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Sigma SD9 vs Sony A7S II

Portability
54
Imaging
38
Features
27
Overall
33
Sigma SD9 front
 
Sony Alpha A7S II front
Portability
68
Imaging
61
Features
76
Overall
67

Sigma SD9 vs Sony A7S II Key Specs

Sigma SD9
(Full Review)
  • 3MP - APS-C Sensor
  • 1.8" Fixed Display
  • ISO 100 - 400
  • 1/6000s Max Shutter
  • No Video
  • Sigma SA Mount
  • 950g - 152 x 120 x 79mm
  • Revealed November 2002
  • Updated by Sigma SD10
Sony A7S II
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 102400 (Increase to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 627g - 127 x 96 x 60mm
  • Announced October 2015
  • Earlier Model is Sony A7S
  • Successor is Sony A7S III
Photography Glossary

Sigma SD9 vs Sony A7S II Overview

Below, we will be evaluating the Sigma SD9 vs Sony A7S II, former being a Advanced DSLR while the latter is a Pro Mirrorless by companies Sigma and Sony. There is a sizable difference among the sensor resolutions of the SD9 (3MP) and A7S II (12MP) and the SD9 (APS-C) and A7S II (Full frame) use different sensor dimensions.

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The SD9 was revealed 14 years prior to the A7S II and that is a fairly significant difference as far as camera tech is concerned. Both of these cameras come with different body type with the Sigma SD9 being a Mid-size SLR camera and the Sony A7S II being a SLR-style mirrorless camera.

Before we go straight into a detailed comparison, below is a brief overview of how the SD9 matches up versus the A7S II when it comes to portability, imaging, features and an overall grade.

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Reasons to pick Sigma SD9 over the Sony A7S II

 SD9 A7S II 

Reasons to pick Sony A7S II over the Sigma SD9

 A7S II SD9 
AnnouncedOctober 2015November 2002More recent by 156 months
Screen typeTiltingFixed Tilting screen
Screen dimension3"1.8"Bigger screen (+1.2")
Screen resolution1229k130kClearer screen (+1099k dot)

Common features in the Sigma SD9 and Sony A7S II

 SD9 A7S II 
Manual focus Very exact focus
Selfie screen Neither contains selfie screen
Touch screen Absent Touch screen

Sigma SD9 vs Sony A7S II Physical Comparison

For anybody who is going to lug around your camera frequently, you will need to consider its weight and proportions. The Sigma SD9 has got physical dimensions of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") having a weight of 950 grams (2.09 lbs) whilst the Sony A7S II has measurements of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") accompanied by a weight of 627 grams (1.38 lbs).

Compare the Sigma SD9 vs Sony A7S II in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will change dependant on the lens you have at the time. The following is the front view dimensions comparison of the SD9 and the A7S II.

Sigma SD9 vs Sony A7S II size comparison

Factoring in size and weight, the portability grade of the SD9 and A7S II is 54 and 68 respectively.

Sigma SD9 vs Sony A7S II top view buttons comparison

Sigma SD9 vs Sony A7S II Sensor Comparison

Often, it can be hard to imagine the contrast in sensor measurements merely by viewing specifications. The photograph below will offer you a far better sense of the sensor dimensions in the SD9 and A7S II.

Plainly, each of the cameras posses different megapixel count and different sensor measurements. The SD9 using its smaller sensor is going to make getting shallow depth of field tougher and the Sony A7S II will render extra detail because of its extra 9 Megapixels. Higher resolution will also help you crop pictures somewhat more aggressively. The older SD9 will be disadvantaged when it comes to sensor technology.

Sigma SD9 vs Sony A7S II sensor size comparison

Sigma SD9 vs Sony A7S II Screen and ViewFinder

Sigma SD9 vs Sony A7S II Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma SD9 as a Portrait photography camera
Sony A7S II as a Portrait photography camera
46
manual focus
decent sensor size (APS-C)
delivers RAW formats
does not have liveview
low megapixels (3 megapixels)
68
focusing manually
sensor size is large (Full frame)
comes with face detect autofocus
exports RAW formats
low megapixels (12MP)
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Street Comparison

Street photography with Sigma SD9
Street photography with Sony A7S II
43
decent sensor size (APS-C)
delivers RAW formats
fixed screen
does not have image stabilization
more heavy than competition in class (950g)
low max ISO (400)
78
has a tilting screen
has image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
exports RAW formats
weather sealing
good high ISO (102,400)
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Sports Comparison

Sigma SD9 as a Sports photography camera
Sony A7S II as a Sports photography camera
35
great max shutter speed (1/6,000s)
decent sensor size (APS-C)
does not have liveview
does not have image stabilization
low megapixels (3MP)
has no phase detect autofocus
58
maximum shutter speed is high (1/8,000s)
has image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
comes with tracking focus
weather sealing
max frames per second low (5.0 frames per second)
low megapixels (12MP)
terrible battery power (370 per charge)
doesn't have phase detect autofocus
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Travel Comparison

Sigma SD9 Travel photography highlights
Sony A7S II Travel photography highlights
29
does not have Timelapse mode
more heavy than competition in class (950g)
low megapixels (3 megapixels)
display is not selfie friendly
49
weather sealing
terrible battery power (370 per charge)
low megapixels (12MP)
display is not selfie friendly
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Landscape Comparison

Sigma SD9 Landscape photography advice
Sony A7S II Landscape photography advice
40
manual focus
switch lenses (Sigma SA mount)
decent sensor size (APS-C)
delivers RAW formats
small screen (1.8 inches)
does not have liveview
does not have image stabilization
low megapixels (3 megapixels)
low max ISO (400)
does not have Timelapse mode
71
focusing manually
switch lenses (Sony E mount)
nice screen size (3")
has image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
good high ISO (102,400)
exports RAW formats
weather sealing
low megapixels (12 megapixels)
terrible battery power (370 CIPA)
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Vlogging Comparison

Sigma SD9 as a Vlogging camera
Sony A7S II as a Vlogging camera
9
no video
35
has image stabilization (Sensor based 5-axis)
comes with face detect autofocus
high res video (3840 x 2160 pixels)
includes microphone jack
display is not selfie friendly
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Sigma SD9 vs Sony A7S II Specifications

Detailed spec comparison table for Sigma SD9 and Sony A7S II
 Sigma SD9Sony Alpha A7S II
General Information
Company Sigma Sony
Model type Sigma SD9 Sony Alpha A7S II
Class Advanced DSLR Pro Mirrorless
Revealed 2002-11-26 2015-10-12
Body design Mid-size SLR 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 35.6 x 23.8mm
Sensor surface area 285.7mm² 847.3mm²
Sensor resolution 3 megapixels 12 megapixels
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Full resolution 2268 x 1512 4240 x 2832
Max native ISO 400 102400
Max boosted ISO - 409600
Minimum native ISO 100 100
RAW support
Minimum boosted ISO - 50
Autofocusing
Focus manually
Touch focus
Continuous AF
Single AF
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points - 169
Lens
Lens support Sigma SA Sony E
Available lenses 76 121
Crop factor 1.7 1
Screen
Range of display Fixed Type Tilting
Display diagonal 1.8 inches 3 inches
Resolution of display 130k dot 1,229k dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder Optical (pentaprism) Electronic
Viewfinder resolution - 2,359k dot
Viewfinder coverage 98 percent 100 percent
Viewfinder magnification 0.77x 0.78x
Features
Lowest shutter speed 30s 30s
Highest shutter speed 1/6000s 1/8000s
Continuous shooting speed - 5.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash distance no built-in flash no built-in flash
Flash options - no built-in flash
Hot shoe
Auto exposure bracketing
White balance bracketing
Highest flash sync 1/180s -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions - 4K (3840 x 2160 @ 30p/24p [60-100Mbps]), Full HD (1920 x 1080 @ 120p/60p/60i/30p/24p [50-100Mbps]), 720p (30p [16Mbps])
Max video resolution None 3840x2160
Video format - MPEG-4, AVCHD, XAVC S
Microphone 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
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 950g (2.09 lb) 627g (1.38 lb)
Dimensions 152 x 120 x 79mm (6.0" x 4.7" x 3.1") 127 x 96 x 60mm (5.0" x 3.8" x 2.4")
DXO scores
DXO All around rating not tested 85
DXO Color Depth rating not tested 23.6
DXO Dynamic range rating not tested 13.3
DXO Low light rating not tested 2993
Other
Battery life - 370 images
Type of battery - Battery Pack
Battery ID - NP-FW50
Self timer Yes (10 sec) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse recording With downloadable app
Type of storage Compact Flash Type I or II SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots Single Single
Price at launch $3,001 $2,767