Sigma DP3 Merrill vs Sony A450
83 Imaging
56 Features
33 Overall
46


65 Imaging
53 Features
52 Overall
52
Sigma DP3 Merrill vs Sony A450 Key Specs
(Full Review)
- 15MP - APS-C Sensor
- 3" Fixed Screen
- ISO 100 - 6400
- 640 x 480 video
- 75mm (F2.8) lens
- 330g - 122 x 67 x 59mm
- Introduced January 2013
- Old Model is Sigma DP2 Merrill
(Full Review)
- 14MP - APS-C Sensor
- 2.7" Fixed Screen
- ISO 200 - 12800
- Sensor based Image Stabilization
- No Video
- Sony/Minolta Alpha Mount
- 560g - 137 x 104 x 81mm
- Released January 2010

Sigma DP3 Merrill vs Sony A450 Overview
Here is a in depth overview of the Sigma DP3 Merrill and Sony A450, one being a Large Sensor Compact and the latter is a Entry-Level DSLR by manufacturers Sigma and Sony. The sensor resolution of the DP3 Merrill (15MP) and the A450 (14MP) is pretty close and both cameras offer the same sensor sizes (APS-C).

The DP3 Merrill was brought out 3 years later than the A450 and that is a fairly large gap as far as camera tech is concerned. Both the cameras have different body design with the Sigma DP3 Merrill being a Large Sensor Compact camera and the Sony A450 being a Compact SLR camera.
Before delving into a in-depth comparison, here is a quick view of how the DP3 Merrill scores vs the A450 in relation to portability, imaging, features and an overall rating.

Sigma DP3 Merrill vs Sony A450 Gallery
The following is a preview of the gallery images for Sigma DP3 Merrill and Sony Alpha DSLR-A450. The entire galleries are available at Sigma DP3 Merrill Gallery and Sony A450 Gallery.
Reasons to pick Sigma DP3 Merrill over the Sony A450
DP3 Merrill | A450 | |||
---|---|---|---|---|
Released | January 2013 | ![]() | January 2010 | Fresher by 37 months |
Screen dimensions | 3" | ![]() | 2.7" | Bigger screen (+0.3") |
Screen resolution | 920k | ![]() | 230k | Clearer screen (+690k dot) |
Reasons to pick Sony A450 over the Sigma DP3 Merrill
A450 | DP3 Merrill |
---|
Common features in the Sigma DP3 Merrill and Sony A450
DP3 Merrill | A450 | |||
---|---|---|---|---|
Manual focus | ![]() | Very precise focusing | ||
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Selfie screen | ![]() | Neither includes selfie screen | ||
Touch friendly screen | ![]() | Absent Touch friendly screen |
Sigma DP3 Merrill vs Sony A450 Physical Comparison
For anyone who is intending to carry your camera, you should factor its weight and measurements. The Sigma DP3 Merrill features external measurements of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") accompanied by a weight of 330 grams (0.73 lbs) whilst the Sony A450 has proportions of 137mm x 104mm x 81mm (5.4" x 4.1" x 3.2") accompanied by a weight of 560 grams (1.23 lbs).
Contrast the Sigma DP3 Merrill and Sony A450 in the all new Camera with Lens Size Comparison Tool.
Do not forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you select at that time. Here is a front view overall size comparison of the DP3 Merrill against the A450.

Looking at size and weight, the portability rating of the DP3 Merrill and A450 is 83 and 65 respectively.

Sigma DP3 Merrill vs Sony A450 Sensor Comparison
Generally, it's hard to envision the difference in sensor sizing purely by viewing specs. The photograph below should give you a stronger sense of the sensor sizing in the DP3 Merrill and A450.
As you can plainly see, both cameras provide the same sensor dimensions albeit not the same MP. You should expect the Sigma DP3 Merrill to result in extra detail having its extra 1MP. Higher resolution will enable you to crop pictures more aggressively. The younger DP3 Merrill will have a benefit with regard to sensor tech.

Sigma DP3 Merrill vs Sony A450 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Sigma DP3 Merrill vs Sony A450 Specifications
Sigma DP3 Merrill | Sony Alpha DSLR-A450 | |
---|---|---|
General Information | ||
Company | Sigma | Sony |
Model | Sigma DP3 Merrill | Sony Alpha DSLR-A450 |
Category | Large Sensor Compact | Entry-Level DSLR |
Introduced | 2013-01-08 | 2010-01-05 |
Body design | Large Sensor Compact | Compact SLR |
Sensor Information | ||
Processor Chip | Dual TRUE II engine | Bionz |
Sensor type | CMOS (Foveon X3) | CMOS |
Sensor size | APS-C | APS-C |
Sensor measurements | 24 x 16mm | 23.4 x 15.6mm |
Sensor area | 384.0mm² | 365.0mm² |
Sensor resolution | 15MP | 14MP |
Anti aliasing filter | ||
Aspect ratio | - | 3:2 and 16:9 |
Full resolution | 4704 x 3136 | 4592 x 3056 |
Max native ISO | 6400 | 12800 |
Minimum native ISO | 100 | 200 |
RAW images | ||
Autofocusing | ||
Manual focus | ||
Autofocus touch | ||
Autofocus continuous | ||
Single autofocus | ||
Tracking autofocus | ||
Autofocus selectice | ||
Autofocus center weighted | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detection autofocus | ||
Contract detection autofocus | ||
Phase detection autofocus | ||
Number of focus points | - | 9 |
Cross focus points | - | - |
Lens | ||
Lens mounting type | fixed lens | Sony/Minolta Alpha |
Lens focal range | 75mm (1x) | - |
Max aperture | f/2.8 | - |
Total lenses | - | 143 |
Focal length multiplier | 1.5 | 1.5 |
Screen | ||
Range of screen | Fixed Type | Fixed Type |
Screen diagonal | 3 inch | 2.7 inch |
Screen resolution | 920 thousand dot | 230 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch screen | ||
Screen tech | - | TFT Clear Photo Color LCD |
Viewfinder Information | ||
Viewfinder | None | Optical (pentamirror) |
Viewfinder coverage | - | 95% |
Viewfinder magnification | - | 0.53x |
Features | ||
Slowest shutter speed | - | 30 secs |
Maximum shutter speed | - | 1/4000 secs |
Continuous shooting speed | 4.0fps | 7.0fps |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Set white balance | ||
Image stabilization | ||
Inbuilt flash | ||
Flash range | no built-in flash | 12.00 m (at ISO 100) |
Flash modes | no built-in flash | Auto, Fill, Rear Sync, Slow Sync, Wireless/ High Speed Sync |
Hot shoe | ||
Auto exposure bracketing | ||
WB bracketing | ||
Maximum flash sync | - | 1/160 secs |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Supported video resolutions | 640 x 480 | - |
Max video resolution | 640x480 | None |
Video data format | Motion JPEG | - |
Microphone 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 | ||
Environmental seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 330 grams (0.73 lbs) | 560 grams (1.23 lbs) |
Physical dimensions | 122 x 67 x 59mm (4.8" x 2.6" x 2.3") | 137 x 104 x 81mm (5.4" x 4.1" x 3.2") |
DXO scores | ||
DXO All around score | not tested | 66 |
DXO Color Depth score | not tested | 21.8 |
DXO Dynamic range score | not tested | 11.8 |
DXO Low light score | not tested | 769 |
Other | ||
Battery life | - | 1050 images |
Battery format | - | 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 | Single | Single |
Launch price | $1,353 | $1,241 |