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Sigma DP1s vs Sony A77

Portability
90
Imaging
44
Features
30
Overall
38
Sigma DP1s front
 
Sony SLT-A77 front
Portability
59
Imaging
63
Features
83
Overall
71

Sigma DP1s vs Sony A77 Key Specs

Sigma DP1s
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 800
  • No Video
  • 28mm (F) lens
  • 270g - 109 x 60 x 31mm
  • Revealed October 2009
  • Superseded the Sigma DP1
  • Renewed by Sigma DP1x
Sony A77
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 50 - 16000 (Increase to 25600)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 732g - 143 x 104 x 81mm
  • Released October 2011
  • Replaced the Sony A700
  • Replacement is Sony A77 II
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Sigma DP1s vs Sony A77 Overview

Below is a in depth analysis of the Sigma DP1s versus Sony A77, former being a Large Sensor Compact while the other is a Advanced DSLR by competitors Sigma and Sony. There exists a considerable gap between the resolutions of the DP1s (5MP) and A77 (24MP) but they feature the exact same sensor dimensions (APS-C).

Photography Glossary

The DP1s was manufactured 3 years earlier than the A77 and that is quite a large difference as far as technology is concerned. Both of these cameras come with different body type with the Sigma DP1s being a Large Sensor Compact camera and the Sony A77 being a Mid-size SLR camera.

Before delving straight into a more detailed comparison, below is a simple view of how the DP1s scores against the A77 in terms of portability, imaging, features and an overall grade.

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Reasons to pick Sigma DP1s over the Sony A77

 DP1s A77 

Reasons to pick Sony A77 over the Sigma DP1s

 A77 DP1s 
ReleasedOctober 2011October 2009More recent by 25 months
Display typeFully ArticulatedFixed Fully Articulating display
Display dimension3"2.5"Larger display (+0.5")
Display resolution921k230kSharper display (+691k dot)
Selfie screen Easy selfies

Common features in the Sigma DP1s and Sony A77

 DP1s A77 
Manual focus Dial exact focusing
Touch friendly display Absent Touch friendly display

Sigma DP1s vs Sony A77 Physical Comparison

For anybody who is aiming to lug around your camera, you have to think about its weight and size. The Sigma DP1s provides exterior measurements of 109mm x 60mm x 31mm (4.3" x 2.4" x 1.2") and a weight of 270 grams (0.60 lbs) while the Sony A77 has specifications of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 732 grams (1.61 lbs).

Compare the Sigma DP1s versus Sony A77 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will differ based on the lens you choose at that time. The following is the front view size comparison of the DP1s versus the A77.

Sigma DP1s vs Sony A77 size comparison

Taking into account dimensions and weight, the portability rating of the DP1s and A77 is 90 and 59 respectively.

Sigma DP1s vs Sony A77 top view buttons comparison

Sigma DP1s vs Sony A77 Sensor Comparison

Sometimes, it can be hard to envision the contrast between sensor measurements merely by going over a spec sheet. The photograph underneath will give you a far better sense of the sensor measurements in the DP1s and A77.

As you can see, each of these cameras have got the exact same sensor measurements but not the same resolution. You can anticipate the Sony A77 to deliver extra detail due to its extra 19MP. Greater resolution can also enable you to crop pics much more aggressively. The older DP1s is going to be disadvantaged in sensor tech.

Sigma DP1s vs Sony A77 sensor size comparison

Sigma DP1s vs Sony A77 Screen and ViewFinder

Sigma DP1s vs Sony A77 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma DP1s Portrait photography factors
Sony A77 Portrait photography factors
56
you can focus manually
nice sensor size (APS-C)
exports RAW files
low resolution sensor (5 megapixels)
77
manual focus
megapixel count decent (24 megapixels)
sensor size is nice (APS-C)
offers face detection autofocus
saves RAW formats
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Street Comparison

Sigma DP1s Street photography features
Sony A77 Street photography features
66
nice sensor size (APS-C)
exports RAW files
lighter than others (270g)
screen does not articulate
no image stabilization
low max ISO (800)
74
screen can move to multiple angles
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW formats
weather proof
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Sports Comparison

Sigma DP1s Sports photography features
Sony A77 Sports photography features
32
nice sensor size (APS-C)
focal length is fixed (28mm)
no image stabilization
low resolution sensor (5MP)
no phase detect AF
74
maximum shutter speed is high (1/8,000s)
built in image stabilization (Sensor based)
megapixel count decent (24MP)
sensor size is nice (APS-C)
weather proof
has phase detect autofocus
low battery (470 shots)
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Travel Comparison

Sigma DP1s Travel photography factors
Sony A77 Travel photography factors
64
lighter than others (270 grams)
flash built-in
fast maximum aperture (f)
doesn't have Time Lapse mode
low resolution sensor (5MP)
doesn't posses selfie friendly screen
62
weather proof
megapixel count decent (24 megapixels)
flash built-in
display is selfie friendly
lack of Timelapse recording
low battery (470 CIPA)
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Landscape Comparison

Sigma DP1s Landscape photography features
Sony A77 Landscape photography features
44
you can focus manually
fast maximum aperture (f)
nice sensor size (APS-C)
exports RAW files
lens is fixed (fixed lens mount)
focal length is fixed (28mm)
tiny screen (2.5")
no image stabilization
low resolution sensor (5 megapixels)
low max ISO (800)
doesn't have Time Lapse mode
71
manual focus
change lenses (Sony/Minolta Alpha mount)
nice screen size (3 inches)
built in image stabilization (Sensor based)
megapixel count decent (24MP)
sensor size is nice (APS-C)
saves RAW formats
weather proof
low battery (470 per charge)
lack of Timelapse recording
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Vlogging Comparison

Sigma DP1s Vlogging details
Sony A77 Vlogging details
9
no video shooting
76
display is selfie friendly
built in image stabilization (Sensor based)
offers face detection autofocus
video resolution high (1920 x 1080 pxls)
has external microphone support
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Sigma DP1s vs Sony A77 Specifications

Detailed spec comparison table for Sigma DP1s and Sony A77
 Sigma DP1sSony SLT-A77
General Information
Brand Name Sigma Sony
Model type Sigma DP1s Sony SLT-A77
Class Large Sensor Compact Advanced DSLR
Revealed 2009-10-02 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 measurements 20.7 x 13.8mm 23.5 x 15.6mm
Sensor area 285.7mm² 366.6mm²
Sensor resolution 5 megapixels 24 megapixels
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Highest resolution 2640 x 1760 6000 x 4000
Highest native ISO 800 16000
Highest boosted ISO - 25600
Lowest native ISO 100 50
RAW support
Autofocusing
Manual focusing
Touch to focus
AF continuous
AF single
Tracking AF
Selective AF
AF center weighted
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points - 19
Cross type focus points - 11
Lens
Lens mount type fixed lens Sony/Minolta Alpha
Lens zoom range 28mm (1x) -
Number of lenses - 143
Crop factor 1.7 1.5
Screen
Screen type Fixed Type Fully Articulated
Screen sizing 2.5" 3"
Screen resolution 230 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 2,359 thousand dots
Viewfinder coverage - 100%
Viewfinder magnification - 0.73x
Features
Slowest shutter speed 30 secs 30 secs
Maximum shutter speed 1/4000 secs 1/8000 secs
Continuous shooting rate - 12.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash distance - 12.00 m
Flash modes - 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 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions - 1920 x 1080 (60, 24 fps), 1440 x 1080 (30fps), 640 x 424 (29.97 fps)
Highest video resolution None 1920x1080
Video file format Motion JPEG MPEG-4, AVCHD, H.264
Microphone support
Headphone support
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 1.0 (1.5 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 270 gr (0.60 lb) 732 gr (1.61 lb)
Dimensions 109 x 60 x 31mm (4.3" x 2.4" x 1.2") 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 shots
Style of battery - Battery Pack
Battery ID - NP-FM500H
Self timer Yes (10 sec) Yes (2 or 10 sec)
Time lapse feature
Storage type SD/MMC card SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo
Card slots Single Single
Launch price $0 $900