Sigma DP2 Merrill vs Sony A550
83 Imaging
56 Features
33 Overall
46


63 Imaging
53 Features
65 Overall
57
Sigma DP2 Merrill vs Sony A550 Key Specs
(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
(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

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).

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.

Sigma DP2 Merrill vs Sony A550 Gallery
Below is a preview of the gallery photos for Sigma DP2 Merrill and Sony Alpha DSLR-A550. The full galleries are available at Sigma DP2 Merrill Gallery and Sony A550 Gallery.
Reasons to pick Sigma DP2 Merrill over the Sony A550
DP2 Merrill | A550 | |||
---|---|---|---|---|
Announced | February 2012 | ![]() | December 2009 | Newer by 27 months |
Reasons to pick Sony A550 over the Sigma DP2 Merrill
A550 | DP2 Merrill | |||
---|---|---|---|---|
Screen type | Tilting | ![]() | Fixed | Tilting screen |
Screen resolution | 922k | ![]() | 920k | Clearer screen (+2k dot) |
Common features in the Sigma DP2 Merrill and Sony A550
DP2 Merrill | A550 | |||
---|---|---|---|---|
Manual focus | ![]() | More accurate focus | ||
Screen dimension | 3" | ![]() | 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.
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.

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 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 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Sigma DP2 Merrill vs Sony A550 Specifications
Sigma DP2 Merrill | Sony 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 |