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Sigma DP2s vs Sony A390

Portability
86
Imaging
44
Features
31
Overall
38
Sigma DP2s front
 
Sony Alpha DSLR-A390 front
Portability
66
Imaging
54
Features
54
Overall
54

Sigma DP2s vs Sony A390 Key Specs

Sigma DP2s
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 50 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Introduced February 2010
  • Previous Model is Sigma DP2
  • New Model is Sigma DP2x
Sony A390
(Full Review)
  • 14MP - APS-C Sensor
  • 2.7" Tilting Screen
  • ISO 100 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 549g - 128 x 97 x 86mm
  • Launched July 2010
  • Replaced the Sony A380
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Sigma DP2s vs Sony A390 Overview

The following is a extended assessment of the Sigma DP2s vs Sony A390, former is a Large Sensor Compact while the latter is a Entry-Level DSLR by companies Sigma and Sony. There exists a considerable gap among the image resolutions of the DP2s (5MP) and A390 (14MP) but they come with the exact same sensor sizing (APS-C).

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The DP2s was introduced 5 months before the A390 which means that they are of a similar age. Both of these cameras come with different body type with the Sigma DP2s being a Large Sensor Compact camera and the Sony A390 being a Compact SLR camera.

Before delving through a comprehensive comparison, below is a concise introduction of how the DP2s matches up against the A390 with regard to portability, imaging, features and an overall mark.

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Reasons to pick Sigma DP2s over the Sony A390

 DP2s A390 

Reasons to pick Sony A390 over the Sigma DP2s

 A390 DP2s 
Screen typeTiltingFixed Tilting screen
Screen dimension2.7"2.5"Bigger screen (+0.2")

Common features in the Sigma DP2s and Sony A390

 DP2s A390 
LaunchedFebruary 2010July 2010Same age
Manual focus More precise focus
Screen resolution230k230kIdentical screen resolution
Selfie screen Lacking selfie screen
Touch screen Neither contains Touch screen

Sigma DP2s vs Sony A390 Physical Comparison

If you are aiming to travel with your camera often, you need to think about its weight and size. The Sigma DP2s has got outside measurements of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") accompanied by a weight of 280 grams (0.62 lbs) and the Sony A390 has specifications of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") and a weight of 549 grams (1.21 lbs).

Analyze the Sigma DP2s vs Sony A390 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will differ dependant on the lens you are utilising at that moment. Below is the front view size comparison of the DP2s vs the A390.

Sigma DP2s vs Sony A390 size comparison

Taking into consideration dimensions and weight, the portability score of the DP2s and A390 is 86 and 66 respectively.

Sigma DP2s vs Sony A390 top view buttons comparison

Sigma DP2s vs Sony A390 Sensor Comparison

Sometimes, its difficult to envision the difference in sensor dimensions purely by seeing specifications. The pic here will help offer you a far better sense of the sensor measurements in the DP2s and A390.

To sum up, the two cameras posses the exact same sensor measurements albeit not the same MP. You can expect the Sony A390 to show more detail using its extra 9MP. Higher resolution will also enable you to crop photographs somewhat more aggressively.

Sigma DP2s vs Sony A390 sensor size comparison

Sigma DP2s vs Sony A390 Screen and ViewFinder

Sigma DP2s vs Sony A390 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Portrait photography with Sigma DP2s
Portrait photography with Sony A390
56
focusing manually
nice sensor size (APS-C)
saves RAW files
megapixel count low (5 megapixels)
72
focusing manually
good megapixels (14MP)
good sensor size (APS-C)
includes face detection focus
supports RAW files
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Street Comparison

Street photography with Sigma DP2s
Street photography with Sony A390
67
nice sensor size (APS-C)
saves RAW files
lighter than average (280 grams)
fixed screen
does not have image stabilization
76
screen tilts
has image stabilization (Sensor based)
good sensor size (APS-C)
supports RAW files
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Sports Comparison

Sigma DP2s Sports photography features
Sony A390 Sports photography features
30
nice sensor size (APS-C)
focal length is fixed (41mm)
painfully slow continuous shooting (3.0 frames/s)
does not have image stabilization
megapixel count low (5 megapixels)
doesn't have phase detect autofocus
60
has image stabilization (Sensor based)
good megapixels (14MP)
good sensor size (APS-C)
comes with phase detect auto focus
max fps very slow (3.0 fps)
not so great battery pack (230 CIPA)
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Travel Comparison

Sigma DP2s as a Travel photography camera
Sony A390 as a Travel photography camera
67
lighter than average (280 grams)
built-in flash
great max aperture (f)
megapixel count low (5MP)
display isn't selfie friendly
53
good megapixels (14 megapixels)
built-in flash
doesn't have Time Lapse function
not so great battery pack (230 shots)
does not feature selfie friendly display
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Landscape Comparison

Sigma DP2s Landscape photography information
Sony A390 Landscape photography information
48
focusing manually
great max aperture (f)
nice sensor size (APS-C)
saves RAW files
lens is fixed (fixed lens mount)
focal length is fixed (41mm)
screen is somewhat small (2.5 inches)
does not have image stabilization
megapixel count low (5 megapixels)
61
focusing manually
interchangeable lenses (Sony/Minolta Alpha mount)
has image stabilization (Sensor based)
good megapixels (14MP)
good sensor size (APS-C)
supports RAW files
small screen (2.7 inch)
not so great battery pack (230 per charge)
doesn't have Time Lapse function
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Vlogging Comparison

Sigma DP2s Vlogging info
Sony A390 Vlogging info
28
great max aperture (f)
lighter than average (280g)
display isn't selfie friendly
does not have image stabilization
low res video (320 x 240 resolution)
no external mic support
9
no video recording
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Sigma DP2s vs Sony A390 Specifications

Detailed spec comparison table for Sigma DP2s and Sony A390
 Sigma DP2sSony Alpha DSLR-A390
General Information
Brand Name Sigma Sony
Model Sigma DP2s Sony Alpha DSLR-A390
Category Large Sensor Compact Entry-Level DSLR
Introduced 2010-02-20 2010-07-28
Body design Large Sensor Compact Compact SLR
Sensor Information
Chip True II Bionz
Sensor type CMOS (Foveon X3) CCD
Sensor size APS-C APS-C
Sensor dimensions 20.7 x 13.8mm 23.5 x 15.7mm
Sensor surface area 285.7mm² 369.0mm²
Sensor resolution 5MP 14MP
Anti aliasing filter
Aspect ratio 3:2 and 16:9 3:2 and 16:9
Highest Possible resolution 2640 x 1760 4592 x 3056
Maximum native ISO 3200 3200
Min native ISO 50 100
RAW files
Autofocusing
Focus manually
AF touch
AF continuous
AF single
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points - 9
Lens
Lens mount fixed lens Sony/Minolta Alpha
Lens focal range 41mm (1x) -
Amount of lenses - 143
Focal length multiplier 1.7 1.5
Screen
Range of display Fixed Type Tilting
Display diagonal 2.5 inch 2.7 inch
Resolution of display 230k dot 230k dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type None Optical (pentamirror)
Viewfinder coverage - 95 percent
Viewfinder magnification - 0.49x
Features
Min shutter speed 15s 30s
Max shutter speed 1/2000s 1/4000s
Continuous shutter speed 3.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash range 4.30 m 10.00 m (at ISO 100)
Flash options Forced Flash, Red-Eye Reduction, Slow Synchro Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Wireless
Hot shoe
AEB
WB bracketing
Max flash sync - 1/160s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 320 x 240 -
Maximum video resolution 320x240 None
Video data format Motion JPEG -
Mic input
Headphone input
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 280 grams (0.62 lbs) 549 grams (1.21 lbs)
Dimensions 113 x 60 x 56mm (4.4" x 2.4" x 2.2") 128 x 97 x 86mm (5.0" x 3.8" x 3.4")
DXO scores
DXO Overall score not tested 66
DXO Color Depth score not tested 22.5
DXO Dynamic range score not tested 11.5
DXO Low light score not tested 607
Other
Battery life - 230 images
Battery format - Battery Pack
Battery model - NP-FH50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse recording
Storage media SD/SDHC/MMC card SD/ SDHC, Memory Stick Pro Duo
Storage slots 1 1
Retail cost $940 $500