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Sigma SD9 vs Sony T900

Portability
54
Imaging
39
Features
27
Overall
34
Sigma SD9 front
 
Sony Cyber-shot DSC-T900 front
Portability
96
Imaging
34
Features
30
Overall
32

Sigma SD9 vs Sony T900 Key Specs

Sigma SD9
(Full Review)
  • 3MP - APS-C Sensor
  • 1.8" Fixed Screen
  • ISO 100 - 400
  • 1/6000s Maximum Shutter
  • No Video
  • Sigma SA Mount
  • 950g - 152 x 120 x 79mm
  • Announced November 2002
  • Replacement is Sigma SD10
Sony T900
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3.5" Fixed Screen
  • ISO 80 - 3200
  • Optical Image Stabilization
  • 1280 x 720 video
  • 35-140mm (F3.5-10.0) lens
  • 143g - 98 x 58 x 16mm
  • Announced February 2009
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Sigma SD9 vs Sony T900 Overview

Its time to look more in depth at the Sigma SD9 and Sony T900, one being a Advanced DSLR and the latter is a Ultracompact by companies Sigma and Sony. There is a huge difference among the image resolutions of the SD9 (3MP) and T900 (12MP) and the SD9 (APS-C) and T900 (1/2.3") provide totally different sensor dimensions.

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The SD9 was manufactured 7 years earlier than the T900 and that is a fairly significant gap as far as camera tech is concerned. The two cameras have different body design with the Sigma SD9 being a Mid-size SLR camera and the Sony T900 being a Ultracompact camera.

Before going right into a step-by-step comparison, here is a simple view of how the SD9 scores vs the T900 with regards to portability, imaging, features and an overall rating.

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Reasons to pick Sigma SD9 over the Sony T900

 SD9 T900 

Reasons to pick Sony T900 over the Sigma SD9

 T900 SD9 
AnnouncedFebruary 2009November 2002Fresher by 75 months
Screen dimensions3.5"1.8"Bigger screen (+1.7")
Screen resolution922k130kSharper screen (+792k dot)
Touch screen Quickly navigate

Common features in the Sigma SD9 and Sony T900

 SD9 T900 
Manual focus Very accurate focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Neither includes selfie screen

Sigma SD9 vs Sony T900 Physical Comparison

If you are planning to carry your camera often, you will need to consider its weight and dimensions. The Sigma SD9 features exterior measurements of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") having a weight of 950 grams (2.09 lbs) while the Sony T900 has dimensions of 98mm x 58mm x 16mm (3.9" x 2.3" x 0.6") and a weight of 143 grams (0.32 lbs).

Analyze the Sigma SD9 and Sony T900 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you select during that time. Underneath is a front view physical size comparison of the SD9 versus the T900.

Sigma SD9 vs Sony T900 size comparison

Taking into consideration size and weight, the portability grade of the SD9 and T900 is 54 and 96 respectively.

Sigma SD9 vs Sony T900 top view buttons comparison

Sigma SD9 vs Sony T900 Sensor Comparison

Often, it is hard to see the contrast in sensor sizing merely by checking out specifications. The photograph here will help give you a stronger sense of the sensor sizing in the SD9 and T900.

Plainly, the 2 cameras provide different resolutions and different sensor sizing. The SD9 featuring a bigger sensor will make shooting shallower depth of field easier and the Sony T900 will produce more detail due to its extra 9MP. Higher resolution will let you crop shots more aggressively. The older SD9 will be behind when it comes to sensor tech.

Sigma SD9 vs Sony T900 sensor size comparison

Sigma SD9 vs Sony T900 Screen and ViewFinder

Sigma SD9 vs Sony T900 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma SD9 Portrait photography features
Sony T900 Portrait photography features
47
you can focus manually
nice sensor size (APS-C)
delivers RAW formats
no liveview
low resolution sensor (3 megapixels)
27
has manual focus
manual exposure not possible
external flash not possible
MP count low (12 megapixels)
sensor size is small (1/2.3")
doesn't have RAW support
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Street Comparison

Sigma SD9 as a Street photography camera
Sony T900 as a Street photography camera
43
nice sensor size (APS-C)
delivers RAW formats
screen is fixed
no image stabilization
heavier than competition in class (950g)
maximum ISO low (400)
57
built in image stabilization (Optical)
screen does not articulate
sensor size is small (1/2.3")
doesn't have RAW support
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Sports Comparison

Sigma SD9 Sports photography features
Sony T900 Sports photography features
36
maximum shutter speed is high (1/6,000 seconds)
nice sensor size (APS-C)
no liveview
no image stabilization
low resolution sensor (3 megapixels)
does not have phase detect AF
24
built in image stabilization (Optical)
low max shutter speed (1/1,000 seconds)
max fps low (2.0 fps)
no shutter priority
MP count low (12 megapixels)
sensor size is small (1/2.3")
doesn't have phase detect autofocus
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Travel Comparison

Travel photography with Sigma SD9
Travel photography with Sony T900
29
lack of Time Lapse function
heavier than competition in class (950g)
low resolution sensor (3 megapixels)
does not contain selfie friendly screen
51
built-in flash
does not have Time Lapse function
MP count low (12 megapixels)
screen is not selfie friendly
wide angle not fantastic (35mm)
somewhat slow maximum aperture (f3.5)
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Landscape Comparison

Sigma SD9 Landscape photography info
Sony T900 Landscape photography info
41
you can focus manually
change lenses (Sigma SA mount)
nice sensor size (APS-C)
delivers RAW formats
tiny screen (1.8 inches)
no liveview
no image stabilization
low resolution sensor (3 megapixels)
maximum ISO low (400)
lack of Time Lapse function
36
has manual focus
very good size screen (3.5")
built in image stabilization (Optical)
can't change lenses (fixed lens mount)
wide angle not fantastic (35mm)
somewhat slow maximum aperture (f3.5)
manual exposure not possible
MP count low (12 megapixels)
sensor size is small (1/2.3")
doesn't have RAW support
does not have Time Lapse function
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Vlogging Comparison

Sigma SD9 Vlogging factors
Sony T900 Vlogging factors
9
can't shoot video
28
screen is touchscreen
built in image stabilization (Optical)
wide angle not fantastic (35mm)
somewhat slow maximum aperture (f3.5)
screen is not selfie friendly
video resolution low (1280 x 720 pxls)
does not have external mic port
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Sigma SD9 vs Sony T900 Specifications

Detailed spec comparison table for Sigma SD9 and Sony T900
 Sigma SD9Sony Cyber-shot DSC-T900
General Information
Brand Name Sigma Sony
Model type Sigma SD9 Sony Cyber-shot DSC-T900
Class Advanced DSLR Ultracompact
Announced 2002-11-26 2009-02-17
Body design Mid-size SLR Ultracompact
Sensor Information
Sensor type CMOS (Foveon X3) CCD
Sensor size APS-C 1/2.3"
Sensor dimensions 20.7 x 13.8mm 6.17 x 4.55mm
Sensor surface area 285.7mm² 28.1mm²
Sensor resolution 3 megapixels 12 megapixels
Anti alias filter
Aspect ratio 3:2 4:3, 3:2 and 16:9
Peak resolution 2268 x 1512 4000 x 3000
Highest native ISO 400 3200
Minimum native ISO 100 80
RAW pictures
Autofocusing
Manual focusing
AF touch
AF continuous
AF single
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points - 9
Lens
Lens mount type Sigma SA fixed lens
Lens zoom range - 35-140mm (4.0x)
Highest aperture - f/3.5-10.0
Number of lenses 76 -
Focal length multiplier 1.7 5.8
Screen
Range of screen Fixed Type Fixed Type
Screen size 1.8" 3.5"
Screen resolution 130k dot 922k dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 98 percent -
Viewfinder magnification 0.77x -
Features
Minimum shutter speed 30 secs 2 secs
Fastest shutter speed 1/6000 secs 1/1000 secs
Continuous shutter speed - 2.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Set WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash 2.90 m (Auto ISO)
Flash modes - Auto, On, Off, Red-Eye reduction, Slow Sync
External flash
AE bracketing
WB bracketing
Fastest flash sync 1/180 secs -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions - 1280 x 720 (30 fps) 640 x 480 (30 fps)
Highest video resolution None 1280x720
Video data format - Motion JPEG
Mic jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 1.0 (1.5 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 950 grams (2.09 lbs) 143 grams (0.32 lbs)
Physical dimensions 152 x 120 x 79mm (6.0" x 4.7" x 3.1") 98 x 58 x 16mm (3.9" x 2.3" x 0.6")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Self timer Yes (10 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage media Compact Flash Type I or II Memory Stick Duo / Pro Duo, Internal
Storage slots Single Single
Cost at release $3,001 $300