Sigma SD15 vs Sony NEX-7
59 Imaging
44 Features
45 Overall
44


84 Imaging
63 Features
71 Overall
66
Sigma SD15 vs Sony NEX-7 Key Specs
(Full Review)
- 5MP - APS-C Sensor
- 3" Fixed Display
- ISO 100 - 1600 (Increase to 3200)
- No Video
- Sigma SA Mount
- 750g - 144 x 107 x 81mm
- Introduced February 2010
- Earlier Model is Sigma SD14
(Full Review)
- 24MP - APS-C Sensor
- 3" Tilting Screen
- ISO 100 - 16000
- 1920 x 1080 video
- Sony E Mount
- 400g - 120 x 67 x 43mm
- Introduced December 2011

Sigma SD15 vs Sony NEX-7 Overview
Here is a detailed overview of the Sigma SD15 versus Sony NEX-7, former being a Advanced DSLR while the latter is a Advanced Mirrorless by companies Sigma and Sony. There is a considerable difference among the resolutions of the SD15 (5MP) and NEX-7 (24MP) but both cameras boast the same sensor sizes (APS-C).

The SD15 was launched 22 months earlier than the NEX-7 which makes them a generation apart from each other. Both cameras have different body design with the Sigma SD15 being a Mid-size SLR camera and the Sony NEX-7 being a Rangefinder-style mirrorless camera.
Before getting straight to a detailed comparison, here is a concise view of how the SD15 scores against the NEX-7 with respect to portability, imaging, features and an overall rating.

Sigma SD15 vs Sony NEX-7 Gallery
The following is a preview of the gallery images for Sigma SD15 & Sony Alpha NEX-7. The complete galleries are provided at Sigma SD15 Gallery & Sony NEX-7 Gallery.
Reasons to pick Sigma SD15 over the Sony NEX-7
SD15 | NEX-7 |
---|
Reasons to pick Sony NEX-7 over the Sigma SD15
NEX-7 | SD15 | |||
---|---|---|---|---|
Introduced | December 2011 | ![]() | February 2010 | Fresher by 22 months |
Screen type | Tilting | ![]() | Fixed | Tilting screen |
Screen resolution | 921k | ![]() | 460k | Crisper screen (+461k dot) |
Common features in the Sigma SD15 and Sony NEX-7
SD15 | NEX-7 | |||
---|---|---|---|---|
Focus manually | ![]() | Dial exact focusing | ||
Screen dimensions | 3" | ![]() | 3" | Equal screen dimensions |
Selfie screen | ![]() | Neither offers selfie screen | ||
Touch screen | ![]() | Neither offers Touch screen |
Sigma SD15 vs Sony NEX-7 Physical Comparison
For anybody who is going to carry your camera, you will want to consider its weight and volume. The Sigma SD15 offers outside dimensions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") along with a weight of 750 grams (1.65 lbs) whilst the Sony NEX-7 has sizing of 120mm x 67mm x 43mm (4.7" x 2.6" x 1.7") along with a weight of 400 grams (0.88 lbs).
Check out the Sigma SD15 versus Sony NEX-7 in our brand new Camera & Lens Size Comparison Tool.
Remember that, the weight of an ILC will change dependant on the lens you select during that time. The following is a front view overall size comparison of the SD15 versus the NEX-7.

Using size and weight, the portability grade of the SD15 and NEX-7 is 59 and 84 respectively.

Sigma SD15 vs Sony NEX-7 Sensor Comparison
In many cases, its tough to visualize the contrast in sensor sizing merely by seeing specifications. The graphic below will help give you a greater sense of the sensor sizes in the SD15 and NEX-7.
Plainly, both of these cameras provide the same sensor dimensions albeit different MP. You can expect the Sony NEX-7 to produce greater detail utilizing its extra 19MP. Higher resolution can also make it easier to crop pictures more aggressively. The older SD15 will be disadvantaged with regard to sensor innovation.

Sigma SD15 vs Sony NEX-7 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Sigma SD15 vs Sony NEX-7 Specifications
Sigma SD15 | Sony Alpha NEX-7 | |
---|---|---|
General Information | ||
Company | Sigma | Sony |
Model type | Sigma SD15 | Sony Alpha NEX-7 |
Category | Advanced DSLR | Advanced Mirrorless |
Introduced | 2010-02-20 | 2011-12-13 |
Body design | Mid-size SLR | Rangefinder-style mirrorless |
Sensor Information | ||
Chip | True II | Bionz |
Sensor type | CMOS (Foveon X3) | CMOS |
Sensor size | APS-C | APS-C |
Sensor dimensions | 20.7 x 13.8mm | 23.5 x 15.6mm |
Sensor area | 285.7mm² | 366.6mm² |
Sensor resolution | 5 megapixel | 24 megapixel |
Anti alias filter | ||
Aspect ratio | 3:2 | 3:2 and 16:9 |
Peak resolution | 2640 x 1760 | 6000 x 4000 |
Highest native ISO | 1600 | 16000 |
Highest enhanced ISO | 3200 | - |
Minimum native ISO | 100 | 100 |
RAW data | ||
Minimum enhanced ISO | 50 | - |
Autofocusing | ||
Manual focusing | ||
Autofocus touch | ||
Autofocus continuous | ||
Autofocus single | ||
Autofocus tracking | ||
Autofocus selectice | ||
Autofocus center weighted | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detect autofocus | ||
Contract detect autofocus | ||
Phase detect autofocus | ||
Total focus points | - | 25 |
Lens | ||
Lens mount type | Sigma SA | Sony E |
Amount of lenses | 76 | 121 |
Crop factor | 1.7 | 1.5 |
Screen | ||
Display type | Fixed Type | Tilting |
Display diagonal | 3 inches | 3 inches |
Resolution of display | 460 thousand dot | 921 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch screen | ||
Viewfinder Information | ||
Viewfinder type | Optical (pentaprism) | Electronic |
Viewfinder coverage | 96% | 100% |
Viewfinder magnification | 0.6x | 0.73x |
Features | ||
Min shutter speed | 30s | 30s |
Max shutter speed | 1/4000s | 1/4000s |
Continuous shutter speed | 3.0fps | 10.0fps |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Custom white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash distance | - | 6.00 m |
Flash options | - | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless |
Hot shoe | ||
AE bracketing | ||
WB bracketing | ||
Max flash sync | 1/180s | 1/160s |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Supported video resolutions | - | 1920 x 1080 (60, 24 fps), 1440 x 1080 (30 fps), 640 x 480 (30 fps) |
Highest video resolution | None | 1920x1080 |
Video data format | - | MPEG-4, AVCHD |
Mic input | ||
Headphone input | ||
Connectivity | ||
Wireless | None | Eye-Fi Connected |
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 | 750 grams (1.65 lb) | 400 grams (0.88 lb) |
Physical dimensions | 144 x 107 x 81mm (5.7" x 4.2" x 3.2") | 120 x 67 x 43mm (4.7" x 2.6" x 1.7") |
DXO scores | ||
DXO Overall rating | not tested | 81 |
DXO Color Depth rating | not tested | 24.1 |
DXO Dynamic range rating | not tested | 13.4 |
DXO Low light rating | not tested | 1016 |
Other | ||
Battery life | - | 430 pictures |
Battery format | - | Battery Pack |
Battery ID | - | NPFW50 |
Self timer | Yes (10 sec) | Yes (2 or 10 sec, 10sec (3 or 5 images)) |
Time lapse feature | ||
Storage media | SD/SDHC card | SD/SDHC/SDXC/Memory Stick Pro Duo/ Pro-HG Duo |
Storage slots | One | One |
Retail price | $1,500 | $699 |