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Sigma SD15 vs Sony A450

Portability
59
Imaging
44
Features
45
Overall
44
Sigma SD15 front
 
Sony Alpha DSLR-A450 front
Portability
65
Imaging
54
Features
52
Overall
53

Sigma SD15 vs Sony A450 Key Specs

Sigma SD15
(Full Review)
  • 5MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 1600 (Increase to 3200)
  • No Video
  • Sigma SA Mount
  • 750g - 144 x 107 x 81mm
  • Released February 2010
  • Superseded the Sigma SD14
Sony A450
(Full Review)
  • 14MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 200 - 12800
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 560g - 137 x 104 x 81mm
  • Launched January 2010
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Sigma SD15 vs Sony A450 Overview

Below, we are contrasting the Sigma SD15 versus Sony A450, former is a Advanced DSLR while the other is a Entry-Level DSLR by companies Sigma and Sony. There is a noticeable difference between the resolutions of the SD15 (5MP) and A450 (14MP) but they enjoy the exact same sensor sizing (APS-C).

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The SD15 was announced 2 months after the A450 which means that they are of a similar age. Both the cameras come with different body type with the Sigma SD15 being a Mid-size SLR camera and the Sony A450 being a Compact SLR camera.

Before diving through a thorough comparison, below is a quick highlight of how the SD15 grades vs the A450 with regard to portability, imaging, features and an overall mark.

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Reasons to pick Sigma SD15 over the Sony A450

 SD15 A450 
Display dimension3"2.7"Larger display (+0.3")
Display resolution460k230kClearer display (+230k dot)

Reasons to pick Sony A450 over the Sigma SD15

 A450 SD15 

Common features in the Sigma SD15 and Sony A450

 SD15 A450 
LaunchedFebruary 2010January 2010Similar age
Focus manually Dial exact focus
Display typeFixed Fixed Fixed display
Selfie screen Neither has selfie screen
Touch display Neither has Touch display

Sigma SD15 vs Sony A450 Physical Comparison

When you are intending to travel with your camera often, you have to factor in its weight and proportions. The Sigma SD15 has physical dimensions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") with a weight of 750 grams (1.65 lbs) and the Sony A450 has measurements of 137mm x 104mm x 81mm (5.4" x 4.1" x 3.2") having a weight of 560 grams (1.23 lbs).

Take a look at the Sigma SD15 versus Sony A450 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will vary dependant on the lens you are using at the time. Below is the front view dimensions comparison of the SD15 and the A450.

Sigma SD15 vs Sony A450 size comparison

Factoring in size and weight, the portability score of the SD15 and A450 is 59 and 65 respectively.

Sigma SD15 vs Sony A450 top view buttons comparison

Sigma SD15 vs Sony A450 Sensor Comparison

Often, it can be tough to visualize the contrast between sensor dimensions only by reading specifications. The pic below should offer you a far better sense of the sensor sizes in the SD15 and A450.

To sum up, each of these cameras posses the exact same sensor measurements but different megapixels. You can expect to see the Sony A450 to offer you greater detail with its extra 9 Megapixels. Greater resolution can also let you crop images somewhat more aggressively.

Sigma SD15 vs Sony A450 sensor size comparison

Sigma SD15 vs Sony A450 Screen and ViewFinder

Sigma SD15 vs Sony A450 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma SD15 Portrait photography advice
Sony A450 Portrait photography advice
50
focusing manually
good sensor size (APS-C)
saves RAW formats
doesn't have liveview
MP count low (5 megapixels)
72
focusing manually
MP count good (14MP)
sensor size is nice (APS-C)
supports RAW formats
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Street Comparison

Sigma SD15 Street photography highlights
Sony A450 Street photography highlights
52
good sensor size (APS-C)
saves RAW formats
screen is fixed
does not have image stabilization
66
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW formats
fixed screen
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Sports Comparison

Sigma SD15 as a Sports photography camera
Sony A450 as a Sports photography camera
38
good sensor size (APS-C)
supports phase detect auto focus
doesn't have liveview
slow frames per second (3.0 frames/s)
does not have image stabilization
MP count low (5MP)
77
built in image stabilization (Sensor based)
MP count good (14 megapixels)
sensor size is nice (APS-C)
great battery pack (1,050 shots)
has phase detect AF
Photography Glossary

Travel Comparison

Sigma SD15 Travel photography advice
Sony A450 Travel photography advice
42
flash built-in
does not have Time Lapse recording
MP count low (5MP)
display is not selfie friendly
60
great battery pack (1,050 CIPA)
MP count good (14MP)
flash built-in
doesn't have Time Lapse function
does not offer selfie friendly display
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Landscape Comparison

Sigma SD15 Landscape photography information
Sony A450 Landscape photography information
51
focusing manually
switch lenses (Sigma SA mount)
good sized screen (3 inch)
good sensor size (APS-C)
saves RAW formats
doesn't have liveview
does not have image stabilization
MP count low (5 megapixels)
does not have Time Lapse recording
66
focusing manually
switch lenses (Sony/Minolta Alpha mount)
built in image stabilization (Sensor based)
MP count good (14 megapixels)
sensor size is nice (APS-C)
supports RAW formats
great battery pack (1,050 shots)
small screen (2.7")
doesn't have Time Lapse function
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Vlogging Comparison

Sigma SD15 Vlogging details
Sony A450 Vlogging details
9
no video shooting
9
no video recording
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Sigma SD15 vs Sony A450 Specifications

Detailed spec comparison table for Sigma SD15 and Sony A450
 Sigma SD15Sony Alpha DSLR-A450
General Information
Company Sigma Sony
Model type Sigma SD15 Sony Alpha DSLR-A450
Category Advanced DSLR Entry-Level DSLR
Released 2010-02-20 2010-01-05
Physical type Mid-size SLR Compact SLR
Sensor Information
Chip True II Bionz
Sensor type CMOS (Foveon X3) CMOS
Sensor size APS-C APS-C
Sensor dimensions 20.7 x 13.8mm 23.4 x 15.6mm
Sensor surface area 285.7mm² 365.0mm²
Sensor resolution 5 megapixel 14 megapixel
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Highest Possible resolution 2640 x 1760 4592 x 3056
Maximum native ISO 1600 12800
Maximum enhanced ISO 3200 -
Minimum native ISO 100 200
RAW photos
Minimum enhanced ISO 50 -
Autofocusing
Manual focusing
Touch to focus
Continuous AF
AF single
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points - 9
Lens
Lens support Sigma SA Sony/Minolta Alpha
Amount of lenses 76 143
Focal length multiplier 1.7 1.5
Screen
Type of display Fixed Type Fixed Type
Display size 3 inches 2.7 inches
Resolution of display 460 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch screen
Display technology - TFT Clear Photo Color LCD
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentamirror)
Viewfinder coverage 96% 95%
Viewfinder magnification 0.6x 0.53x
Features
Min shutter speed 30s 30s
Max shutter speed 1/4000s 1/4000s
Continuous shutter rate 3.0 frames per second 7.0 frames per second
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change WB
Image stabilization
Built-in flash
Flash distance - 12.00 m (at ISO 100)
Flash modes - Auto, Fill, Rear Sync, Slow Sync, Wireless/ High Speed Sync
External flash
AEB
White balance bracketing
Max flash synchronize 1/180s 1/160s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Maximum video resolution None None
Mic port
Headphone port
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 sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 750 grams (1.65 lbs) 560 grams (1.23 lbs)
Dimensions 144 x 107 x 81mm (5.7" x 4.2" x 3.2") 137 x 104 x 81mm (5.4" x 4.1" x 3.2")
DXO scores
DXO Overall rating not tested 66
DXO Color Depth rating not tested 21.8
DXO Dynamic range rating not tested 11.8
DXO Low light rating not tested 769
Other
Battery life - 1050 photographs
Battery type - Battery Pack
Battery ID - NP-FM500H
Self timer Yes (10 sec) Yes (2 or 10 sec)
Time lapse recording
Storage type SD/SDHC card SD/ SDHC, Memory Stick Pro Duo/ Pro-HG Duo
Card slots 1 1
Retail pricing $1,500 $1,241