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Sony A7S III vs Sony A7c

Portability
61
Imaging
65
Features
92
Overall
75
Sony Alpha A7S III front
 
Sony Alpha A7c front
Portability
78
Imaging
77
Features
88
Overall
81

Sony A7S III vs Sony A7c Key Specs

Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Screen
  • ISO 80 - 102400 (Push to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Released July 2020
  • Succeeded the Sony A7S II
Sony A7c
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 51200 (Expand to 204800)
  • Sensor based 5-axis Image Stabilization
  • 3840 x 2160 video
  • Sony E Mount
  • 509g - 124 x 71 x 60mm
  • Announced September 2020
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Sony A7S III vs Sony A7c Overview

Let's look more closely at the Sony A7S III versus Sony A7c, former being a Pro Mirrorless while the other is a Advanced Mirrorless and they are both built by Sony. There exists a sizable gap among the resolutions of the A7S III (12MP) and A7c (24MP) but both cameras offer the same sensor size (Full frame).

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The A7S III was revealed around the same time to the A7c which means that they are both of a similar age. Each of these cameras have different body design with the Sony A7S III being a SLR-style mirrorless camera and the Sony A7c being a Rangefinder-style mirrorless camera.

Before going into a more detailed comparison, here is a short view of how the A7S III matches up vs the A7c in terms of portability, imaging, features and an overall rating.

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Reasons to pick Sony A7S III over the Sony A7c

 A7S III A7c 
Display resolution1440k922kSharper display (+518k dot)

Reasons to pick Sony A7c over the Sony A7S III

 A7c A7S III 

Common features in the Sony A7S III and Sony A7c

 A7S III A7c 
AnnouncedJuly 2020September 2020Same age
Manually focus Very accurate focus
Display typeFully articulatedFully articulatedFully Articulated display
Display dimensions3"3"Equal display size
Selfie screen Both are selfie friendly
Touch friendly display Easily navigate

Sony A7S III vs Sony A7c Physical Comparison

For anyone who is looking to carry your camera often, you will want to think about its weight and size. The Sony A7S III enjoys external dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") with a weight of 699 grams (1.54 lbs) and the Sony A7c has specifications of 124mm x 71mm x 60mm (4.9" x 2.8" x 2.4") along with a weight of 509 grams (1.12 lbs).

Compare the Sony A7S III versus Sony A7c in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will vary based on the lens you select during that time. The following is a front view scale comparison of the A7S III vs the A7c.

Sony A7S III vs Sony A7c size comparison

Using dimensions and weight, the portability score of the A7S III and A7c is 61 and 78 respectively.

Sony A7S III vs Sony A7c top view buttons comparison

Sony A7S III vs Sony A7c Sensor Comparison

Typically, its hard to picture the contrast in sensor sizing just by checking out a spec sheet. The graphic below will help offer you a more clear sense of the sensor sizes in the A7S III and A7c.

Clearly, each of the cameras have the same sensor dimensions but different megapixels. You can anticipate the Sony A7c to show greater detail because of its extra 12 Megapixels. Greater resolution can also let you crop images a bit more aggressively.

Sony A7S III vs Sony A7c sensor size comparison

Sony A7S III vs Sony A7c Screen and ViewFinder

Sony A7S III vs Sony A7c Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Sony A7S III Portrait photography information
Sony A7c Portrait photography information
71
you can focus manually
sensor size is large (Full frame)
provides face detect focusing
exports RAW files
sensor resolution not great (12MP)
79
you can focus manually
MP count decent (24 megapixels)
sensor size is great (Full frame)
supports face detection focus
delivers RAW files
can't use external flash
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Street Comparison

Sony A7S III as a Street photography camera
Sony A7c as a Street photography camera
76
image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
exports RAW files
boasts touch focus
environment proofing
very good ISO range (102,400)
85
built in image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
delivers RAW files
comes with touch focus
environment proofing
above average high ISO (51,200)
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Sports Comparison

Sony A7S III Sports photography factors
Sony A7c Sports photography factors
76
maximum shutter speed is high (1/8,000s)
image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
provides tracking focus
environment proofing
great battery power (600 CIPA)
sensor has phase detect AF
sensor resolution not great (12 megapixels)
88
silent mode (1/8,000s)
built in image stabilization (Sensor based 5-axis)
MP count decent (24 megapixels)
sensor size is great (Full frame)
supports tracking autofocus
environment proofing
good battery life (740 CIPA)
comes with phase detect auto focus
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Travel Comparison

Sony A7S III as a Travel photography camera
Sony A7c as a Travel photography camera
70
great battery power (600 per charge)
environment proofing
connects via bluetooth
boasts touch focus
screen is selfie friendly
sensor resolution not great (12MP)
86
good battery life (740 CIPA)
environment proofing
connects via bluetooth
comes with touch focus
MP count decent (24 megapixels)
screen is selfie friendly
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Landscape Comparison

Sony A7S III as a Landscape photography camera
Sony A7c as a Landscape photography camera
77
you can focus manually
swap lenses (Sony E mount)
nice screen size (3")
image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
very good ISO range (102,400)
exports RAW files
environment proofing
great battery power (600 CIPA)
has double storage slots
sensor resolution not great (12MP)
88
you can focus manually
swap lenses (Sony E mount)
screen is a decent size (3 inches)
built in image stabilization (Sensor based 5-axis)
MP count decent (24MP)
sensor size is great (Full frame)
above average high ISO (51,200)
delivers RAW files
environment proofing
good battery life (740 shots)
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Vlogging Comparison

Vlogging with Sony A7S III
Vlogging with Sony A7c
77
screen is selfie friendly
screen is touchscreen
image stabilization (Sensor based 5-axis)
provides face detect focusing
high res video (3840 x 2160 pixels)
includes mic port
86
screen is selfie friendly
touchscreen
built in image stabilization (Sensor based 5-axis)
supports face detection focus
high quality video (3840 x 2160 pixels)
does have external mic socket
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Sony A7S III vs Sony A7c Specifications

Detailed spec comparison table for Sony A7S III and Sony A7c
 Sony Alpha A7S IIISony Alpha A7c
General Information
Make Sony Sony
Model Sony Alpha A7S III Sony Alpha A7c
Type Pro Mirrorless Advanced Mirrorless
Released 2020-07-21 2020-09-14
Physical type SLR-style mirrorless Rangefinder-style mirrorless
Sensor Information
Powered by Bionz XR -
Sensor type BSI-CMOS BSI-CMOS
Sensor size Full frame Full frame
Sensor dimensions 35.6 x 23.8mm 35.8 x 23.8mm
Sensor area 847.3mm² 852.0mm²
Sensor resolution 12 megapixels 24 megapixels
Anti aliasing filter
Aspect ratio 3:2 and 16:9 3:2 and 16:9
Peak resolution 4240 x 2832 6000 x 4000
Highest native ISO 102400 51200
Highest enhanced ISO 409600 204800
Minimum native ISO 80 100
RAW photos
Minimum enhanced ISO 50 50
Autofocusing
Manual focus
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 759 693
Lens
Lens mounting type Sony E Sony E
Number of lenses 121 122
Focal length multiplier 1 1
Screen
Type of screen Fully articulated Fully articulated
Screen size 3" 3"
Resolution of screen 1,440 thousand dots 922 thousand dots
Selfie friendly
Liveview
Touch friendly
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 9,440 thousand dots 2,360 thousand dots
Viewfinder coverage 100% 100%
Viewfinder magnification 0.91x 0.59x
Features
Minimum shutter speed 30s 30s
Fastest shutter speed 1/8000s 1/4000s
Fastest silent shutter speed - 1/8000s
Continuous shutter rate 10.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash range no built-in flash no built-in flash
Flash options no built-in flash no built-in flash
Hot shoe
AEB
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Highest video resolution 3840x2160 3840x2160
Video data format MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265 MPEG-4, XAVC S, H.264
Mic port
Headphone port
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.2 Gen 1 (5 GBit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 699 grams (1.54 lb) 509 grams (1.12 lb)
Physical dimensions 129 x 97 x 81mm (5.1" x 3.8" x 3.2") 124 x 71 x 60mm (4.9" x 2.8" x 2.4")
DXO scores
DXO Overall score 85 not tested
DXO Color Depth score 23.6 not tested
DXO Dynamic range score 13.3 not tested
DXO Low light score 2993 not tested
Other
Battery life 600 photos 740 photos
Form of battery Battery Pack Battery Pack
Battery model NP-FZ100 NP-FZ100
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse shooting With downloadable app
Storage type Dual SD/CFexpress Type A slots SD/SDHC/SDXC card (UHS-II supported)
Card slots Two 1
Price at release $3,499 $1,800