Sigma SD1 vs Sony A7
77 Imaging
55 Features
43 Overall
50
78 Imaging
70 Features
80 Overall
74
Sigma SD1 vs Sony A7 Key Specs
(Full Review)
- 15MP - APS-C Sensor
- 3" Fixed Screen
- ISO 0 - 0
- No Video
- Sigma SA Mount
- n/ag - 146 x 113 x 80mm
- Revealed September 2010
- New Model is Sigma SD1 Merrill
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Screen
- ISO 50 - 25600
- 1/8000s Max Shutter
- 1920 x 1080 video
- Sony E Mount
- 474g - 127 x 94 x 48mm
- Launched January 2014
- Renewed by Sony A7 II
Sigma SD1 vs Sony A7 Overview
Below, we will be contrasting the Sigma SD1 vs Sony A7, one being a Advanced DSLR and the latter is a Pro Mirrorless by rivals Sigma and Sony. There is a big difference between the image resolutions of the SD1 (15MP) and A7 (24MP) and the SD1 (APS-C) and A7 (Full frame) feature different sensor sizes.
Pentax 17 Pre-Orders Outperform Expectations by a LandslideThe SD1 was released 4 years before the A7 and that is quite a big gap as far as tech is concerned. The two cameras come with different body type with the Sigma SD1 being a Mid-size SLR camera and the Sony A7 being a SLR-style mirrorless camera.
Before diving through a in-depth comparison, below is a concise view of how the SD1 scores against the A7 when considering portability, imaging, features and an overall grade.
Sigma SD1 vs Sony A7 Gallery
Following is a preview of the gallery photos for Sigma SD1 and Sony Alpha A7. The complete galleries are available at Sigma SD1 Gallery and Sony A7 Gallery.
Reasons to pick Sigma SD1 over the Sony A7
SD1 | A7 |
---|
Reasons to pick Sony A7 over the Sigma SD1
A7 | SD1 | |||
---|---|---|---|---|
Launched | January 2014 | September 2010 | More recent by 40 months | |
Screen type | Tilting | Fixed | Tilting screen | |
Screen resolution | 1230k | 460k | Clearer screen (+770k dot) |
Common features in the Sigma SD1 and Sony A7
SD1 | A7 | |||
---|---|---|---|---|
Focus manually | Very accurate focusing | |||
Screen dimension | 3" | 3" | Identical screen dimensions | |
Selfie screen | Neither features selfie screen | |||
Touch friendly screen | Missing Touch friendly screen |
Sigma SD1 vs Sony A7 Physical Comparison
For anybody who is planning to lug around your camera frequently, you will want to factor in its weight and measurements. The Sigma SD1 enjoys external measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") and a weight of n/a grams (0.00 lbs) and the Sony A7 has proportions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") accompanied by a weight of 474 grams (1.04 lbs).
Check out the Sigma SD1 vs Sony A7 in the latest Camera with Lens Size Comparison Tool.Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilising at that moment. Underneath is the front view measurements comparison of the SD1 and the A7.
Factoring in size and weight, the portability grade of the SD1 and A7 is 77 and 78 respectively.
Sigma SD1 vs Sony A7 Sensor Comparison
Often, it's difficult to imagine the contrast between sensor measurements just by reading through a spec sheet. The visual underneath will help give you a clearer sense of the sensor sizing in the SD1 and A7.
As you can see, the 2 cameras posses different resolutions and different sensor measurements. The SD1 featuring a tinier sensor is going to make achieving shallower DOF more challenging and the Sony A7 will give you more detail as a result of its extra 9 Megapixels. Higher resolution can also let you crop shots somewhat more aggressively. The older SD1 is going to be disadvantaged with regard to sensor technology.
Sigma SD1 vs Sony A7 Screen and ViewFinder
Photography Type Scores
Portrait Comparison
Street Comparison
Sports Comparison
Travel Comparison
Landscape Comparison
Vlogging Comparison
Sigma SD1 vs Sony A7 Specifications
Sigma SD1 | Sony Alpha A7 | |
---|---|---|
General Information | ||
Brand | Sigma | Sony |
Model | Sigma SD1 | Sony Alpha A7 |
Category | Advanced DSLR | Pro Mirrorless |
Revealed | 2010-09-21 | 2014-01-22 |
Physical type | Mid-size SLR | SLR-style mirrorless |
Sensor Information | ||
Processor Chip | Dual True II | Bionz X |
Sensor type | CMOS (Foveon X3) | CMOS |
Sensor size | APS-C | Full frame |
Sensor measurements | 24 x 16mm | 35.8 x 23.9mm |
Sensor surface area | 384.0mm² | 855.6mm² |
Sensor resolution | 15MP | 24MP |
Anti aliasing filter | ||
Aspect ratio | - | 3:2 and 16:9 |
Highest Possible resolution | 4800 x 3200 | 6000 x 4000 |
Maximum native ISO | - | 25600 |
Lowest native ISO | - | 50 |
RAW images | ||
Autofocusing | ||
Focus manually | ||
Autofocus touch | ||
Autofocus continuous | ||
Autofocus single | ||
Tracking autofocus | ||
Selective autofocus | ||
Autofocus center weighted | ||
Multi area autofocus | ||
Autofocus live view | ||
Face detection autofocus | ||
Contract detection autofocus | ||
Phase detection autofocus | ||
Number of focus points | 11 | 117 |
Cross focus points | 2 | 25 |
Lens | ||
Lens mounting type | Sigma SA | Sony E |
Total lenses | 76 | 121 |
Crop factor | 1.5 | 1 |
Screen | ||
Type of screen | Fixed Type | Tilting |
Screen size | 3" | 3" |
Resolution of screen | 460k dots | 1,230k dots |
Selfie friendly | ||
Liveview | ||
Touch screen | ||
Screen tech | - | Xtra Fine LCD |
Viewfinder Information | ||
Viewfinder type | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 2,359k dots |
Viewfinder coverage | 96 percent | 100 percent |
Viewfinder magnification | 0.64x | 0.71x |
Features | ||
Minimum shutter speed | 15 secs | 30 secs |
Fastest shutter speed | 1/2000 secs | 1/8000 secs |
Continuous shutter rate | 5.0fps | 5.0fps |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Change white balance | ||
Image stabilization | ||
Inbuilt flash | ||
Flash range | - | no built-in flash |
Flash options | - | no built-in flash |
Hot shoe | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Fastest flash synchronize | - | 1/250 secs |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Video resolutions | - | 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) |
Maximum video resolution | None | 1920x1080 |
Video file format | - | MPEG-4, AVCHD |
Microphone support | ||
Headphone support | ||
Connectivity | ||
Wireless | None | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environment sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | - | 474g (1.04 lb) |
Dimensions | 146 x 113 x 80mm (5.7" x 4.4" x 3.1") | 127 x 94 x 48mm (5.0" x 3.7" x 1.9") |
DXO scores | ||
DXO Overall score | not tested | 90 |
DXO Color Depth score | not tested | 24.8 |
DXO Dynamic range score | not tested | 14.2 |
DXO Low light score | not tested | 2248 |
Other | ||
Battery life | - | 340 pictures |
Battery style | - | Battery Pack |
Battery model | - | NP-FW50 |
Self timer | Yes | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
Time lapse shooting | With downloadable app | |
Type of storage | Compact Flash (Type I, UDMA compatible) | SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo |
Card slots | Single | Single |
Pricing at release | $2,339 | $798 |