Camera Rocket Review Our evaluation of A7 vs D3S

Image Quality

RAW image quality independent of lens

Sony A7
10.0
Nikon D3S
9.8
DxOMark Low light, DxOMark Color depth and DxOMark Dynamic range

Focusing

How fast and easily does the camera nail focus

Sony A7
8.0
Nikon D3S
7.8
Focus lag, cross type focus points and focus points

Responsiveness

How much delay is there between you and your photo?

Sony A7
8.1
Nikon D3S
9.1
Focus lag, continuous shooting and Startup delay

Reviews

What do the experts think?

Sony A7
9.2
Nikon D3S
9.5
Reviews from sonyalpharumors.com, imaging-resource.com, 1001noisycameras.com and 5 more

Camera Rocket Score

Image Quality, Focusing, Responsiveness and Reviews

Sony A7
9.2
Nikon D3S
9.4

Winner
Nikon D3S 

Camera Rocket recommends the Nikon D3S  based on its responsiveness and reviews.

See full details

Benchmarks Real world tests of Sony A7 vs Nikon D3S

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

Sony A7
2,449 ISO
Nikon D3S
3,253 ISO

Focus lag Delay between fully pressing shutter to image capture

Sony A7
221 ms
Nikon D3S
197 ms

Shutter lag Delay to take a photo when prefocused

Sony A7
53 ms
Nikon D3S
43 ms

Startup delay Delay from power on to first photo

Sony A7
1,700 ms
Nikon D3S
120 ms

Continuous shooting Delay between fully pressing shutter to image capture

Sony A7
5 fps
Nikon D3S
9 fps

Battery life How many photos per battery charge (CIPA)

Sony A7
340 photos
Nikon D3S
4,200 photos

Features Key features of the Sony A7  vs Nikon D3S 

Megapixels Maximum resolution images are captured at

Sony A7
24 MP
Nikon D3S
12.1 MP

Max ISO Maximum light sensitivity of the sensor

Sony A7
25,600 ISO
Nikon D3S
102,400 ISO

Focus points How many different points the camera can focus on

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

Viewfinder size Large viewfinders are brighter and more comfortable to use

Sony A7
0.71x
Nikon D3S
0.7x

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

Sony A7
35.7 microns
Nikon D3S
71.4 microns

Reviews Word on the street

Sony A7  vs Nikon D3S 

8.0
8.9
For more advanced processing, Nikon offers the considerably more sophisticated Capture NX2, which is a truly professional-grade platform for in-depth raw and JPEG adjustment.
Nikon D3S

9.0
8.0

Overall

8.4 Out of 10
9.1 Out of 10

Specifications Full list of technical specs

sensor

Sony A7  vs
Nikon D3S 
Type CMOS CMOS
Megapixels 24 MP 12.1 MP
Resolution 6000 x 4000 4256 x 2832
Size Full frame Full frame
Area 35.8 x 23.9 mm 36 x 23.9 mm
Crop factor 1.0x 1.0x
Pixel size 35.7 microns 71.4 microns
Light sensitivity 100 ISO to 25,600 ISO 200 ISO to 12,800 ISO
Light sensitivity (Boost) 100 ISO to 25,600 ISO 12,800 ISO to 102,400 ISO
Codecs
RAW
JPEG
Self cleaning sensor Yes Yes

focus system

Type Hybrid detection Phase detection
Focus points 117 51
Cross type focus points 25 15
Supports continuous Yes No

shutter

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

form factor

Size 127 x 94 x 48 mm 160 x 157 x 88 mm
Thickness 48 mm 88 mm
Weight 417 g 1,240 g
Is weather sealed Yes Yes

features

Includes a GPS No No
Supports HDR Yes No
Automatic panorama Yes No
Create realistic 3D images No No
Image stabilization

video

Sony A7  vs
Nikon D3S 
Video 1920 x 1080 @ 60 fps 1280 x 720 @ 24 fps
Shoots video in 24p Yes Yes
Shoots high speed video No No
External mic jack 3.5mm 3.5mm
Autofocus while shooting video Phase detection

display

Type LCD LCD
Size 3" 3"
Resolution 1,229 k dots 921 k dots
Has a touch screen No No
Has a flip out screen Yes No
Supports live view Yes Yes

viewfinder

Viewfinder mirror None Opaque
Viewfinder Yes Yes
Type Electronic Pentaprism
Coverage 100% 100%
Magnification 0.71x 0.7x
Viewfinder size 0.71x 0.7x

performance

Max continuous shooting 5 fps 9 fps
Battery life 340 4,200
Continuous shooting
9 fps, JPEG
5 fps
Focus lag 221 ms 197 ms
Shutter lag 53 ms 43 ms
Startup delay 1,700 ms 120 ms
Sony A7
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Nikon D3S
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