Camera Rocket Review Our evaluation of A7S vs 5DS

Image Quality

RAW image quality independent of lens

Sony A7S
9.9
EOS 5DS
9.9
DxOMark Low light, DxOMark Color depth and DxOMark Dynamic range

Focusing

How fast and easily does the camera nail focus

Sony A7S
5.3
EOS 5DS
5.7
focus points

Responsiveness

How much delay is there between you and your photo?

Sony A7S
10.0
EOS 5DS
10.0
continuous shooting

Reviews

What do the experts think?

Sony A7S
n.d.
EOS 5DS
9.2
Reviews from sonyalpharumors.com, imaging-resource.com and dpreview.com

No winner declared

Too close to call

Benchmarks Real world tests of Sony A7S vs EOS 5DS

Low light image quality Highest ISO setting that still achieves great image quality

Sony A7S
2,993 ISO
EOS 5DS
2,381 ISO

Continuous shooting Delay between fully pressing shutter to image capture

Sony A7S
5 fps
EOS 5DS
5 fps

Battery life How many photos per battery charge (CIPA)

Sony A7S
320 photos
EOS 5DS
700 photos

Color depth The number of variations of color the camera can capture

Sony A7S
23.6 bits
EOS 5DS
24.7 bits

Dynamic range Maximum range a camera can capture in one image from light to dark

Sony A7S
13.3 ev
EOS 5DS
12.4 ev

Features Key features of the Sony A7S  vs EOS 5DS 

Megapixels Maximum resolution images are captured at

Sony A7S
12.4 MP
EOS 5DS
50.3 MP

Focus points How many different points the camera can focus on

Screen size Larger screens make it easier to preview and review photos

EOS 5DS
3.2"

Viewfinder size Large viewfinders are brighter and more comfortable to use

Sony A7S
0.71x
EOS 5DS
0.71x

Pixel size How much area of the sensor is dedicated to each pixel

Sony A7S
69.1 microns
EOS 5DS
17.2 microns

Specifications Full list of technical specs

sensor

Sony A7S  vs
EOS 5DS 
Type Exmor R CMOS CMOS
Megapixels 12.4 MP 50.3 MP
Resolution 4064 x 3048 8688 x 5792
Size Full frame Full frame
Area 35.8 x 23.9 mm 36 x 24 mm
Crop factor 1.0x 1.0x
Pixel size 69.1 microns 17.2 microns
Light sensitivity 100 ISO to 409,600 ISO 50 ISO to 12,800 ISO

focus system

Type Contrast detection Phase detection
Focus points 25 61
Supports continuous Yes Yes

viewfinder

Viewfinder mirror None Opaque
Viewfinder Yes Yes
Type Electronic Pentaprism
Coverage 100% 100%
Magnification 0.71x 0.71x
Viewfinder size 0.71x 0.71x

performance

Max continuous shooting 5 fps 5 fps
Battery life 320 700
Continuous shooting
5 fps

video

Sony A7S  vs
EOS 5DS 
Video 1920 x 1080 @ 60 fps 1920 x 1080 @ 30 fps
Shoots video in 24p Yes Yes
Shoots high speed video No No
External mic jack 3.5mm 3.5mm

display

Type LCD LCD
Size 3" 3.2"
Resolution 921 k dots 1,040 k dots
Has a touch screen No No
Has a flip out screen Yes No
Supports live view Yes Yes

shutter

Min 30 s 30 s
Max 1/8000 s 1/8000 s

form factor

Size 126.9 x 94.4 x 48.2 mm 152 x 116 x 76 mm
Thickness 48.2 mm 76 mm
Weight 489 g 930 g
Is weather sealed Yes Yes

features

Includes a GPS No No
WiFi None None
Sony A7S
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Canon EOS 5DS
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