1 1

Display

Screen Size
3"
BEST
2.7"
Display
 TFT
 TFT
Field of View
95%
BEST
100%
Display Resolution
230,000 pixels 460,800 pixels
BEST

Viewfinder

Lens Magnification Ratio
0.8x
BEST
0.88x
Viewfinder
 Optical
 electrical
 Optical
 electrical
BEST

Ports & Interfaces

USB Connector Type
 Micro-USB B
 Micro-USB B
HDMI Connector
 Mini
 Mini
USB Version
 2.0
 2.0
USB Connector
 Micro-USB B
 Micro-USB
 Micro-USB B
 Micro-USB

Camera

White Balance Mode
 Auto
 Manual
 Fluorescent
 Cloudy
 Incandescent
 Shade
 Flash
 Fluorescent H
 Fluorescent L
 Daylight
 Auto
 Manual
 Fluorescent
 Cloudy
 Incandescent
 Shade
 Flash
 Fluorescent H
 Fluorescent L
 Daylight
Shooting Mode
 Auto
 Movie
 Manual
 Program
 Auto
 Movie
 Manual
 Program
Photo Effect
 Black&White
 Neutral
 Vivid
 Black&White
 Neutral
 Vivid
Self-Timer
2,10 2,10
Image Editing Mode
 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
 MPF
 DCF 2.0
 Exif 2.2
 Exif 2.21
 DCF
 DPOF
 Exif
 Exif 2.3
 RAW
 MPF
Playback Mode
 Highlights
 Movie
 Slide show
 Single image
 Highlights
 Movie
 Slide show
 Single image
Diopter Adjustment
-1.7 - 0.5 Unknown - Click to provide data
Eye Relief
18mm Unknown - Click to provide data
Scene Mode
 Children
 Close-up (macro)
 Landscape
 Portrait
 Sunset
 Children
 Close-up (macro)
 Landscape
 Portrait
 Sunset
Display Language
 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 Language
 DAN
 DUT
 CZE
 NOR
 RUS
 ENG
 FIN
 FRE
 DEU
 ITA
 JPN
 POL
 POR
 ESP
 SWE
 TUR
 KOR
 CHI (TR)
 GRE
 HUN
 DAN
 DUT
 CZE
 NOR
 RUS
 ENG
 FIN
 FRE
 DEU
 ITA
 JPN
 POL
 POR
 ESP
 SWE
 TUR
 KOR
 CHI (TR)
 GRE
 HUN

Weight & Dimensions

Weight
455g
BEST
492g
Height
96.52mm 95.5mm
BEST
Depth
73.66mm
BEST
77.7mm
Width
124.46mm
BEST
128.6mm
Lens Weight
265g
BEST
398g
Lens Length
79mm
BEST
86mm
Lens Diameter
73mm
BEST
76mm
Weight Including Battery
505g
BEST
573g

Battery

Power Source
 Battery
 Battery
Battery
 Lithium-Ion (Li-Ion)
 Lithium-Ion (Li-Ion)
Supported Battery
1 1
Battery Size
EN-EL14a Rechargeable Li-ion Battery or EN-EL14 Rechargeable Li-ion NP-FM500H
Battery Capacity
Unknown - Click to provide data 1,650mAh
Shot Per Battery Charge
550 shots 700 shots
BEST
Battery Voltage
Unknown - Click to provide data 7.2V

Operational Conditions

Operating Temperature Range
32 - 104 Unknown - Click to provide data
Relative Humidity Operating Range
0 - 85 Unknown - Click to provide data
Operating Temperature Range
0 - 40 0 - 40

Packaging Content

Included Cable
 USB
 Micro-USB
 USB
 Micro-USB

Other Features

Metering
TTL Unknown - Click to provide data
Weight
0.46kg Unknown - Click to provide data
Interface
USB Unknown - Click to provide data
Dimension
124 x 96 x 74.5 Unknown - Click to provide data
Data Compression
JPEG Unknown - Click to provide data
Operating System
Windows XP, Vista, 7,Mac OS 10.4 + Unknown - Click to provide data
Focal Length
27 - 157.5 Unknown - Click to provide data
Cable
EP-5A Unknown - Click to provide data
Aperture Range
3.5 - 5.6 Unknown - Click to provide data
Effective Sensor Resolution
14,800,000 pixels Unknown - Click to provide data
Camera Shutter Speed Range
1/4000 - 30 Unknown - Click to provide data
Lens System
F Unknown - Click to provide data
Colour Temperature
Unknown - Click to provide data 2,500K
Image Effective Megapixels
Unknown - Click to provide data 20.1MP
Frame Rate
3fps Unknown - Click to provide data

Technical Details

Image Processor
 BIONZ
 BIONZ
Audio Recording Format
 LPCM
 PCM
 LPCM
 PCM
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