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Sigma DP2 vs Sony A7

Portability
86
Imaging
44
Features
28
Overall
37
Sigma DP2 front
 
Sony Alpha A7 front
Portability
78
Imaging
70
Features
80
Overall
74

Sigma DP2 vs Sony A7 Key Specs

Sigma DP2
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 200 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Announced September 2009
  • Successor is Sigma DP2s
Sony A7
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 50 - 25600
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony E Mount
  • 474g - 127 x 94 x 48mm
  • Launched January 2014
  • Later Model is Sony A7 II
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Sigma DP2 vs Sony A7 Overview

Let's look more in depth at the Sigma DP2 versus Sony A7, one is a Large Sensor Compact and the other is a Pro Mirrorless by manufacturers Sigma and Sony. There is a huge difference among the image resolutions of the DP2 (5MP) and A7 (24MP) and the DP2 (APS-C) and A7 (Full frame) boast totally different sensor size.

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The DP2 was brought out 5 years earlier than the A7 which is a fairly significant gap as far as camera tech is concerned. Both of the cameras feature different body design with the Sigma DP2 being a Large Sensor Compact camera and the Sony A7 being a SLR-style mirrorless camera.

Before delving right into a in depth comparison, here is a brief summary of how the DP2 matches up versus the A7 in the way of portability, imaging, features and an overall score.

Photography Glossary
	
	

Reasons to pick Sigma DP2 over the Sony A7

 DP2 A7 

Reasons to pick Sony A7 over the Sigma DP2

 A7 DP2 
LaunchedJanuary 2014September 2009More modern by 52 months
Display typeTiltingFixed Tilting display
Display size3"2.5"Larger display (+0.5")
Display resolution1230k230kClearer display (+1000k dot)

Common features in the Sigma DP2 and Sony A7

 DP2 A7 
Focus manually Very precise focusing
Selfie screen Absent selfie screen
Touch display Absent Touch display

Sigma DP2 vs Sony A7 Physical Comparison

In case you're looking to carry around your camera frequently, you should consider its weight and volume. The Sigma DP2 has got exterior measurements of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") with a weight of 280 grams (0.62 lbs) while the Sony A7 has sizing of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") along with a weight of 474 grams (1.04 lbs).

See the Sigma DP2 versus Sony A7 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at the time. Underneath is a front view scale comparison of the DP2 vs the A7.

Sigma DP2 vs Sony A7 size comparison

Taking into consideration size and weight, the portability grade of the DP2 and A7 is 86 and 78 respectively.

Sigma DP2 vs Sony A7 top view buttons comparison

Sigma DP2 vs Sony A7 Sensor Comparison

Often, it is very difficult to see the difference in sensor sizes just by seeing technical specs. The picture here will help offer you a stronger sense of the sensor sizing in the DP2 and A7.

As you have seen, both the cameras feature different megapixel count and different sensor sizes. The DP2 due to its smaller sensor will make shooting shallow depth of field tougher and the Sony A7 will produce greater detail having its extra 19MP. Greater resolution will enable you to crop pics way more aggressively. The more aged DP2 will be disadvantaged with regard to sensor tech.

Sigma DP2 vs Sony A7 sensor size comparison

Sigma DP2 vs Sony A7 Screen and ViewFinder

Sigma DP2 vs Sony A7 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma DP2 Portrait photography highlights
Sony A7 Portrait photography highlights
56
manual focus
sensor size is decent (APS-C)
exports RAW files
low megapixels (5 megapixels)
82
you can focus manually
MP count good (24MP)
large sensor size (Full frame)
includes face detect focus
delivers RAW files
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Street Comparison

Sigma DP2 Street photography highlights
Sony A7 Street photography highlights
67
sensor size is decent (APS-C)
exports RAW files
lighter than competition in class (280 grams)
no moving screen
does not have image stabilization
79
has a tilting screen
large sensor size (Full frame)
delivers RAW files
environment proofing
lighter than competitors in class (474g)
good ISO range (25,600)
does not have image stabilization
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Sports Comparison

Sigma DP2 Sports photography details
Sony A7 Sports photography details
30
sensor size is decent (APS-C)
fixed focal length (41mm)
slow continuous shooting (3.0 fps)
does not have image stabilization
low megapixels (5MP)
doesn't have phase detect AF
66
high shutter speed (1/8,000 seconds)
MP count good (24MP)
large sensor size (Full frame)
environment proofing
sensor has phase detect auto focus
slow frames per second (5.0 frames per second)
does not have image stabilization
not so great battery life (340 CIPA)
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Travel Comparison

Sigma DP2 as a Travel photography camera
Sony A7 as a Travel photography camera
67
lighter than competition in class (280g)
built-in flash
fast maximum aperture (f)
low megapixels (5 megapixels)
display isn't selfie friendly
69
lighter than competitors in class (474 grams)
environment proofing
MP count good (24MP)
not so great battery life (340 shots)
does not contain selfie friendly display
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Landscape Comparison

Sigma DP2 as a Landscape photography camera
Sony A7 as a Landscape photography camera
48
manual focus
fast maximum aperture (f)
sensor size is decent (APS-C)
exports RAW files
cannot swap lens (fixed lens mount)
fixed focal length (41mm)
screen is small (2.5 inch)
does not have image stabilization
low megapixels (5 megapixels)
75
you can focus manually
interchangeable lenses (Sony E mount)
screen is a good size (3")
MP count good (24MP)
large sensor size (Full frame)
good ISO range (25,600)
delivers RAW files
environment proofing
does not have image stabilization
not so great battery life (340 per charge)
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Vlogging Comparison

Sigma DP2 Vlogging features
Sony A7 Vlogging features
28
fast maximum aperture (f)
lighter than competition in class (280g)
display isn't selfie friendly
does not have image stabilization
low res video (320 x 240 pxls)
missing external microphone socket
35
includes face detect focus
high quality video (1920 x 1080 resolution)
includes microphone jack
lighter than competitors in class (474 grams)
does not contain selfie friendly display
does not have image stabilization
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Sigma DP2 vs Sony A7 Specifications

Detailed spec comparison table for Sigma DP2 and Sony A7
 Sigma DP2Sony Alpha A7
General Information
Company Sigma Sony
Model Sigma DP2 Sony Alpha A7
Type Large Sensor Compact Pro Mirrorless
Announced 2009-09-21 2014-01-22
Body design Large Sensor Compact SLR-style mirrorless
Sensor Information
Processor - Bionz X
Sensor type CMOS (Foveon X3) CMOS
Sensor size APS-C Full frame
Sensor measurements 20.7 x 13.8mm 35.8 x 23.9mm
Sensor surface area 285.7mm² 855.6mm²
Sensor resolution 5MP 24MP
Anti aliasing filter
Aspect ratio 3:2 and 16:9 3:2 and 16:9
Highest Possible resolution 2640 x 1760 6000 x 4000
Maximum native ISO 3200 25600
Minimum native ISO 200 50
RAW images
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points - 117
Cross focus points - 25
Lens
Lens mounting type fixed lens Sony E
Lens focal range 41mm (1x) -
Available lenses - 121
Focal length multiplier 1.7 1
Screen
Range of display Fixed Type Tilting
Display size 2.5 inch 3 inch
Display resolution 230 thousand dot 1,230 thousand dot
Selfie friendly
Liveview
Touch function
Display tech - Xtra Fine LCD
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 2,359 thousand dot
Viewfinder coverage - 100%
Viewfinder magnification - 0.71x
Features
Minimum shutter speed 15 secs 30 secs
Fastest shutter speed 1/2000 secs 1/8000 secs
Continuous shutter speed 3.0 frames per sec 5.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Integrated flash
Flash range 4.30 m no built-in flash
Flash options Forced Flash, Red-Eye Reduction, Slow Synchro no built-in flash
Hot shoe
AEB
WB bracketing
Fastest flash sync - 1/250 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 320 x 240 (30 fps) 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution 320x240 1920x1080
Video file format Motion JPEG MPEG-4, AVCHD
Microphone input
Headphone input
Connectivity
Wireless None Built-In
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 280g (0.62 lb) 474g (1.04 lb)
Physical dimensions 113 x 60 x 56mm (4.4" x 2.4" x 2.2") 127 x 94 x 48mm (5.0" x 3.7" x 1.9")
DXO scores
DXO Overall score not tested 90
DXO Color Depth score not tested 24.8
DXO Dynamic range score not tested 14.2
DXO Low light score not tested 2248
Other
Battery life - 340 shots
Type of battery - Battery Pack
Battery model - NP-FW50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse recording With downloadable app
Type of storage SD/SDHC/MMC card SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots One One
Pricing at release $649 $798