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Sony A900 vs Sony a1

Portability
54
Imaging
67
Features
62
Overall
65
Sony Alpha DSLR-A900 front
 
Sony Alpha a1 front
Portability
61
Imaging
82
Features
93
Overall
86

Sony A900 vs Sony a1 Key Specs

Sony A900
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Released October 2008
  • Successor is Sony A99
Sony a1
(Full Review)
  • 50MP - Full frame Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Raise to 102400)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 7680 x 4320 video
  • Sony E Mount
  • 737g - 129 x 97 x 70mm
  • Introduced January 2021
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Sony A900 vs Sony a1 Overview

Following is a detailed overview of the Sony A900 vs Sony a1, one is a Advanced DSLR and the other is a Pro Mirrorless and both are produced by Sony. There is a big difference between the resolutions of the A900 (25MP) and a1 (50MP) but both cameras have the same sensor dimensions (Full frame).

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The A900 was manufactured 13 years earlier than the a1 which is quite a big gap as far as tech is concerned. Both of the cameras have different body design with the Sony A900 being a Mid-size SLR camera and the Sony a1 being a SLR-style mirrorless camera.

Before delving right into a full comparison, here is a simple introduction of how the A900 grades against the a1 when considering portability, imaging, features and an overall score.

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Reasons to pick Sony A900 over the Sony a1

 A900 a1 

Reasons to pick Sony a1 over the Sony A900

 a1 A900 
IntroducedJanuary 2021October 2008More modern by 149 months
Display typeTiltingFixed Tilting display
Display resolution1440k922kSharper display (+518k dot)
Touch friendly display Easily navigate

Common features in the Sony A900 and Sony a1

 A900 a1 
Manual focus More exact focusing
Display dimensions3"3"Equal display sizing
Selfie screen Lack of selfie screen

Sony A900 vs Sony a1 Physical Comparison

In case you're looking to carry around your camera, you'll have to think about its weight and measurements. The Sony A900 comes with outside dimensions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") along with a weight of 895 grams (1.97 lbs) while the Sony a1 has proportions of 129mm x 97mm x 70mm (5.1" x 3.8" x 2.8") having a weight of 737 grams (1.62 lbs).

Analyze the Sony A900 vs Sony a1 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilising at the time. Below is a front view physical size comparison of the A900 against the a1.

Sony A900 vs Sony a1 size comparison

Taking into account size and weight, the portability score of the A900 and a1 is 54 and 61 respectively.

Sony A900 vs Sony a1 top view buttons comparison

Sony A900 vs Sony a1 Sensor Comparison

Generally, it is very hard to picture the gap between sensor sizes purely by looking at a spec sheet. The pic below will offer you a greater sense of the sensor dimensions in the A900 and a1.

As you can see, both the cameras provide the same sensor dimensions but different resolution. You should expect to see the Sony a1 to resolve more detail due to its extra 25 Megapixels. Greater resolution can also make it easier to crop pics more aggressively. The more aged A900 is going to be behind with regard to sensor tech.

Sony A900 vs Sony a1 sensor size comparison

Sony A900 vs Sony a1 Screen and ViewFinder

Sony A900 vs Sony a1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A900 Portrait photography information
Sony a1 Portrait photography information
72
has manual focus
megapixel count fantastic (25 megapixels)
sensor size is big (Full frame)
saves RAW files
no liveview feature
89
has manual focus
above average flash sync speed (1/400 seconds)
sensor resolution is high (50 megapixels)
sensor size is big (Full frame)
provides face detect focusing
exports RAW formats
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Street Comparison

Sony A900 Street photography factors
Sony a1 Street photography factors
66
has image stabilization (Sensor based)
sensor size is big (Full frame)
saves RAW files
environment proof
fixed screen
79
screen tilts
has image stabilization (Sensor based 5-axis)
sensor size is big (Full frame)
exports RAW formats
includes focus via touch
weather sealing
great high ISO (32,000)
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Sports Comparison

Sports photography with Sony A900
Sports photography with Sony a1
71
high shutter speed (1/8,000 seconds)
has image stabilization (Sensor based)
megapixel count fantastic (25 megapixels)
sensor size is big (Full frame)
environment proof
sensor has phase detect autofocus
no liveview feature
continuous shooting slow (5.0 frames/s)
91
high shutter speed (1/8,000s)
silent shutter (1/32,000s)
high max fps (30.0 frames/s)
has image stabilization (Sensor based 5-axis)
sensor resolution is high (50 megapixels)
sensor size is big (Full frame)
provides tracking focus
weather sealing
better than average battery power (530 CIPA)
has phase detect AF
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Travel Comparison

Sony A900 as a Travel photography camera
Sony a1 as a Travel photography camera
55
environment proof
megapixel count fantastic (25MP)
missing Time Lapse recording
doesn't offer selfie friendly display
74
better than average battery power (530 per charge)
weather sealing
has bluetooth
includes focus via touch
sensor resolution is high (50 megapixels)
doesn't have a selfie friendly screen
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Landscape Comparison

Sony A900 Landscape photography info
Sony a1 Landscape photography info
73
has manual focus
switch lenses (Sony/Minolta Alpha mount)
screen is a good size (3 inches)
has image stabilization (Sensor based)
megapixel count fantastic (25 megapixels)
sensor size is big (Full frame)
saves RAW files
environment proof
2 card slots
no liveview feature
missing Time Lapse recording
88
has manual focus
swap lenses (Sony E mount)
pretty good screen size (3 inch)
has image stabilization (Sensor based 5-axis)
sensor resolution is high (50MP)
sensor size is big (Full frame)
great high ISO (32,000)
exports RAW formats
weather sealing
better than average battery power (530 per charge)
2 card slots
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Vlogging Comparison

Sony A900 Vlogging highlights
Sony a1 Vlogging highlights
9
no video
37
built-in touchscreen
has image stabilization (Sensor based 5-axis)
provides face detect focusing
video res high (7680 x 4320 pixels)
has microphone support
doesn't have a selfie friendly screen
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Sony A900 vs Sony a1 Specifications

Detailed spec comparison table for Sony A900 and Sony a1
 Sony Alpha DSLR-A900Sony Alpha a1
General Information
Make Sony Sony
Model type Sony Alpha DSLR-A900 Sony Alpha a1
Class Advanced DSLR Pro Mirrorless
Released 2008-10-22 2021-01-26
Physical type Mid-size SLR SLR-style mirrorless
Sensor Information
Processor Chip Bionz -
Sensor type CMOS BSI-CMOS
Sensor size Full frame Full frame
Sensor measurements 35.9 x 24mm 35.9 x 24mm
Sensor area 861.6mm² 861.6mm²
Sensor resolution 25 megapixels 50 megapixels
Anti alias filter
Aspect ratio 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Highest resolution 6048 x 4032 8640 x 5760
Highest native ISO 6400 32000
Highest boosted ISO - 102400
Min native ISO 100 100
RAW pictures
Min boosted ISO - 50
Autofocusing
Manual focusing
AF touch
AF continuous
Single AF
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 9 759
Lens
Lens mount type Sony/Minolta Alpha Sony E
Total lenses 143 133
Crop factor 1 1
Screen
Type of screen Fixed Type Tilting
Screen size 3 inch 3 inch
Resolution of screen 922k dots 1,440k dots
Selfie friendly
Liveview
Touch function
Screen tech TFT Xtra Fine color LCD -
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 9,437k dots
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.74x 0.9x
Features
Lowest shutter speed 30 secs 30 secs
Highest shutter speed 1/8000 secs 1/8000 secs
Highest silent shutter speed - 1/32000 secs
Continuous shooting rate 5.0fps 30.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash distance no built-in flash no built-in flash
Flash modes Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync
Hot shoe
AEB
WB bracketing
Highest flash synchronize 1/250 secs 1/400 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions - 7680x4320 (30p, 25p, 23.98)
Highest video resolution None 7680x4320
Video data format - XAVC S, XAVC HS, H.264, H.265
Microphone support
Headphone support
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) Yes
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 895 grams (1.97 lbs) 737 grams (1.62 lbs)
Physical dimensions 156 x 117 x 82mm (6.1" x 4.6" x 3.2") 129 x 97 x 70mm (5.1" x 3.8" x 2.8")
DXO scores
DXO All around rating 79 not tested
DXO Color Depth rating 23.7 not tested
DXO Dynamic range rating 12.3 not tested
DXO Low light rating 1431 not tested
Other
Battery life 880 images 530 images
Style of battery Battery Pack Battery Pack
Battery ID NP-FM500H NP-FZ100
Self timer Yes (2 or 10 sec) Yes
Time lapse feature
Storage type Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32 Dual SD/CFexpress Type A slots (UHS-II supported)
Card slots Dual Dual
Launch price $2,736 $6,498