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Sigma SD15 vs Sony T900

Portability
59
Imaging
44
Features
45
Overall
44
Sigma SD15 front
 
Sony Cyber-shot DSC-T900 front
Portability
96
Imaging
34
Features
30
Overall
32

Sigma SD15 vs Sony T900 Key Specs

Sigma SD15
(Full Review)
  • 5MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 1600 (Push to 3200)
  • No Video
  • Sigma SA Mount
  • 750g - 144 x 107 x 81mm
  • Launched February 2010
  • Succeeded the Sigma SD14
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
  • Released February 2009
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Sigma SD15 vs Sony T900 Overview

Let's take a more detailed look at the Sigma SD15 versus Sony T900, former is a Advanced DSLR while the latter is a Ultracompact by brands Sigma and Sony. There is a substantial difference among the image resolutions of the SD15 (5MP) and T900 (12MP) and the SD15 (APS-C) and T900 (1/2.3") have different sensor sizing.

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The SD15 was brought out 13 months after the T900 which makes them a generation away from each other. Both of these cameras feature different body design with the Sigma SD15 being a Mid-size SLR camera and the Sony T900 being a Ultracompact camera.

Before delving right into a comprehensive comparison, here is a brief summary of how the SD15 scores versus the T900 in terms of portability, imaging, features and an overall mark.

Photography Glossary
	
	

Reasons to pick Sigma SD15 over the Sony T900

 SD15 T900 
ReleasedFebruary 2010February 2009Newer by 13 months

Reasons to pick Sony T900 over the Sigma SD15

 T900 SD15 
Screen size3.5"3"Bigger screen (+0.5")
Screen resolution922k460kCrisper screen (+462k dot)
Touch screen Quickly navigate

Common features in the Sigma SD15 and Sony T900

 SD15 T900 
Manually focus Very precise focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Lack of selfie screen

Sigma SD15 vs Sony T900 Physical Comparison

For anyone who is going to travel with your camera, you will have to consider its weight and volume. The Sigma SD15 offers outer dimensions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") accompanied by a weight of 750 grams (1.65 lbs) and the Sony T900 has sizing of 98mm x 58mm x 16mm (3.9" x 2.3" x 0.6") with a weight of 143 grams (0.32 lbs).

Look at the Sigma SD15 versus Sony T900 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will vary dependant on the lens you have chosen during that time. Following is a front view measurements comparison of the SD15 against the T900.

Sigma SD15 vs Sony T900 size comparison

Looking at size and weight, the portability rating of the SD15 and T900 is 59 and 96 respectively.

Sigma SD15 vs Sony T900 top view buttons comparison

Sigma SD15 vs Sony T900 Sensor Comparison

Oftentimes, it's tough to picture the difference in sensor dimensions simply by viewing specifications. The pic underneath will offer you a clearer sense of the sensor dimensions in the SD15 and T900.

Plainly, both the cameras come with different resolutions and different sensor dimensions. The SD15 because of its bigger sensor is going to make getting shallow DOF easier and the Sony T900 will render extra detail having its extra 7 Megapixels. Higher resolution will allow you to crop photographs a good deal more aggressively. The newer SD15 should have a benefit in sensor technology.

Sigma SD15 vs Sony T900 sensor size comparison

Sigma SD15 vs Sony T900 Screen and ViewFinder

Sigma SD15 vs Sony T900 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Sigma SD15
Portrait photography with Sony T900
50
has manual focus
sensor size is nice (APS-C)
delivers RAW files
no liveview feature
low MP (5 megapixels)
27
you can focus manually
manual mode not possible
cannot use external flash
low resolution (12 megapixels)
sensor is tiny (1/2.3")
no RAW format
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Street Comparison

Sigma SD15 as a Street photography camera
Sony T900 as a Street photography camera
52
sensor size is nice (APS-C)
delivers RAW files
no moving screen
lack of image stabilization
57
built in image stabilization (Optical)
no articulating screen
sensor is tiny (1/2.3")
no RAW format
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Sports Comparison

Sigma SD15 Sports photography info
Sony T900 Sports photography info
38
sensor size is nice (APS-C)
sensor has phase detect autofocus
no liveview feature
max frames per second low (3.0 frames per second)
lack of image stabilization
low MP (5MP)
24
built in image stabilization (Optical)
maximum shutter speed is a little low (1/1,000 seconds)
max frames per second low (2.0 frames per second)
no shutter priority mode
low resolution (12MP)
sensor is tiny (1/2.3")
no phase detect AF
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Travel Comparison

Sigma SD15 Travel photography highlights
Sony T900 Travel photography highlights
42
has built in flash
missing Timelapse recording
low MP (5 megapixels)
display isn't selfie friendly
51
flash built-in
missing Time Lapse function
low resolution (12 megapixels)
doesn't have a selfie friendly display
wide angle not great (35mm)
sluggish max aperture (f3.5)
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Landscape Comparison

Sigma SD15 Landscape photography highlights
Sony T900 Landscape photography highlights
51
has manual focus
switch lenses (Sigma SA mount)
nice screen size (3 inches)
sensor size is nice (APS-C)
delivers RAW files
no liveview feature
lack of image stabilization
low MP (5MP)
missing Timelapse recording
36
you can focus manually
screen larger than average (3.5")
built in image stabilization (Optical)
cannot change lens (fixed lens mount)
wide angle not great (35mm)
sluggish max aperture (f3.5)
manual mode not possible
low resolution (12 megapixels)
sensor is tiny (1/2.3")
no RAW format
missing Time Lapse function
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Vlogging Comparison

Vlogging with Sigma SD15
Vlogging with Sony T900
9
no video shooting
28
touch screen
built in image stabilization (Optical)
wide angle not great (35mm)
sluggish max aperture (f3.5)
doesn't have a selfie friendly display
low res video (1280 x 720 resolution)
missing mic support
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Sigma SD15 vs Sony T900 Specifications

Detailed spec comparison table for Sigma SD15 and Sony T900
 Sigma SD15Sony Cyber-shot DSC-T900
General Information
Make Sigma Sony
Model Sigma SD15 Sony Cyber-shot DSC-T900
Class Advanced DSLR Ultracompact
Launched 2010-02-20 2009-02-17
Physical type Mid-size SLR Ultracompact
Sensor Information
Processor Chip True II -
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 5MP 12MP
Anti aliasing filter
Aspect ratio 3:2 4:3, 3:2 and 16:9
Highest resolution 2640 x 1760 4000 x 3000
Highest native ISO 1600 3200
Highest boosted ISO 3200 -
Minimum native ISO 100 80
RAW data
Minimum boosted ISO 50 -
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Single autofocus
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points - 9
Lens
Lens mount Sigma SA fixed lens
Lens focal range - 35-140mm (4.0x)
Maximal aperture - f/3.5-10.0
Total lenses 76 -
Crop factor 1.7 5.8
Screen
Type of display Fixed Type Fixed Type
Display sizing 3 inches 3.5 inches
Resolution of display 460 thousand dots 922 thousand dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 96% -
Viewfinder magnification 0.6x -
Features
Slowest shutter speed 30 seconds 2 seconds
Maximum shutter speed 1/4000 seconds 1/1000 seconds
Continuous shooting rate 3.0fps 2.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Change white balance
Image stabilization
Inbuilt flash
Flash range - 2.90 m (Auto ISO)
Flash options - Auto, On, Off, Red-Eye reduction, Slow Sync
Hot shoe
AEB
White balance bracketing
Maximum flash synchronize 1/180 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions - 1280 x 720 (30 fps) 640 x 480 (30 fps)
Highest video resolution None 1280x720
Video file format - Motion JPEG
Mic support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 750 grams (1.65 lb) 143 grams (0.32 lb)
Physical dimensions 144 x 107 x 81mm (5.7" x 4.2" x 3.2") 98 x 58 x 16mm (3.9" x 2.3" x 0.6")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Self timer Yes (10 sec) Yes (2 or 10 sec)
Time lapse recording
Storage type SD/SDHC card Memory Stick Duo / Pro Duo, Internal
Card slots 1 1
Cost at launch $1,500 $300