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Sigma DP2x vs Sony A77

Portability
86
Imaging
45
Features
31
Overall
39
Sigma DP2x front
 
Sony SLT-A77 front
Portability
59
Imaging
63
Features
83
Overall
71

Sigma DP2x vs Sony A77 Key Specs

Sigma DP2x
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 3200
  • 320 x 240 video
  • 41mm (F) lens
  • 280g - 113 x 60 x 56mm
  • Launched February 2011
  • Succeeded the Sigma DP2s
Sony A77
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Screen
  • ISO 50 - 16000 (Boost to 25600)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 732g - 143 x 104 x 81mm
  • Introduced October 2011
  • Replaced the Sony A700
  • Newer Model is Sony A77 II
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Sigma DP2x vs Sony A77 Overview

Below, we will be evaluating the Sigma DP2x versus Sony A77, one being a Large Sensor Compact and the latter is a Advanced DSLR by companies Sigma and Sony. There exists a sizeable gap between the resolutions of the DP2x (5MP) and A77 (24MP) but they come with the exact same sensor measurements (APS-C).

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The DP2x was announced 8 months earlier than the A77 so they are both of a similar generation. Both of the cameras come with different body type with the Sigma DP2x being a Large Sensor Compact camera and the Sony A77 being a Mid-size SLR camera.

Before getting straight into a in-depth comparison, below is a simple summation of how the DP2x scores versus the A77 in regards to portability, imaging, features and an overall rating.

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Reasons to pick Sigma DP2x over the Sony A77

 DP2x A77 

Reasons to pick Sony A77 over the Sigma DP2x

 A77 DP2x 
IntroducedOctober 2011February 2011Fresher by 8 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen dimension3"2.5"Bigger screen (+0.5")
Screen resolution921k230kCrisper screen (+691k dot)
Selfie screen Easy selfies

Common features in the Sigma DP2x and Sony A77

 DP2x A77 
Manual focus Very precise focus
Touch screen Lacking Touch screen

Sigma DP2x vs Sony A77 Physical Comparison

If you're aiming to carry your camera, you are going to need to take into account its weight and proportions. The Sigma DP2x provides outer measurements 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 measurements of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") and a weight of 732 grams (1.61 lbs).

See the Sigma DP2x versus Sony A77 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 change based on the lens you are utilising at that time. The following is the front view sizing comparison of the DP2x compared to the A77.

Sigma DP2x vs Sony A77 size comparison

Looking at dimensions and weight, the portability rating of the DP2x and A77 is 86 and 59 respectively.

Sigma DP2x vs Sony A77 top view buttons comparison

Sigma DP2x vs Sony A77 Sensor Comparison

Normally, it is difficult to imagine the difference between sensor sizing just by going over specifications. The graphic here may give you a greater sense of the sensor sizing in the DP2x and A77.

To sum up, each of these cameras have got the exact same sensor measurements albeit different megapixels. You should count on the Sony A77 to offer more detail with its extra 19 Megapixels. Higher resolution will allow you to crop shots much more aggressively. The older DP2x is going to be disadvantaged when it comes to sensor technology.

Sigma DP2x vs Sony A77 sensor size comparison

Sigma DP2x vs Sony A77 Screen and ViewFinder

Sigma DP2x vs Sony A77 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma DP2x Portrait photography info
Sony A77 Portrait photography info
57
focusing manually
nice sensor size (APS-C)
delivers RAW formats
low MP (5MP)
77
focusing manually
decent sensor resolution (24MP)
nice sensor size (APS-C)
features face detection autofocus
saves RAW formats
Photography Glossary

Street Comparison

Sigma DP2x as a Street photography camera
Sony A77 as a Street photography camera
68
nice sensor size (APS-C)
delivers RAW formats
lighter than average (280g)
screen is fixed
lack of image stabilization
74
screen articulates
has image stabilization (Sensor based)
nice sensor size (APS-C)
saves RAW formats
weather proof
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Sports Comparison

Sigma DP2x Sports photography features
Sony A77 Sports photography features
30
nice sensor size (APS-C)
fixed focal length (41mm)
continuous shooting slow (3.0 fps)
lack of image stabilization
low MP (5MP)
does not have phase detect AF
74
high shutter speed (1/8,000 seconds)
has image stabilization (Sensor based)
decent sensor resolution (24MP)
nice sensor size (APS-C)
weather proof
comes with phase detect autofocus
low battery (470 per charge)
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Travel Comparison

Sigma DP2x Travel photography details
Sony A77 Travel photography details
67
lighter than average (280 grams)
built-in flash
very good max aperture (f)
low MP (5MP)
display is not selfie friendly
62
weather proof
decent sensor resolution (24MP)
flash built-in
display is selfie friendly
missing Timelapse function
low battery (470 per charge)
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Landscape Comparison

Landscape photography with Sigma DP2x
Landscape photography with Sony A77
48
focusing manually
very good max aperture (f)
nice sensor size (APS-C)
delivers RAW formats
fixed lens (fixed lens mount)
fixed focal length (41mm)
small screen (2.5 inches)
lack of image stabilization
low MP (5MP)
71
focusing manually
swap lenses (Sony/Minolta Alpha mount)
nice screen size (3 inch)
has image stabilization (Sensor based)
decent sensor resolution (24 megapixels)
nice sensor size (APS-C)
saves RAW formats
weather proof
low battery (470 shots)
missing Timelapse function
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Vlogging Comparison

Vlogging with Sigma DP2x
Vlogging with Sony A77
28
very good max aperture (f)
lighter than average (280g)
display is not selfie friendly
lack of image stabilization
video res low (320 x 240 resolution)
lack of mic port
76
display is selfie friendly
has image stabilization (Sensor based)
features face detection autofocus
high res video (1920 x 1080 resolution)
does have external microphone port
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Sigma DP2x vs Sony A77 Specifications

Detailed spec comparison table for Sigma DP2x and Sony A77
 Sigma DP2xSony SLT-A77
General Information
Brand Sigma Sony
Model type Sigma DP2x Sony SLT-A77
Class Large Sensor Compact Advanced DSLR
Launched 2011-02-08 2011-10-25
Body design Large Sensor Compact Mid-size SLR
Sensor Information
Chip True II Bionz
Sensor type CMOS (Foveon X3) CMOS
Sensor size APS-C APS-C
Sensor measurements 20.7 x 13.8mm 23.5 x 15.6mm
Sensor area 285.7mm² 366.6mm²
Sensor resolution 5 megapixel 24 megapixel
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
Minimum native ISO 100 50
RAW images
Autofocusing
Manual focusing
Touch focus
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points - 19
Cross type focus points - 11
Lens
Lens support fixed lens Sony/Minolta Alpha
Lens zoom range 41mm (1x) -
Amount of lenses - 143
Crop factor 1.7 1.5
Screen
Range of screen Fixed Type Fully Articulated
Screen sizing 2.5" 3"
Resolution of screen 230 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder None Electronic
Viewfinder resolution - 2,359 thousand dot
Viewfinder coverage - 100%
Viewfinder magnification - 0.73x
Features
Slowest shutter speed 15s 30s
Maximum shutter speed 1/2000s 1/8000s
Continuous shooting speed 3.0fps 12.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash distance 4.30 m 12.00 m
Flash settings Forced Flash, Red-Eye Reduction, Slow Synchro Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
Auto exposure bracketing
White balance bracketing
Maximum flash sync - 1/250s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 320 x 240 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Highest video resolution 320x240 1920x1080
Video data format Motion JPEG MPEG-4, AVCHD, H.264
Microphone jack
Headphone jack
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
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 280g (0.62 lb) 732g (1.61 lb)
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 images
Battery form - Battery Pack
Battery ID - NP-FM500H
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage media SD/SDHC/MMC SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Storage slots Single Single
Price at launch $699 $900