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Sony A100 vs Sony A900

Portability
64
Imaging
48
Features
38
Overall
44
Sony Alpha DSLR-A100 front
 
Sony Alpha DSLR-A900 front
Portability
54
Imaging
66
Features
62
Overall
64

Sony A100 vs Sony A900 Key Specs

Sony A100
(Full Review)
  • 10MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 638g - 133 x 95 x 71mm
  • Revealed July 2006
  • Previous Model is Konica Minolta 5D
  • Replacement is Sony A550
Sony A900
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Announced October 2008
  • New Model is Sony A99
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Sony A100 vs Sony A900 Overview

Here, we are evaluating the Sony A100 versus Sony A900, former is a Entry-Level DSLR while the other is a Advanced DSLR and both of them are manufactured by Sony. There is a noticeable difference among the resolutions of the A100 (10MP) and A900 (25MP) and the A100 (APS-C) and A900 (Full frame) posses different sensor size.

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The A100 was announced 3 years earlier than the A900 which is a fairly sizable difference as far as camera tech is concerned. The two cameras feature different body design with the Sony A100 being a Compact SLR camera and the Sony A900 being a Mid-size SLR camera.

Before we go straight to a detailed comparison, here is a short view of how the A100 matches up versus the A900 in regards to portability, imaging, features and an overall mark.

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Reasons to pick Sony A100 over the Sony A900

 A100 A900 

Reasons to pick Sony A900 over the Sony A100

 A900 A100 
AnnouncedOctober 2008July 2006Newer by 27 months
Display size3"2.5"Larger display (+0.5")
Display resolution922k230kClearer display (+692k dot)

Common features in the Sony A100 and Sony A900

 A100 A900 
Focus manually More accurate focus
Display typeFixed Fixed Fixed display
Selfie screen Neither offers selfie screen
Touch display Neither offers Touch display

Sony A100 vs Sony A900 Physical Comparison

When you are aiming to travel with your camera often, you will need to take into account its weight and dimensions. The Sony A100 offers outer 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) whilst the Sony A900 has dimensions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") with a weight of 895 grams (1.97 lbs).

Analyze the Sony A100 versus Sony A900 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will vary dependant on the lens you are utilising at that time. Following is a front view sizing comparison of the A100 compared to the A900.

Sony A100 vs Sony A900 size comparison

Looking at size and weight, the portability rating of the A100 and A900 is 64 and 54 respectively.

Sony A100 vs Sony A900 top view buttons comparison

Sony A100 vs Sony A900 Sensor Comparison

Usually, it is very tough to picture the difference in sensor dimensions purely by researching specifications. The picture here will provide you a far better sense of the sensor dimensions in the A100 and A900.

To sum up, the 2 cameras come with different megapixels and different sensor dimensions. The A100 with its smaller sensor is going to make shooting shallow depth of field harder and the Sony A900 will render more detail with its extra 15MP. Greater resolution will also allow you to crop photos a good deal more aggressively. The more aged A100 will be disadvantaged in sensor innovation.

Sony A100 vs Sony A900 sensor size comparison

Sony A100 vs Sony A900 Screen and ViewFinder

Sony A100 vs Sony A900 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A100 Portrait photography details
Sony A900 Portrait photography details
52
you can focus manually
sensor size is nice (APS-C)
supports RAW formats
no liveview feature
sensor resolution low (10MP)
71
manual focus
fantastic resolution (25MP)
sensor size is big (Full frame)
supports RAW files
doesn't have liveview
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Street Comparison

Sony A100 Street photography factors
Sony A900 Street photography factors
64
has image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW formats
no moving screen
66
has image stabilization (Sensor based)
sensor size is big (Full frame)
supports RAW files
environment sealing
screen does not articulate
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Sports Comparison

Sony A100 Sports photography details
Sony A900 Sports photography details
49
has image stabilization (Sensor based)
sensor size is nice (APS-C)
supports phase detect auto focus
no liveview feature
slow frames per second (3.0 fps)
sensor resolution low (10MP)
70
max shutter speed is good (1/8,000s)
has image stabilization (Sensor based)
fantastic resolution (25MP)
sensor size is big (Full frame)
environment sealing
sensor has phase detect autofocus
doesn't have liveview
max frames per second low (5.0 fps)
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Travel Comparison

Sony A100 Travel photography features
Sony A900 Travel photography features
45
has built in flash
doesn't have Timelapse recording
sensor resolution low (10 megapixels)
display is not selfie friendly
54
environment sealing
fantastic resolution (25MP)
does not have Timelapse recording
does not offer selfie friendly display
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Landscape Comparison

Sony A100 as a Landscape photography camera
Sony A900 as a Landscape photography camera
53
you can focus manually
switch lenses (Sony/Minolta Alpha mount)
has image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW formats
screen is somewhat small (2.5")
no liveview feature
sensor resolution low (10 megapixels)
doesn't have Timelapse recording
72
manual focus
switch lenses (Sony/Minolta Alpha mount)
pretty good screen size (3 inch)
has image stabilization (Sensor based)
fantastic resolution (25MP)
sensor size is big (Full frame)
supports RAW files
environment sealing
2 card slots
doesn't have liveview
does not have Timelapse recording
Photography Glossary

Vlogging Comparison

Sony A100 Vlogging information
Sony A900 Vlogging information
9
no video
9
can't record video
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Sony A100 vs Sony A900 Specifications

Detailed spec comparison table for Sony A100 and Sony A900
 Sony Alpha DSLR-A100Sony Alpha DSLR-A900
General Information
Brand Name Sony Sony
Model Sony Alpha DSLR-A100 Sony Alpha DSLR-A900
Type Entry-Level DSLR Advanced DSLR
Revealed 2006-07-31 2008-10-22
Physical type Compact SLR Mid-size SLR
Sensor Information
Powered by - Bionz
Sensor type CCD CMOS
Sensor size APS-C Full frame
Sensor measurements 23.6 x 15.8mm 35.9 x 24mm
Sensor area 372.9mm² 861.6mm²
Sensor resolution 10 megapixel 25 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Peak resolution 3872 x 2592 6048 x 4032
Highest native ISO 1600 6400
Min native ISO 100 100
RAW pictures
Autofocusing
Manual focus
AF touch
AF continuous
AF single
AF tracking
Selective AF
AF center weighted
Multi area AF
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 9 9
Lens
Lens mount Sony/Minolta Alpha Sony/Minolta Alpha
Number of lenses 143 143
Focal length multiplier 1.5 1
Screen
Type of display Fixed Type Fixed Type
Display sizing 2.5 inches 3 inches
Resolution of display 230k dots 922k dots
Selfie friendly
Liveview
Touch function
Display tech - TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder Optical (pentamirror) Optical (pentaprism)
Viewfinder coverage 95 percent 100 percent
Viewfinder magnification 0.55x 0.74x
Features
Min shutter speed 30 secs 30 secs
Max shutter speed 1/4000 secs 1/8000 secs
Continuous shutter rate 3.0 frames/s 5.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash range - no built-in flash
Flash settings Auto, Fill-in, Red-Eye reduction, Slow Sync, Off Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless
External flash
Auto exposure bracketing
WB bracketing
Max flash synchronize 1/160 secs 1/250 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Highest video resolution None None
Microphone 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
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 638 gr (1.41 pounds) 895 gr (1.97 pounds)
Physical dimensions 133 x 95 x 71mm (5.2" x 3.7" x 2.8") 156 x 117 x 82mm (6.1" x 4.6" x 3.2")
DXO scores
DXO Overall score 61 79
DXO Color Depth score 22.0 23.7
DXO Dynamic range score 11.2 12.3
DXO Low light score 476 1431
Other
Battery life - 880 shots
Style of battery - Battery Pack
Battery model NP-FM55H NP-FM500H
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage type Compact Flash (Type I or II) Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32
Card slots 1 Two
Retail pricing $1,000 $2,736