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Sigma DP2 vs Sony A77

Portability
86
Imaging
44
Features
28
Overall
37
Sigma DP2 front
 
Sony SLT-A77 front
Portability
59
Imaging
63
Features
83
Overall
71

Sigma DP2 vs Sony A77 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
  • Revealed September 2009
  • Replacement is Sigma DP2s
Sony A77
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 50 - 16000 (Push to 25600)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 732g - 143 x 104 x 81mm
  • Introduced October 2011
  • Superseded the Sony A700
  • Refreshed by Sony A77 II
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Sigma DP2 vs Sony A77 Overview

Here, we will be comparing the Sigma DP2 versus Sony A77, former is a Large Sensor Compact while the latter is a Advanced DSLR by brands Sigma and Sony. There is a considerable difference among the sensor resolutions of the DP2 (5MP) and A77 (24MP) but both cameras provide the identical sensor sizes (APS-C).

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The DP2 was revealed 3 years prior to the A77 which is a fairly large difference 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 A77 being a Mid-size SLR camera.

Before going right into a in-depth comparison, here is a simple highlight of how the DP2 grades versus the A77 with regard to portability, imaging, features and an overall mark.

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Reasons to pick Sigma DP2 over the Sony A77

 DP2 A77 

Reasons to pick Sony A77 over the Sigma DP2

 A77 DP2 
IntroducedOctober 2011September 2009Newer by 25 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen size3"2.5"Bigger screen (+0.5")
Screen resolution921k230kCrisper screen (+691k dot)
Selfie screen Take selfies

Common features in the Sigma DP2 and Sony A77

 DP2 A77 
Focus manually Dial accurate focus
Touch friendly screen Lacking Touch friendly screen

Sigma DP2 vs Sony A77 Physical Comparison

For anyone who is going to travel with your camera frequently, you need to consider its weight and measurements. The Sigma DP2 has got outer dimensions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") having a weight of 280 grams (0.62 lbs) and the Sony A77 has proportions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") accompanied by a weight of 732 grams (1.61 lbs).

Compare the Sigma DP2 versus Sony A77 in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will change dependant on the lens you use at that moment. Here is a front view dimension comparison of the DP2 versus the A77.

Sigma DP2 vs Sony A77 size comparison

Taking into account size and weight, the portability score of the DP2 and A77 is 86 and 59 respectively.

Sigma DP2 vs Sony A77 top view buttons comparison

Sigma DP2 vs Sony A77 Sensor Comparison

Generally, its hard to picture the gap in sensor dimensions merely by seeing specs. The pic underneath will help give you a better sense of the sensor dimensions in the DP2 and A77.

All in all, both of the cameras come with the identical sensor size albeit different MP. You can expect the Sony A77 to show more detail because of its extra 19MP. Higher resolution can also allow you to crop photographs a good deal more aggressively. The more aged DP2 will be behind in sensor tech.

Sigma DP2 vs Sony A77 sensor size comparison

Sigma DP2 vs Sony A77 Screen and ViewFinder

Sigma DP2 vs Sony A77 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma DP2 Portrait photography highlights
Sony A77 Portrait photography highlights
56
you can focus manually
good sensor size (APS-C)
exports RAW formats
megapixel count low (5 megapixels)
77
focusing manually
good resolution (24MP)
sensor size is good (APS-C)
offers face detection focus
saves RAW formats
Photography Glossary

Street Comparison

Sigma DP2 Street photography info
Sony A77 Street photography info
67
good sensor size (APS-C)
exports RAW formats
lighter than competition (280 grams)
screen is fixed
no image stabilization
74
screen articulates
built in image stabilization (Sensor based)
sensor size is good (APS-C)
saves RAW formats
environment sealing
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Sports Comparison

Sigma DP2 Sports photography factors
Sony A77 Sports photography factors
30
good sensor size (APS-C)
fixed focal length (41mm)
very slow continuous shooting (3.0 fps)
no image stabilization
megapixel count low (5MP)
has no phase detect auto focus
74
max shutter speed is good (1/8,000s)
built in image stabilization (Sensor based)
good resolution (24MP)
sensor size is good (APS-C)
environment sealing
has phase detect auto focus
not so great battery (470 per charge)
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Travel Comparison

Sigma DP2 Travel photography features
Sony A77 Travel photography features
67
lighter than competition (280 grams)
built-in flash
good max aperture (f)
megapixel count low (5MP)
display is not selfie friendly
62
environment sealing
good resolution (24MP)
has built in flash
screen is selfie friendly
missing Time Lapse recording
not so great battery (470 shots)
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Landscape Comparison

Landscape photography with Sigma DP2
Landscape photography with Sony A77
48
you can focus manually
good max aperture (f)
good sensor size (APS-C)
exports RAW formats
fixed lens (fixed lens mount)
fixed focal length (41mm)
small screen (2.5 inches)
no image stabilization
megapixel count low (5MP)
71
focusing manually
interchangeable lenses (Sony/Minolta Alpha mount)
pretty good screen size (3 inches)
built in image stabilization (Sensor based)
good resolution (24 megapixels)
sensor size is good (APS-C)
saves RAW formats
environment sealing
not so great battery (470 per charge)
missing Time Lapse recording
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Vlogging Comparison

Vlogging with Sigma DP2
Vlogging with Sony A77
28
good max aperture (f)
lighter than competition (280g)
display is not selfie friendly
no image stabilization
low res video (320 x 240 pxls)
lack of external mic jack
76
screen is selfie friendly
built in image stabilization (Sensor based)
offers face detection focus
great video quality (1920 x 1080 pxls)
has external mic support
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Sigma DP2 vs Sony A77 Specifications

Detailed spec comparison table for Sigma DP2 and Sony A77
 Sigma DP2Sony SLT-A77
General Information
Brand Name Sigma Sony
Model type Sigma DP2 Sony SLT-A77
Type Large Sensor Compact Advanced DSLR
Revealed 2009-09-21 2011-10-25
Physical type Large Sensor Compact Mid-size SLR
Sensor Information
Powered by - Bionz
Sensor type CMOS (Foveon X3) CMOS
Sensor size APS-C APS-C
Sensor dimensions 20.7 x 13.8mm 23.5 x 15.6mm
Sensor surface area 285.7mm² 366.6mm²
Sensor resolution 5 megapixels 24 megapixels
Anti alias filter
Aspect ratio 3:2 and 16:9 3:2 and 16:9
Highest resolution 2640 x 1760 6000 x 4000
Highest native ISO 3200 16000
Highest boosted ISO - 25600
Min native ISO 200 50
RAW pictures
Autofocusing
Focus manually
Touch to focus
AF continuous
AF single
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points - 19
Cross type focus points - 11
Lens
Lens support fixed lens Sony/Minolta Alpha
Lens zoom range 41mm (1x) -
Number of lenses - 143
Focal length multiplier 1.7 1.5
Screen
Display type Fixed Type Fully Articulated
Display size 2.5 inches 3 inches
Resolution of display 230k dots 921k dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 2,359k dots
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.73x
Features
Slowest shutter speed 15 seconds 30 seconds
Maximum shutter speed 1/2000 seconds 1/8000 seconds
Continuous shooting rate 3.0 frames per second 12.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash distance 4.30 m 12.00 m
Flash modes Forced Flash, Red-Eye Reduction, Slow Synchro Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
AE bracketing
WB bracketing
Maximum flash synchronize - 1/250 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 320 x 240 (30 fps) 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Highest video resolution 320x240 1920x1080
Video file format Motion JPEG MPEG-4, AVCHD, H.264
Mic support
Headphone support
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 280 gr (0.62 lbs) 732 gr (1.61 lbs)
Physical dimensions 113 x 60 x 56mm (4.4" x 2.4" x 2.2") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO All around rating not tested 78
DXO Color Depth rating not tested 24.0
DXO Dynamic range rating not tested 13.2
DXO Low light rating not tested 801
Other
Battery life - 470 photographs
Battery style - Battery Pack
Battery ID - NP-FM500H
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC/MMC card SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots 1 1
Retail pricing $649 $900