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Sigma SD15 vs Sony TX30

Portability
59
Imaging
44
Features
45
Overall
44
Sigma SD15 front
 
Sony Cyber-shot DSC-TX30 front
Portability
96
Imaging
43
Features
43
Overall
43

Sigma SD15 vs Sony TX30 Key Specs

Sigma SD15
(Full Review)
  • 5MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 1600 (Raise to 3200)
  • No Video
  • Sigma SA Mount
  • 750g - 144 x 107 x 81mm
  • Revealed February 2010
  • Previous Model is Sigma SD14
Sony TX30
(Full Review)
  • 18MP - 1/2.3" Sensor
  • 3.3" Fixed Screen
  • ISO 80 - 12800
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 26-130mm (F3.5-4.8) lens
  • 141g - 96 x 59 x 15mm
  • Announced July 2013
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Sigma SD15 vs Sony TX30 Overview

Below, we will be comparing the Sigma SD15 versus Sony TX30, former being a Advanced DSLR while the latter is a Ultracompact by companies Sigma and Sony. There exists a large gap between the resolutions of the SD15 (5MP) and TX30 (18MP) and the SD15 (APS-C) and TX30 (1/2.3") possess totally different sensor sizes.

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The SD15 was revealed 4 years earlier than the TX30 and that is quite a serious difference as far as technology is concerned. Each of these cameras come with different body type with the Sigma SD15 being a Mid-size SLR camera and the Sony TX30 being a Ultracompact camera.

Before going in to a detailed comparison, below is a short view of how the SD15 grades versus the TX30 in the way of portability, imaging, features and an overall grade.

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Reasons to pick Sigma SD15 over the Sony TX30

 SD15 TX30 

Reasons to pick Sony TX30 over the Sigma SD15

 TX30 SD15 
AnnouncedJuly 2013February 2010More recent by 41 months
Screen dimension3.3"3"Bigger screen (+0.3")
Screen resolution1229k460kSharper screen (+769k dot)
Touch screen Quickly navigate

Common features in the Sigma SD15 and Sony TX30

 SD15 TX30 
Manual focus More precise focus
Screen typeFixed Fixed Fixed screen
Selfie screen Neither has selfie screen

Sigma SD15 vs Sony TX30 Physical Comparison

In case you're going to lug around your camera regularly, you will have to consider its weight and dimensions. The Sigma SD15 has external 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) whilst the Sony TX30 has dimensions of 96mm x 59mm x 15mm (3.8" x 2.3" x 0.6") having a weight of 141 grams (0.31 lbs).

Compare the Sigma SD15 versus Sony TX30 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will change depending on the lens you are using at the time. Here is the front view sizing comparison of the SD15 against the TX30.

Sigma SD15 vs Sony TX30 size comparison

Taking into consideration dimensions and weight, the portability score of the SD15 and TX30 is 59 and 96 respectively.

Sigma SD15 vs Sony TX30 top view buttons comparison

Sigma SD15 vs Sony TX30 Sensor Comparison

More often than not, it's hard to visualise the difference between sensor measurements just by reviewing technical specs. The photograph underneath might provide you a better sense of the sensor sizes in the SD15 and TX30.

As you have seen, both of those cameras have got different megapixel count and different sensor measurements. The SD15 using its bigger sensor will make shooting shallower DOF easier and the Sony TX30 will offer extra detail because of its extra 13 Megapixels. Higher resolution will also make it easier to crop shots much more aggressively. The older SD15 is going to be behind in sensor technology.

Sigma SD15 vs Sony TX30 sensor size comparison

Sigma SD15 vs Sony TX30 Screen and ViewFinder

Sigma SD15 vs Sony TX30 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma SD15 Portrait photography factors
Sony TX30 Portrait photography factors
50
manual focus
sensor size is nice (APS-C)
saves RAW files
does not have liveview
MP count low (5 megapixels)
39
focusing manually
decent MP (18MP)
manual exposure not possible
no external flash support
tiny sensor size (1/2.3")
no RAW files
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Street Comparison

Street photography with Sigma SD15
Street photography with Sony TX30
52
sensor size is nice (APS-C)
saves RAW files
no moving screen
does not have image stabilization
64
built in image stabilization (Optical)
environment sealing
fixed screen
tiny sensor size (1/2.3")
no RAW files
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Sports Comparison

Sigma SD15 Sports photography features
Sony TX30 Sports photography features
38
sensor size is nice (APS-C)
has phase detect AF
does not have liveview
continuous shooting slow (3.0 fps)
does not have image stabilization
MP count low (5MP)
46
built in image stabilization (Optical)
decent MP (18 megapixels)
environment sealing
no shutter priority mode
tiny sensor size (1/2.3")
no phase detect auto focus
Photography Glossary

Travel Comparison

Sigma SD15 Travel photography factors
Sony TX30 Travel photography factors
42
flash built-in
doesn't have Time Lapse function
MP count low (5 megapixels)
doesn't feature selfie friendly display
69
environment sealing
decent MP (18MP)
has built in flash
really wide (26mm)
lack of Time Lapse mode
does not feature selfie friendly screen
slow maximum aperture (f3.5)
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Landscape Comparison

Sigma SD15 as a Landscape photography camera
Sony TX30 as a Landscape photography camera
51
manual focus
switch lenses (Sigma SA mount)
good sized screen (3 inch)
sensor size is nice (APS-C)
saves RAW files
does not have liveview
does not have image stabilization
MP count low (5MP)
doesn't have Time Lapse function
51
focusing manually
really wide (26mm)
decent sized screen (3.3")
built in image stabilization (Optical)
decent MP (18 megapixels)
environment sealing
lens is fixed (fixed lens mount)
slow maximum aperture (f3.5)
manual exposure not possible
tiny sensor size (1/2.3")
no RAW files
lack of Time Lapse mode
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Vlogging Comparison

Sigma SD15 Vlogging factors
Sony TX30 Vlogging factors
9
can't record video
34
really wide (26mm)
has touchscreen
built in image stabilization (Optical)
video res high (1920 x 1080 pxls)
slow maximum aperture (f3.5)
does not feature selfie friendly screen
lack of mic jack
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Sigma SD15 vs Sony TX30 Specifications

Detailed spec comparison table for Sigma SD15 and Sony TX30
 Sigma SD15Sony Cyber-shot DSC-TX30
General Information
Company Sigma Sony
Model Sigma SD15 Sony Cyber-shot DSC-TX30
Class Advanced DSLR Ultracompact
Revealed 2010-02-20 2013-07-26
Body design Mid-size SLR Ultracompact
Sensor Information
Processor True II -
Sensor type CMOS (Foveon X3) BSI-CMOS
Sensor size APS-C 1/2.3"
Sensor dimensions 20.7 x 13.8mm 6.16 x 4.62mm
Sensor area 285.7mm² 28.5mm²
Sensor resolution 5 megapixels 18 megapixels
Anti aliasing filter
Aspect ratio 3:2 -
Max resolution 2640 x 1760 4896 x 3672
Max native ISO 1600 12800
Max enhanced ISO 3200 -
Min native ISO 100 80
RAW support
Min enhanced ISO 50 -
Autofocusing
Manual focus
Touch to focus
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Cross focus points - -
Lens
Lens mount Sigma SA fixed lens
Lens focal range - 26-130mm (5.0x)
Highest aperture - f/3.5-4.8
Available lenses 76 -
Focal length multiplier 1.7 5.8
Screen
Screen type Fixed Type Fixed Type
Screen size 3 inch 3.3 inch
Resolution of screen 460k dot 1,229k dot
Selfie friendly
Liveview
Touch capability
Screen technology - OLED monitor
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 96 percent -
Viewfinder magnification 0.6x -
Features
Minimum shutter speed 30 secs 4 secs
Fastest shutter speed 1/4000 secs 1/1600 secs
Continuous shutter speed 3.0fps 10.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Change white balance
Image stabilization
Integrated flash
External flash
AEB
White balance bracketing
Fastest flash sync 1/180 secs -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions - 1920 x 1080 (60, 50 fps)
Max video resolution None 1920x1080
Mic input
Headphone input
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 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 750 gr (1.65 lbs) 141 gr (0.31 lbs)
Dimensions 144 x 107 x 81mm (5.7" x 4.2" x 3.2") 96 x 59 x 15mm (3.8" x 2.3" x 0.6")
DXO scores
DXO Overall 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) -
Time lapse recording
Type of storage SD/SDHC card -
Storage slots Single Single
Launch cost $1,500 $230