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Sigma DP1 Merrill vs Sony A550

Portability
82
Imaging
55
Features
30
Overall
45
Sigma DP1 Merrill front
 
Sony Alpha DSLR-A550 front
Portability
63
Imaging
53
Features
65
Overall
57

Sigma DP1 Merrill vs Sony A550 Key Specs

Sigma DP1 Merrill
(Full Review)
  • 15MP - APS-C Sensor
  • " Fixed Display
  • ISO 100 - 6400
  • 640 x 480 video
  • ()mm (F2.8) lens
  • 330g - 122 x 67 x 64mm
  • Announced February 2012
  • Replacement is Sigma DP2 Merrill
Sony A550
(Full Review)
  • 14MP - APS-C Sensor
  • 3" Tilting Display
  • ISO 200 - 12800
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 632g - 137 x 104 x 84mm
  • Introduced December 2009
  • Superseded the Sony A100
Photography Glossary

Sigma DP1 Merrill vs Sony A550 Overview

The following is a extensive overview of the Sigma DP1 Merrill and Sony A550, former is a Large Sensor Compact while the other is a Entry-Level DSLR by rivals Sigma and Sony. The sensor resolution of the DP1 Merrill (15MP) and the A550 (14MP) is very similar and both cameras provide the identical sensor measurements (APS-C).

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The DP1 Merrill was revealed 2 years after the A550 which is quite a large difference as far as technology is concerned. Both of the cameras feature different body design with the Sigma DP1 Merrill being a Large Sensor Compact camera and the Sony A550 being a Compact SLR camera.

Before delving right into a thorough comparison, here is a short summary of how the DP1 Merrill matches up against the A550 for portability, imaging, features and an overall mark.

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Reasons to pick Sigma DP1 Merrill over the Sony A550

 DP1 Merrill A550 
IntroducedFebruary 2012December 2009Newer by 27 months

Reasons to pick Sony A550 over the Sigma DP1 Merrill

 A550 DP1 Merrill 
Display typeTiltingFixed Tilting display
Display size3""Larger display (+3")
Display resolution922k920kSharper display (+2k dot)

Common features in the Sigma DP1 Merrill and Sony A550

 DP1 Merrill A550 
Manually focus Dial precise focus
Selfie screen Missing selfie screen
Touch friendly display Neither has Touch friendly display

Sigma DP1 Merrill vs Sony A550 Physical Comparison

If you're going to travel with your camera often, you'll have to take into account its weight and proportions. The Sigma DP1 Merrill has external measurements of 122mm x 67mm x 64mm (4.8" x 2.6" x 2.5") with a weight of 330 grams (0.73 lbs) whilst the Sony A550 has measurements of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") having a weight of 632 grams (1.39 lbs).

Look at the Sigma DP1 Merrill and Sony A550 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will change dependant on the lens you are using at that moment. Following is a front view size comparison of the DP1 Merrill vs the A550.

Sigma DP1 Merrill vs Sony A550 size comparison

Considering dimensions and weight, the portability grade of the DP1 Merrill and A550 is 82 and 63 respectively.

Sigma DP1 Merrill vs Sony A550 top view buttons comparison

Sigma DP1 Merrill vs Sony A550 Sensor Comparison

Sometimes, its hard to visualize the contrast between sensor dimensions only by reading specs. The pic underneath will help offer you a clearer sense of the sensor measurements in the DP1 Merrill and A550.

As you can plainly see, both of those cameras come with the identical sensor size but different megapixels. You can expect to see the Sigma DP1 Merrill to offer extra detail because of its extra 1 Megapixels. Greater resolution will also enable you to crop pics a good deal more aggressively. The more modern DP1 Merrill should have a benefit when it comes to sensor innovation.

Sigma DP1 Merrill vs Sony A550 sensor size comparison

Sigma DP1 Merrill vs Sony A550 Screen and ViewFinder

Sigma DP1 Merrill vs Sony A550 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma DP1 Merrill as a Portrait photography camera
Sony A550 as a Portrait photography camera
73
focusing manually
megapixel count decent (15 megapixels)
nice sensor size (APS-C)
exports RAW files
71
manual focus
good MP (14 megapixels)
sensor size is good (APS-C)
provides face detection focusing
supports RAW formats
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Street Comparison

Sigma DP1 Merrill Street photography features
Sony A550 Street photography features
64
nice sensor size (APS-C)
exports RAW files
screen is fixed
lack of image stabilization
74
tilting screen
image stabilization (Sensor based)
sensor size is good (APS-C)
supports RAW formats
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Sports Comparison

Sports photography with Sigma DP1 Merrill
Sports photography with Sony A550
47
megapixel count decent (15 megapixels)
nice sensor size (APS-C)
focal length is fixed (()mm)
lack of image stabilization
has no phase detect AF
66
image stabilization (Sensor based)
good MP (14 megapixels)
sensor size is good (APS-C)
supports phase detect AF
low battery pack (480 CIPA)
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Travel Comparison

Sigma DP1 Merrill Travel photography highlights
Sony A550 Travel photography highlights
53
megapixel count decent (15MP)
does not have Timelapse function
doesn't posses selfie friendly screen
somewhat slow maximum aperture (f2.8)
51
good MP (14MP)
built-in flash
missing Time Lapse recording
low battery pack (480 per charge)
display is not selfie friendly
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Landscape Comparison

Sigma DP1 Merrill Landscape photography highlights
Sony A550 Landscape photography highlights
50
focusing manually
megapixel count decent (15 megapixels)
nice sensor size (APS-C)
exports RAW files
cannot change lenses (fixed lens mount)
focal length is fixed (()mm)
somewhat slow maximum aperture (f2.8)
small screen ( inches)
lack of image stabilization
does not have Timelapse function
66
manual focus
switch lenses (Sony/Minolta Alpha mount)
nice screen size (3")
image stabilization (Sensor based)
good MP (14 megapixels)
sensor size is good (APS-C)
supports RAW formats
low battery pack (480 shots)
missing Time Lapse recording
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Vlogging Comparison

Sigma DP1 Merrill Vlogging highlights
Sony A550 Vlogging highlights
21
somewhat slow maximum aperture (f2.8)
doesn't posses selfie friendly screen
lack of image stabilization
low quality video (640 x 480 pixels)
does not have microphone support
9
can't shoot video
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Sigma DP1 Merrill vs Sony A550 Specifications

Detailed spec comparison table for Sigma DP1 Merrill and Sony A550
 Sigma DP1 MerrillSony Alpha DSLR-A550
General Information
Brand Sigma Sony
Model type Sigma DP1 Merrill Sony Alpha DSLR-A550
Category Large Sensor Compact Entry-Level DSLR
Announced 2012-02-08 2009-12-09
Body design Large Sensor Compact Compact SLR
Sensor Information
Chip Dual TRUE II engine Bionz
Sensor type CMOS (Foveon X3) CMOS
Sensor size APS-C APS-C
Sensor dimensions 24 x 16mm 23.4 x 15.6mm
Sensor area 384.0mm² 365.0mm²
Sensor resolution 15 megapixels 14 megapixels
Anti alias filter
Aspect ratio - 3:2 and 16:9
Highest Possible resolution 4704 x 3136 4592 x 3056
Maximum native ISO 6400 12800
Minimum native ISO 100 200
RAW data
Autofocusing
Manual focusing
Touch to focus
Continuous autofocus
Autofocus single
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detect focus
Contract detect focus
Phase detect focus
Total focus points - 9
Lens
Lens support fixed lens Sony/Minolta Alpha
Lens zoom range () -
Max aperture f/2.8 -
Amount of lenses - 143
Crop factor 1.5 1.5
Screen
Display type Fixed Type Tilting
Display sizing - 3 inches
Resolution of display 920k dot 922k dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type None Optical (pentamirror)
Viewfinder coverage - 95 percent
Viewfinder magnification - 0.53x
Features
Min shutter speed - 30 secs
Max shutter speed - 1/4000 secs
Continuous shutter speed - 7.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set white balance
Image stabilization
Built-in flash
Flash distance no built-in flash 12.00 m
Flash options no built-in flash Auto, On, Off, Red-Eye, Slow Sync, High Speed Sync, Rear Curtain, Fill-in, Wireless
External flash
AEB
WB bracketing
Max flash sync - 1/160 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 640 x 480 -
Maximum video resolution 640x480 None
Video file format Motion JPEG -
Mic jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 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 330g (0.73 pounds) 632g (1.39 pounds)
Physical dimensions 122 x 67 x 64mm (4.8" x 2.6" x 2.5") 137 x 104 x 84mm (5.4" x 4.1" x 3.3")
DXO scores
DXO Overall rating not tested 66
DXO Color Depth rating not tested 21.9
DXO Dynamic range rating not tested 11.8
DXO Low light rating not tested 807
Other
Battery life - 480 shots
Form of battery - Battery Pack
Battery ID - NP-FM500H
Self timer - Yes (2 or 10 sec)
Time lapse shooting
Storage media - SD/ SDHC, Memory Stick Pro Duo/ Pro-HG Duo
Storage slots One One
Retail pricing $1,250 $749