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Sigma SD10 vs Sony A100

Portability
54
Imaging
39
Features
27
Overall
34
Sigma SD10 front
 
Sony Alpha DSLR-A100 front
Portability
64
Imaging
48
Features
38
Overall
44

Sigma SD10 vs Sony A100 Key Specs

Sigma SD10
(Full Review)
  • 3MP - APS-C Sensor
  • 1.8" Fixed Display
  • ISO 100 - 800 (Boost to 1600)
  • 1/6000s Max Shutter
  • No Video
  • Sigma SA Mount
  • 950g - 152 x 120 x 79mm
  • Introduced March 2004
  • Earlier Model is Sigma SD9
  • Replacement is Sigma SD14
Sony A100
(Full Review)
  • 10MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 638g - 133 x 95 x 71mm
  • Introduced July 2006
  • Earlier Model is Konica Minolta 5D
  • Updated by Sony A550
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Sigma SD10 vs Sony A100 Overview

Below is a detailed review of the Sigma SD10 and Sony A100, one being a Advanced DSLR and the latter is a Entry-Level DSLR by competitors Sigma and Sony. There is a sizeable difference among the image resolutions of the SD10 (3MP) and A100 (10MP) but both cameras boast the same sensor size (APS-C).

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The SD10 was launched 3 years earlier than the A100 and that is a fairly large gap as far as camera tech is concerned. Both cameras have different body design with the Sigma SD10 being a Mid-size SLR camera and the Sony A100 being a Compact SLR camera.

Before diving straight to a step-by-step comparison, here is a quick synopsis of how the SD10 scores against the A100 when considering portability, imaging, features and an overall grade.

Photography Glossary

        

Reasons to pick Sigma SD10 over the Sony A100

 SD10 A100 

Reasons to pick Sony A100 over the Sigma SD10

 A100 SD10 
IntroducedJuly 2006March 2004More recent by 28 months
Screen dimensions2.5"1.8"Bigger screen (+0.7")
Screen resolution230k130kCrisper screen (+100k dot)

Common features in the Sigma SD10 and Sony A100

 SD10 A100 
Manual focus Dial accurate focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Neither has selfie screen
Touch friendly screen Neither has Touch friendly screen

Sigma SD10 vs Sony A100 Physical Comparison

For anyone who is looking to lug around your camera regularly, you'll have to factor in its weight and dimensions. The Sigma SD10 has outside dimensions of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") and a weight of 950 grams (2.09 lbs) while the Sony A100 has dimensions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") accompanied by a weight of 638 grams (1.41 lbs).

Compare the Sigma SD10 and Sony A100 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at that moment. Below is a front view measurement comparison of the SD10 versus the A100.

Sigma SD10 vs Sony A100 size comparison

Looking at size and weight, the portability score of the SD10 and A100 is 54 and 64 respectively.

Sigma SD10 vs Sony A100 top view buttons comparison

Sigma SD10 vs Sony A100 Sensor Comparison

Oftentimes, it's difficult to imagine the contrast in sensor measurements just by researching a spec sheet. The visual below will provide you a more clear sense of the sensor dimensions in the SD10 and A100.

Clearly, each of these cameras have the same sensor dimensions albeit different megapixels. You should count on the Sony A100 to render more detail utilizing its extra 7MP. Higher resolution will let you crop shots a bit more aggressively. The older SD10 will be disadvantaged when it comes to sensor innovation.

Sigma SD10 vs Sony A100 sensor size comparison

Sigma SD10 vs Sony A100 Screen and ViewFinder

Sigma SD10 vs Sony A100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma SD10 Portrait photography info
Sony A100 Portrait photography info
47
you can focus manually
sensor size is good (APS-C)
delivers RAW files
doesn't have liveview
sensor resolution low (3 megapixels)
52
focusing manually
decent sensor size (APS-C)
delivers RAW formats
no liveview feature
MP count low (10 megapixels)
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Street Comparison

Sigma SD10 Street photography details
Sony A100 Street photography details
43
sensor size is good (APS-C)
delivers RAW files
no moving screen
no image stabilization
more heavy than competitors (950g)
maximum ISO low (800)
64
built in image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW formats
no moving screen
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Sports Comparison

Sports photography with Sigma SD10
Sports photography with Sony A100
36
maximum shutter speed is high (1/6,000s)
sensor size is good (APS-C)
doesn't have liveview
no image stabilization
sensor resolution low (3MP)
no phase detect AF
49
built in image stabilization (Sensor based)
decent sensor size (APS-C)
supports phase detect autofocus
no liveview feature
continuous shooting slow (3.0 frames per second)
MP count low (10MP)
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Travel Comparison

Sigma SD10 Travel photography information
Sony A100 Travel photography information
29
doesn't have Timelapse mode
more heavy than competitors (950g)
sensor resolution low (3MP)
display isn't selfie friendly
45
built-in flash
no Time Lapse function
MP count low (10MP)
display is not selfie friendly
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Landscape Comparison

Sigma SD10 as a Landscape photography camera
Sony A100 as a Landscape photography camera
41
you can focus manually
interchangeable lenses (Sigma SA mount)
sensor size is good (APS-C)
delivers RAW files
tiny screen (1.8")
doesn't have liveview
no image stabilization
sensor resolution low (3 megapixels)
maximum ISO low (800)
doesn't have Timelapse mode
53
focusing manually
switch lenses (Sony/Minolta Alpha mount)
built in image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW formats
screen is somewhat small (2.5 inch)
no liveview feature
MP count low (10 megapixels)
no Time Lapse function
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Vlogging Comparison

Sigma SD10 Vlogging info
Sony A100 Vlogging info
9
can't shoot video
9
no video
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Sigma SD10 vs Sony A100 Specifications

Detailed spec comparison table for Sigma SD10 and Sony A100
 Sigma SD10Sony Alpha DSLR-A100
General Information
Manufacturer Sigma Sony
Model type Sigma SD10 Sony Alpha DSLR-A100
Type Advanced DSLR Entry-Level DSLR
Introduced 2004-03-19 2006-07-31
Physical type Mid-size SLR Compact SLR
Sensor Information
Sensor type CMOS (Foveon X3) CCD
Sensor size APS-C APS-C
Sensor dimensions 20.7 x 13.8mm 23.6 x 15.8mm
Sensor area 285.7mm² 372.9mm²
Sensor resolution 3 megapixel 10 megapixel
Anti alias filter
Aspect ratio 3:2 3:2
Peak resolution 2268 x 1512 3872 x 2592
Highest native ISO 800 1600
Highest enhanced ISO 1600 -
Minimum native ISO 100 100
RAW support
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points - 9
Lens
Lens mount type Sigma SA Sony/Minolta Alpha
Number of lenses 76 143
Focal length multiplier 1.7 1.5
Screen
Display type Fixed Type Fixed Type
Display diagonal 1.8" 2.5"
Display resolution 130k dots 230k dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentamirror)
Viewfinder coverage 98 percent 95 percent
Viewfinder magnification 0.77x 0.55x
Features
Minimum shutter speed 30s 30s
Fastest shutter speed 1/6000s 1/4000s
Continuous shutter rate - 3.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Integrated flash
Flash distance no built-in flash -
Flash settings - Auto, Fill-in, Red-Eye reduction, Slow Sync, Off
Hot shoe
AEB
White balance bracketing
Fastest flash synchronize 1/180s 1/160s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Highest video resolution None None
Mic port
Headphone port
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 sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 950g (2.09 lb) 638g (1.41 lb)
Physical dimensions 152 x 120 x 79mm (6.0" x 4.7" x 3.1") 133 x 95 x 71mm (5.2" x 3.7" x 2.8")
DXO scores
DXO Overall rating not tested 61
DXO Color Depth rating not tested 22.0
DXO Dynamic range rating not tested 11.2
DXO Low light rating not tested 476
Other
Battery ID - NP-FM55H
Self timer Yes (10 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage Compact Flash Type I or II Compact Flash (Type I or II)
Card slots 1 1
Retail price $198 $1,000