Camera Rocket Review Our evaluation of A7S vs D750

Image Quality

RAW image quality independent of lens

Sony A7S
9.9
Nikon D750
10.0
DxOMark Low light, DxOMark Color depth and DxOMark Dynamic range

Focusing

How fast and easily does the camera nail focus

focus points

Responsiveness

How much delay is there between you and your photo?

Sony A7S
10.0
Nikon D750
10.0
continuous shooting

Reviews

What do the experts think?

Sony A7S
n.d.
Reviews from sonyalpharumors.com, imaging-resource.com and dpreview.com

Camera Rocket Score

Image Quality, Focusing, Responsiveness and Reviews

Winner
Nikon D750 

Camera Rocket recommends the Nikon D750  based on its image quality and focusing.

See full details

Benchmarks Real world tests of Sony A7S vs Nikon D750

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

Sony A7S
2,993 ISO
Nikon D750
2,956 ISO

Shutter lag Delay to take a photo when prefocused

Sony A7S
24 ms
Nikon D750
54 ms

Continuous shooting Delay between fully pressing shutter to image capture

Sony A7S
5 fps
Nikon D750
6.5 fps

Battery life How many photos per battery charge (CIPA)

Sony A7S
320 photos
Nikon D750
1,230 photos

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

Sony A7S
23.6 bits
Nikon D750
24.8 bits

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

Sony A7S
13.3 ev
Nikon D750
14.5 ev

Features Key features of the Sony A7S  vs Nikon D750 

Megapixels Maximum resolution images are captured at

Sony A7S
12.4 MP
Nikon D750
24.3 MP

Focus points How many different points the camera can focus on

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

Viewfinder size Large viewfinders are brighter and more comfortable to use

Sony A7S
0.71x
Nikon D750
0.7x

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

Sony A7S
69.1 microns
Nikon D750
35.4 microns

Specifications Full list of technical specs

sensor

Sony A7S  vs
Nikon D750 
Type Exmor R CMOS CMOS
Megapixels 12.4 MP 24.3 MP
Resolution 4064 x 3048 5696 x 4272
Size Full frame Full frame
Area 35.8 x 23.9 mm 35.9 x 24 mm
Crop factor 1.0x 1.0x
Pixel size 69.1 microns 35.4 microns
Light sensitivity 100 ISO to 409,600 ISO 100 ISO to 12,800 ISO
Light sensitivity (Boost) None 50 ISO to 51,200 ISO
Codecs
RAW
JPEG
Self cleaning sensor No Yes

focus system

Type Contrast detection Phase detection
Focus points 25 51
Supports continuous Yes No

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 6.5 fps
Battery life 320 1,230
Continuous shooting
6.5 fps
5 fps
Shutter lag 24 ms 54 ms

video

Sony A7S  vs
Nikon D750 
Video 1920 x 1080 @ 60 fps 1920 x 1080 @ 60 fps
Shoots video in 24p Yes Yes
Shoots high speed video No No
External mic jack 3.5mm 3.5mm
Autofocus while shooting video Manual Contrast detection
Autofocus type N/A Contrast detection
Autofocus supports continuous N/A Yes

display

Type LCD TFT
Size 3" 3.2"
Resolution 921 k dots 1,229 k dots
Has a touch screen No No
Has a flip out screen Yes Yes
Supports live view Yes Yes

shutter

Min 30 s 30 s
Max 1/8000 s 1/4000 s

form factor

Size 126.9 x 94.4 x 48.2 mm 141 x 113 x 78 mm
Thickness 48.2 mm 78 mm
Weight 489 g 750 g
Is weather sealed Yes Yes

features

Includes a GPS No No
Supports HDR Yes Yes
WiFi None Yes
Automatic panorama Yes No
Create realistic 3D images No No
Image stabilization
Sony A7S
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Nikon D750
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