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Sigma DP1 vs Sony A900

Portability
87
Imaging
43
Features
30
Overall
37
Sigma DP1 front
 
Sony Alpha DSLR-A900 front
Portability
54
Imaging
67
Features
62
Overall
65

Sigma DP1 vs Sony A900 Key Specs

Sigma DP1
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 800
  • No Video
  • 28mm (F) lens
  • 270g - 113 x 60 x 50mm
  • Launched May 2008
  • New Model is Sigma DP1s
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
  • Announced October 2008
  • Later Model is Sony A99
Photography Glossary

Sigma DP1 vs Sony A900 Overview

Let's look more in depth at the Sigma DP1 vs Sony A900, former is a Large Sensor Compact while the latter is a Advanced DSLR by manufacturers Sigma and Sony. There exists a large gap among the resolutions of the DP1 (5MP) and A900 (25MP) and the DP1 (APS-C) and A900 (Full frame) provide different sensor dimensions.

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The DP1 was manufactured 5 months earlier than the A900 which means that they are of a similar age. The two cameras feature different body design with the Sigma DP1 being a Large Sensor Compact camera and the Sony A900 being a Mid-size SLR camera.

Before delving right into a comprehensive comparison, here is a concise introduction of how the DP1 matches up vs the A900 when considering portability, imaging, features and an overall mark.

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Reasons to pick Sigma DP1 over the Sony A900

 DP1 A900 

Reasons to pick Sony A900 over the Sigma DP1

 A900 DP1 
Screen size3"2.5"Bigger screen (+0.5")
Screen resolution922k230kSharper screen (+692k dot)

Common features in the Sigma DP1 and Sony A900

 DP1 A900 
AnnouncedMay 2008October 2008Same age
Manually focus More precise focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Neither provides selfie screen
Touch screen Neither provides Touch screen

Sigma DP1 vs Sony A900 Physical Comparison

In case you're intending to travel with your camera frequently, you have to consider its weight and measurements. The Sigma DP1 provides exterior measurements of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") having a weight of 270 grams (0.60 lbs) whilst the Sony A900 has proportions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") along with a weight of 895 grams (1.97 lbs).

Analyze the Sigma DP1 vs Sony A900 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will differ dependant on the lens you have attached at that moment. Below is a front view dimensions comparison of the DP1 vs the A900.

Sigma DP1 vs Sony A900 size comparison

Taking into account dimensions and weight, the portability rating of the DP1 and A900 is 87 and 54 respectively.

Sigma DP1 vs Sony A900 top view buttons comparison

Sigma DP1 vs Sony A900 Sensor Comparison

Normally, it is very hard to visualize the gap in sensor dimensions just by viewing specifications. The pic underneath will offer you a stronger sense of the sensor sizing in the DP1 and A900.

Plainly, both the cameras feature different megapixels and different sensor dimensions. The DP1 because of its smaller sensor is going to make achieving bokeh trickier and the Sony A900 will result in more detail due to its extra 20MP. Higher resolution will allow you to crop pictures way more aggressively.

Sigma DP1 vs Sony A900 sensor size comparison

Sigma DP1 vs Sony A900 Screen and ViewFinder

Sigma DP1 vs Sony A900 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Sigma DP1
Portrait photography with Sony A900
55
you can focus manually
decent sensor size (APS-C)
supports RAW formats
sensor resolution not great (5 megapixels)
72
has manual focus
MP count amazing (25 megapixels)
large sensor size (Full frame)
saves RAW formats
no liveview
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Street Comparison

Sigma DP1 Street photography information
Sony A900 Street photography information
64
decent sensor size (APS-C)
supports RAW formats
lighter than others in class (270g)
screen is fixed
does not have image stabilization
maximum ISO low (800)
66
built in image stabilization (Sensor based)
large sensor size (Full frame)
saves RAW formats
weather proofing
screen is fixed
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Sports Comparison

Sigma DP1 Sports photography info
Sony A900 Sports photography info
31
decent sensor size (APS-C)
focal length is fixed (28mm)
does not have image stabilization
sensor resolution not great (5 megapixels)
lacks phase detect auto focus
71
max shutter speed is good (1/8,000s)
built in image stabilization (Sensor based)
MP count amazing (25MP)
large sensor size (Full frame)
weather proofing
sensor has phase detect auto focus
no liveview
continuous shooting slow (5.0 frames/s)
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Travel Comparison

Sigma DP1 Travel photography features
Sony A900 Travel photography features
63
lighter than others in class (270 grams)
built-in flash
great max aperture (f)
missing Timelapse mode
sensor resolution not great (5 megapixels)
does not offer selfie friendly screen
55
weather proofing
MP count amazing (25 megapixels)
doesn't have Timelapse function
screen is not selfie friendly
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Landscape Comparison

Sigma DP1 as a Landscape photography camera
Sony A900 as a Landscape photography camera
44
you can focus manually
great max aperture (f)
decent sensor size (APS-C)
supports RAW formats
fixed lens (fixed lens mount)
focal length is fixed (28mm)
small screen (2.5 inches)
does not have image stabilization
sensor resolution not great (5MP)
maximum ISO low (800)
missing Timelapse mode
73
has manual focus
swap lenses (Sony/Minolta Alpha mount)
screen size is decent (3 inch)
built in image stabilization (Sensor based)
MP count amazing (25 megapixels)
large sensor size (Full frame)
saves RAW formats
weather proofing
has double storage slots
no liveview
doesn't have Timelapse function
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Vlogging Comparison

Sigma DP1 Vlogging factors
Sony A900 Vlogging factors
9
no video recording
9
no video
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Sigma DP1 vs Sony A900 Specifications

Detailed spec comparison table for Sigma DP1 and Sony A900
 Sigma DP1Sony Alpha DSLR-A900
General Information
Brand Sigma Sony
Model type Sigma DP1 Sony Alpha DSLR-A900
Type Large Sensor Compact Advanced DSLR
Launched 2008-05-19 2008-10-22
Body design Large Sensor Compact Mid-size SLR
Sensor Information
Powered by - Bionz
Sensor type CMOS (Foveon X3) CMOS
Sensor size APS-C Full frame
Sensor measurements 20.7 x 13.8mm 35.9 x 24mm
Sensor surface area 285.7mm² 861.6mm²
Sensor resolution 5MP 25MP
Anti alias filter
Aspect ratio 3:2 3:2 and 16:9
Maximum resolution 2640 x 1760 6048 x 4032
Maximum native ISO 800 6400
Lowest native ISO 100 100
RAW format
Autofocusing
Focus manually
Touch focus
AF continuous
AF single
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Total focus points - 9
Lens
Lens support fixed lens Sony/Minolta Alpha
Lens zoom range 28mm (1x) -
Number of lenses - 143
Crop factor 1.7 1
Screen
Screen type Fixed Type Fixed Type
Screen sizing 2.5 inches 3 inches
Screen resolution 230 thousand dot 922 thousand dot
Selfie friendly
Liveview
Touch functionality
Screen tech - TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder None Optical (pentaprism)
Viewfinder coverage - 100%
Viewfinder magnification - 0.74x
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/4000 seconds 1/8000 seconds
Continuous shooting speed - 5.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance - no built-in flash
Flash modes - Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless
Hot shoe
AEB
WB bracketing
Maximum flash sync - 1/250 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Maximum video resolution None None
Microphone jack
Headphone jack
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
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 270 grams (0.60 pounds) 895 grams (1.97 pounds)
Physical dimensions 113 x 60 x 50mm (4.4" x 2.4" x 2.0") 156 x 117 x 82mm (6.1" x 4.6" x 3.2")
DXO scores
DXO All around rating not tested 79
DXO Color Depth rating not tested 23.7
DXO Dynamic range rating not tested 12.3
DXO Low light rating not tested 1431
Other
Battery life - 880 photographs
Type of battery - Battery Pack
Battery ID - NP-FM500H
Self timer Yes (10 sec) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/MMC card Compact Flash (Type I or II), Memory Stick Duo / Pro Duo, UDMA Mode 5, Supports FAT12 / FAT16 / FAT32
Storage slots Single 2
Cost at launch $566 $2,736