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Sigma SD9 vs Sony A77 II

Portability
54
Imaging
39
Features
27
Overall
34
Sigma SD9 front
 
Sony SLT-A77 II front
Portability
62
Imaging
66
Features
85
Overall
73

Sigma SD9 vs Sony A77 II Key Specs

Sigma SD9
(Full Review)
  • 3MP - APS-C Sensor
  • 1.8" Fixed Display
  • ISO 100 - 400
  • 1/6000s Maximum Shutter
  • No Video
  • Sigma SA Mount
  • 950g - 152 x 120 x 79mm
  • Released November 2002
  • Successor is Sigma SD10
Sony A77 II
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 50 - 25600
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 647g - 143 x 104 x 81mm
  • Introduced May 2014
  • Old Model is Sony A77
Photography Glossary

Sigma SD9 vs Sony A77 II Overview

Let's look a little more in depth at the Sigma SD9 versus Sony A77 II, both Advanced DSLR cameras by manufacturers Sigma and Sony. There exists a large gap among the image resolutions of the SD9 (3MP) and A77 II (24MP) but both cameras have the same sensor sizes (APS-C).

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The SD9 was unveiled 12 years prior to the A77 II which is a fairly serious difference as far as camera technology is concerned. Both of the cameras have the same body design (Mid-size SLR).

Before going right into a complete comparison, here is a simple introduction of how the SD9 matches up vs the A77 II with regards to portability, imaging, features and an overall score.

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Reasons to pick Sigma SD9 over the Sony A77 II

 SD9 A77 II 

Reasons to pick Sony A77 II over the Sigma SD9

 A77 II SD9 
IntroducedMay 2014November 2002More modern by 139 months
Display typeFully ArticulatedFixed Fully Articulating display
Display dimensions3"1.8"Larger display (+1.2")
Display resolution1229k130kSharper display (+1099k dot)
Selfie screen Take selfies

Common features in the Sigma SD9 and Sony A77 II

 SD9 A77 II 
Manual focus More accurate focus
Touch display Lacking Touch display

Sigma SD9 vs Sony A77 II Physical Comparison

If you're looking to carry around your camera, you should take into account its weight and measurements. The Sigma SD9 has got outside dimensions of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") along with a weight of 950 grams (2.09 lbs) and the Sony A77 II has proportions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") having a weight of 647 grams (1.43 lbs).

Compare the Sigma SD9 versus Sony A77 II in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will vary based on the lens you choose at that time. Below is a front view proportions comparison of the SD9 vs the A77 II.

Sigma SD9 vs Sony A77 II size comparison

Using dimensions and weight, the portability score of the SD9 and A77 II is 54 and 62 respectively.

Sigma SD9 vs Sony A77 II top view buttons comparison

Sigma SD9 vs Sony A77 II Sensor Comparison

Normally, its tough to see the gap in sensor sizes merely by looking through specifications. The image underneath might offer you a better sense of the sensor sizes in the SD9 and A77 II.

Plainly, both cameras provide the same sensor dimensions but not the same resolution. You can expect to see the Sony A77 II to provide you with greater detail having an extra 21MP. Greater resolution will make it easier to crop pics more aggressively. The more aged SD9 will be disadvantaged in sensor technology.

Sigma SD9 vs Sony A77 II sensor size comparison

Sigma SD9 vs Sony A77 II Screen and ViewFinder

Sigma SD9 vs Sony A77 II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma SD9 Portrait photography information
Sony A77 II Portrait photography information
47
has manual focus
sensor size is nice (APS-C)
saves RAW files
does not have liveview
low megapixels (3 megapixels)
79
manual focus
good MP (24MP)
sensor size is good (APS-C)
provides face detect focusing
exports RAW files
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Street Comparison

Sigma SD9 as a Street photography camera
Sony A77 II as a Street photography camera
43
sensor size is nice (APS-C)
saves RAW files
screen is fixed
no image stabilization
heavier than competition (950 grams)
low maximum ISO (400)
76
screen can move to multiple angles
built in image stabilization (Sensor based)
sensor size is good (APS-C)
exports RAW files
environment sealing
good high ISO (25,600)
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Sports Comparison

Sports photography with Sigma SD9
Sports photography with Sony A77 II
36
maximum shutter speed is high (1/6,000s)
sensor size is nice (APS-C)
does not have liveview
no image stabilization
low megapixels (3 megapixels)
lack of phase detect AF
76
maximum shutter speed is high (1/8,000 seconds)
built in image stabilization (Sensor based)
good MP (24 megapixels)
sensor size is good (APS-C)
provides tracking focus
environment sealing
comes with phase detect AF
not so great battery power (480 shots)
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Travel Comparison

Sigma SD9 Travel photography features
Sony A77 II Travel photography features
29
doesn't have Time Lapse recording
heavier than competition (950 grams)
low megapixels (3MP)
doesn't posses selfie friendly screen
64
environment sealing
good MP (24MP)
built-in flash
selfie friendly screen
no Time Lapse recording
not so great battery power (480 per charge)
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Landscape Comparison

Sigma SD9 as a Landscape photography camera
Sony A77 II as a Landscape photography camera
41
has manual focus
change lenses (Sigma SA mount)
sensor size is nice (APS-C)
saves RAW files
screen is somewhat small (1.8")
does not have liveview
no image stabilization
low megapixels (3 megapixels)
low maximum ISO (400)
doesn't have Time Lapse recording
73
manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
pretty good screen size (3")
built in image stabilization (Sensor based)
good MP (24 megapixels)
sensor size is good (APS-C)
good high ISO (25,600)
exports RAW files
environment sealing
not so great battery power (480 shots)
no Time Lapse recording
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Vlogging Comparison

Vlogging with Sigma SD9
Vlogging with Sony A77 II
9
lack of video recording
78
selfie friendly screen
built in image stabilization (Sensor based)
provides face detect focusing
video res high (1920 x 1080 resolution)
does have mic jack
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Sigma SD9 vs Sony A77 II Specifications

Detailed spec comparison table for Sigma SD9 and Sony A77 II
 Sigma SD9Sony SLT-A77 II
General Information
Manufacturer Sigma Sony
Model Sigma SD9 Sony SLT-A77 II
Category Advanced DSLR Advanced DSLR
Released 2002-11-26 2014-05-21
Body design Mid-size SLR Mid-size SLR
Sensor Information
Processor Chip - Bionz X
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 3 megapixels 24 megapixels
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Full resolution 2268 x 1512 6000 x 4000
Max native ISO 400 25600
Min native ISO 100 50
RAW format
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points - 79
Cross focus points - 15
Lens
Lens mount Sigma SA Sony/Minolta Alpha
Total lenses 76 143
Focal length multiplier 1.7 1.5
Screen
Display type Fixed Type Fully Articulated
Display sizing 1.8" 3"
Resolution of display 130 thousand dot 1,229 thousand dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 2,359 thousand dot
Viewfinder coverage 98% 100%
Viewfinder magnification 0.77x 0.73x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/6000s 1/8000s
Continuous shooting speed - 12.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash 12.00 m (at ISO 100)
Flash settings - Auto, fill, rear sync, slow sync
Hot shoe
AEB
White balance bracketing
Highest flash sync 1/180s 1/250s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions - 1920 x 1080 (60p, 60i, 30p), 1440 x 1080 (30p), 640 x 480 (30p)
Max video resolution None 1920x1080
Video format - MPEG-4, AVCHD, XAVC S
Mic input
Headphone input
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 1.0 (1.5 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 950 gr (2.09 lbs) 647 gr (1.43 lbs)
Physical dimensions 152 x 120 x 79mm (6.0" x 4.7" x 3.1") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO All around score not tested 82
DXO Color Depth score not tested 24.4
DXO Dynamic range score not tested 13.4
DXO Low light score not tested 1013
Other
Battery life - 480 photos
Form of battery - Battery Pack
Battery model - NP-FM500H
Self timer Yes (10 sec) Yes (Yes (2 or 12 sec))
Time lapse recording
Storage media Compact Flash Type I or II SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Storage slots One One
Pricing at launch $3,001 $1,198