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Sigma SD14 vs Sony A7R III

Portability
59
Imaging
43
Features
30
Overall
37
Sigma SD14 front
 
Sony Alpha A7R III front
Portability
63
Imaging
78
Features
93
Overall
84

Sigma SD14 vs Sony A7R III Key Specs

Sigma SD14
(Full Review)
  • 5MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 100 - 800 (Push to 1600)
  • No Video
  • Sigma SA Mount
  • 750g - 144 x 107 x 81mm
  • Introduced September 2006
  • Succeeded the Sigma SD10
  • Replacement is Sigma SD15
Sony A7R III
(Full Review)
  • 42MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 32000 (Expand to 102400)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 657g - 127 x 96 x 74mm
  • Launched October 2017
  • Superseded the Sony A7R II
  • Renewed by Sony A7R IV
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Sigma SD14 vs Sony A7R III Overview

Lets look much closer at the Sigma SD14 vs Sony A7R III, one being a Advanced DSLR and the latter is a Pro Mirrorless by rivals Sigma and Sony. There is a crucial difference between the sensor resolutions of the SD14 (5MP) and A7R III (42MP) and the SD14 (APS-C) and A7R III (Full frame) feature different sensor sizing.

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The SD14 was revealed 12 years earlier than the A7R III and that is quite a serious gap as far as tech is concerned. Both of these cameras offer different body type with the Sigma SD14 being a Mid-size SLR camera and the Sony A7R III being a SLR-style mirrorless camera.

Before going through a more detailed comparison, below is a brief introduction of how the SD14 grades vs the A7R III in regards to portability, imaging, features and an overall rating.

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Reasons to pick Sigma SD14 over the Sony A7R III

 SD14 A7R III 

Reasons to pick Sony A7R III over the Sigma SD14

 A7R III SD14 
LaunchedOctober 2017September 2006Fresher by 134 months
Screen typeTiltingFixed Tilting screen
Screen sizing3"2.5"Bigger screen (+0.5")
Screen resolution1440k150kClearer screen (+1290k dot)
Touch friendly screen Quickly navigate

Common features in the Sigma SD14 and Sony A7R III

 SD14 A7R III 
Manually focus Dial precise focus
Selfie screen Absent selfie screen

Sigma SD14 vs Sony A7R III Physical Comparison

If you are going to carry your camera often, you're going to have to take into account its weight and dimensions. The Sigma SD14 provides exterior dimensions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") having a weight of 750 grams (1.65 lbs) and the Sony A7R III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 657 grams (1.45 lbs).

Examine the Sigma SD14 vs Sony A7R III in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using during that time. Here is the front view measurement comparison of the SD14 and the A7R III.

Sigma SD14 vs Sony A7R III size comparison

Using size and weight, the portability rating of the SD14 and A7R III is 59 and 63 respectively.

Sigma SD14 vs Sony A7R III top view buttons comparison

Sigma SD14 vs Sony A7R III Sensor Comparison

Often, its tough to visualize the contrast between sensor sizing merely by going over specs. The photograph underneath should give you a more clear sense of the sensor dimensions in the SD14 and A7R III.

All in all, both of the cameras offer different megapixels and different sensor sizing. The SD14 with its tinier sensor is going to make shooting shallow DOF trickier and the Sony A7R III will deliver extra detail because of its extra 37 Megapixels. Higher resolution will also allow you to crop photographs a little more aggressively. The older SD14 is going to be disadvantaged when it comes to sensor tech.

Sigma SD14 vs Sony A7R III sensor size comparison

Sigma SD14 vs Sony A7R III Screen and ViewFinder

Sigma SD14 vs Sony A7R III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma SD14 Portrait photography info
Sony A7R III Portrait photography info
49
you can focus manually
nice sensor size (APS-C)
exports RAW formats
no liveview
low MP (5MP)
86
you can focus manually
great MP (42MP)
sensor size is great (Full frame)
has face detection focus
supports RAW files
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Street Comparison

Sigma SD14 as a Street photography camera
Sony A7R III as a Street photography camera
48
nice sensor size (APS-C)
exports RAW formats
no moving screen
lack of image stabilization
max ISO too low (800)
79
screen tilts up and down
built in image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
supports RAW files
comes with touch to focus
environment proof
very good high ISO (32,000)
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Sports Comparison

Sigma SD14 Sports photography details
Sony A7R III Sports photography details
29
nice sensor size (APS-C)
no liveview
painfully slow continuous shooting (3.0 frames/s)
lack of image stabilization
low MP (5 megapixels)
doesn't have phase detect auto focus
89
great max shutter speed (1/8,000s)
built in image stabilization (Sensor based 5-axis)
great MP (42MP)
sensor size is great (Full frame)
has tracking autofocus
environment proof
better than average battery pack (650 shots)
comes with phase detect auto focus
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Travel Comparison

Sigma SD14 Travel photography highlights
Sony A7R III Travel photography highlights
42
built-in flash
no Time Lapse recording
low MP (5 megapixels)
display is not selfie friendly
74
better than average battery pack (650 CIPA)
environment proof
supports bluetooth
comes with touch to focus
great MP (42MP)
display isn't selfie friendly
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Landscape Comparison

Sigma SD14 Landscape photography info
Sony A7R III Landscape photography info
43
you can focus manually
switch lenses (Sigma SA mount)
nice sensor size (APS-C)
exports RAW formats
screen is small (2.5 inch)
no liveview
lack of image stabilization
low MP (5MP)
max ISO too low (800)
no Time Lapse recording
87
you can focus manually
switch lenses (Sony E mount)
good sized screen (3")
built in image stabilization (Sensor based 5-axis)
great MP (42MP)
sensor size is great (Full frame)
does not have anti-alias filter
very good high ISO (32,000)
supports RAW files
environment proof
better than average battery pack (650 per charge)
has double storage slots
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Vlogging Comparison

Sigma SD14 Vlogging highlights
Sony A7R III Vlogging highlights
9
no video
37
screen is touchscreen
built in image stabilization (Sensor based 5-axis)
has face detection focus
video resolution high (3840 x 2160 pixels)
does have external mic port
display isn't selfie friendly
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Sigma SD14 vs Sony A7R III Specifications

Detailed spec comparison table for Sigma SD14 and Sony A7R III
 Sigma SD14Sony Alpha A7R III
General Information
Make Sigma Sony
Model Sigma SD14 Sony Alpha A7R III
Category Advanced DSLR Pro Mirrorless
Introduced 2006-09-26 2017-10-25
Body design Mid-size SLR SLR-style mirrorless
Sensor Information
Powered by - Bionz X
Sensor type CMOS (Foveon X3) BSI-CMOS
Sensor size APS-C Full frame
Sensor dimensions 20.7 x 13.8mm 35.9 x 24mm
Sensor surface area 285.7mm² 861.6mm²
Sensor resolution 5MP 42MP
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Peak resolution 2640 x 1760 7952 x 5304
Highest native ISO 800 32000
Highest enhanced ISO 1600 102400
Min native ISO 100 100
RAW files
Min enhanced ISO - 50
Autofocusing
Focus manually
Touch to focus
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points - 425
Lens
Lens mounting type Sigma SA Sony E
Number of lenses 76 121
Focal length multiplier 1.7 1
Screen
Range of display Fixed Type Tilting
Display sizing 2.5" 3"
Display resolution 150k dot 1,440k dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 3,686k dot
Viewfinder coverage 98 percent 100 percent
Viewfinder magnification 0.6x 0.78x
Features
Min shutter speed 30 seconds 30 seconds
Max shutter speed 1/4000 seconds 1/8000 seconds
Continuous shutter speed 3.0fps 10.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash range - no built-in flash
Flash options - Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync
External flash
AE bracketing
White balance bracketing
Max flash sync 1/180 seconds -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions - 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p)
Highest video resolution None 3840x2160
Video file format - MPEG-4, AVCHD, XAVC S
Mic jack
Headphone jack
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 1.0 (1.5 Mbit/sec) USB 3.1 Gen 1(5 GBit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 750 gr (1.65 pounds) 657 gr (1.45 pounds)
Dimensions 144 x 107 x 81mm (5.7" x 4.2" x 3.2") 127 x 96 x 74mm (5.0" x 3.8" x 2.9")
DXO scores
DXO Overall score not tested 100
DXO Color Depth score not tested 26.0
DXO Dynamic range score not tested 14.7
DXO Low light score not tested 3523
Other
Battery life - 650 images
Battery form - Battery Pack
Battery model - NP-FZ100
Self timer Yes (10 sec) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse shooting
Storage media Compact Flash Type I or II Two SD/SDHC/SDXC slots (UHS-II support on one)
Storage slots One Dual
Retail cost $198 $2,800