Sigma DP1 Merrill vs Sony A550
82 Imaging
55 Features
30 Overall
45


63 Imaging
53 Features
65 Overall
57
Sigma DP1 Merrill vs Sony A550 Key Specs
(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
(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- Superseded the Sony A100

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).

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.

Sigma DP1 Merrill vs Sony A550 Gallery
Here is a sample of the gallery pics for Sigma DP1 Merrill & Sony Alpha DSLR-A550. The full galleries are viewable at Sigma DP1 Merrill Gallery & Sony A550 Gallery.
Reasons to pick Sigma DP1 Merrill over the Sony A550
DP1 Merrill | A550 | |||
---|---|---|---|---|
Introduced | February 2012 | ![]() | December 2009 | Newer by 27 months |
Reasons to pick Sony A550 over the Sigma DP1 Merrill
A550 | DP1 Merrill | |||
---|---|---|---|---|
Display type | Tilting | ![]() | Fixed | Tilting display |
Display size | 3" | ![]() | " | Larger display (+3") |
Display resolution | 922k | ![]() | 920k | Sharper 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.
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.

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

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 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Sigma DP1 Merrill vs Sony A550 Specifications
Sigma DP1 Merrill | Sony 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 |