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Sigma DP2 Merrill vs Sony A550

Portability
83
Imaging
56
Features
33
Overall
46
Sigma DP2 Merrill front
 
Sony Alpha DSLR-A550 front
Portability
63
Imaging
53
Features
65
Overall
57

Sigma DP2 Merrill vs Sony A550 Key Specs

Sigma DP2 Merrill
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • 640 x 480 video
  • 50mm (F2.8) lens
  • 330g - 122 x 67 x 59mm
  • Launched February 2012
  • Succeeded the Sigma DP1 Merrill
  • Replacement is Sigma DP3 Merrill
Sony A550
(Full Review)
  • 14MP - APS-C Sensor
  • 3" Tilting Screen
  • ISO 200 - 12800
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 632g - 137 x 104 x 84mm
  • Announced December 2009
  • Previous Model is Sony A100
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Sigma DP2 Merrill vs Sony A550 Overview

The following is a detailed overview of the Sigma DP2 Merrill versus Sony A550, one is a Large Sensor Compact and the latter is a Entry-Level DSLR by companies Sigma and Sony. The resolution of the DP2 Merrill (15MP) and the A550 (14MP) is relatively comparable and they possess the exact same sensor size (APS-C).

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The DP2 Merrill was unveiled 2 years after the A550 which is a fairly sizable gap as far as camera tech is concerned. Each of these cameras come with different body type with the Sigma DP2 Merrill being a Large Sensor Compact camera and the Sony A550 being a Compact SLR camera.

Before getting straight into a thorough comparison, below is a quick introduction of how the DP2 Merrill grades against the A550 in relation to portability, imaging, features and an overall mark.

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Reasons to pick Sigma DP2 Merrill over the Sony A550

 DP2 Merrill A550 
AnnouncedFebruary 2012December 2009Newer by 27 months

Reasons to pick Sony A550 over the Sigma DP2 Merrill

 A550 DP2 Merrill 
Screen typeTiltingFixed Tilting screen
Screen resolution922k920kClearer screen (+2k dot)

Common features in the Sigma DP2 Merrill and Sony A550

 DP2 Merrill A550 
Manual focus More accurate focus
Screen dimension3"3"Identical screen size
Selfie screen Absent selfie screen
Touch screen Neither features Touch screen

Sigma DP2 Merrill vs Sony A550 Physical Comparison

If you are looking to travel with your camera often, you'll need to factor its weight and measurements. The Sigma DP2 Merrill enjoys exterior dimensions of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") with a weight of 330 grams (0.73 lbs) while the Sony A550 has proportions of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") with a weight of 632 grams (1.39 lbs).

Check out the Sigma DP2 Merrill versus Sony A550 in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you are working with during that time. The following is the front view measurement comparison of the DP2 Merrill vs the A550.

Sigma DP2 Merrill vs Sony A550 size comparison

Taking into account size and weight, the portability grade of the DP2 Merrill and A550 is 83 and 63 respectively.

Sigma DP2 Merrill vs Sony A550 top view buttons comparison

Sigma DP2 Merrill vs Sony A550 Sensor Comparison

Oftentimes, it's tough to picture the contrast in sensor dimensions purely by checking out specifications. The image here will help offer you a greater sense of the sensor sizes in the DP2 Merrill and A550.

Plainly, the 2 cameras posses the exact same sensor measurements albeit different resolution. You should count on the Sigma DP2 Merrill to show more detail having an extra 1 Megapixels. Higher resolution will also enable you to crop shots somewhat more aggressively. The fresher DP2 Merrill provides a benefit in sensor tech.

Sigma DP2 Merrill vs Sony A550 sensor size comparison

Sigma DP2 Merrill vs Sony A550 Screen and ViewFinder

Sigma DP2 Merrill vs Sony A550 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma DP2 Merrill Portrait photography information
Sony A550 Portrait photography information
73
focusing manually
good resolution (15MP)
good sensor size (APS-C)
exports RAW formats
71
focusing manually
decent megapixels (14MP)
decent sensor size (APS-C)
comes with face detection focus
exports RAW files
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Street Comparison

Sigma DP2 Merrill Street photography details
Sony A550 Street photography details
65
good sensor size (APS-C)
exports RAW formats
screen does not articulate
lack of image stabilization
74
screen tilts up and down
image stabilization (Sensor based)
decent sensor size (APS-C)
exports RAW files
Photography Glossary

Sports Comparison

Sports photography with Sigma DP2 Merrill
Sports photography with Sony A550
44
good resolution (15 megapixels)
good sensor size (APS-C)
fixed focal length (50mm)
max fps low (4.0 fps)
lack of image stabilization
does not have phase detect autofocus
66
image stabilization (Sensor based)
decent megapixels (14MP)
decent sensor size (APS-C)
has phase detect auto focus
not so great battery power (480 shots)
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Travel Comparison

Sigma DP2 Merrill Travel photography info
Sony A550 Travel photography info
54
good resolution (15 megapixels)
does not have Time Lapse function
display is not selfie friendly
sluggish maximum aperture (f2.8)
51
decent megapixels (14 megapixels)
has built in flash
missing Time Lapse recording
not so great battery power (480 per charge)
doesn't have selfie friendly screen
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Landscape Comparison

Sigma DP2 Merrill Landscape photography info
Sony A550 Landscape photography info
55
focusing manually
good sized screen (3 inch)
good resolution (15 megapixels)
good sensor size (APS-C)
exports RAW formats
fixed lens (fixed lens mount)
fixed focal length (50mm)
sluggish maximum aperture (f2.8)
lack of image stabilization
does not have Time Lapse function
66
focusing manually
change lenses (Sony/Minolta Alpha mount)
nice screen size (3")
image stabilization (Sensor based)
decent megapixels (14 megapixels)
decent sensor size (APS-C)
exports RAW files
not so great battery power (480 shots)
missing Time Lapse recording
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Vlogging Comparison

Vlogging with Sigma DP2 Merrill
Vlogging with Sony A550
22
sluggish maximum aperture (f2.8)
display is not selfie friendly
lack of image stabilization
video quality not great (640 x 480 resolution)
does not have external mic support
9
can't record video
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Sigma DP2 Merrill vs Sony A550 Specifications

Detailed spec comparison table for Sigma DP2 Merrill and Sony A550
 Sigma DP2 MerrillSony Alpha DSLR-A550
General Information
Make Sigma Sony
Model Sigma DP2 Merrill Sony Alpha DSLR-A550
Type Large Sensor Compact Entry-Level DSLR
Launched 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 surface area 384.0mm² 365.0mm²
Sensor resolution 15MP 14MP
Anti aliasing filter
Aspect ratio - 3:2 and 16:9
Maximum resolution 4704 x 3136 4592 x 3056
Maximum native ISO 6400 12800
Minimum native ISO 100 200
RAW files
Autofocusing
Focus manually
Touch to focus
Continuous AF
AF single
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points - 9
Lens
Lens mounting type fixed lens Sony/Minolta Alpha
Lens focal range 50mm (1x) -
Maximum aperture f/2.8 -
Amount of lenses - 143
Crop factor 1.5 1.5
Screen
Range of screen Fixed Type Tilting
Screen sizing 3" 3"
Resolution of screen 920k dot 922k dot
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type None Optical (pentamirror)
Viewfinder coverage - 95 percent
Viewfinder magnification - 0.53x
Features
Lowest shutter speed - 30s
Highest shutter speed - 1/4000s
Continuous shooting speed 4.0 frames per second 7.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash range 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
Auto exposure bracketing
White balance bracketing
Highest flash sync - 1/160s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 640x480 -
Maximum video resolution 640x480 None
Video data format Motion JPEG -
Mic input
Headphone input
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 proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 330 grams (0.73 pounds) 632 grams (1.39 pounds)
Dimensions 122 x 67 x 59mm (4.8" x 2.6" x 2.3") 137 x 104 x 84mm (5.4" x 4.1" x 3.3")
DXO scores
DXO All around score not tested 66
DXO Color Depth score not tested 21.9
DXO Dynamic range score not tested 11.8
DXO Low light score not tested 807
Other
Battery life - 480 pictures
Form of battery - Battery Pack
Battery model - 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 1 1
Cost at launch $931 $749