Camera Rocket Review Our evaluation of A7S vs NX1

Image Quality

RAW image quality independent of lens

DxOMark Low light, DxOMark Color depth and DxOMark Dynamic range

Focusing

How fast and easily does the camera nail focus

Focus lag and focus points

Responsiveness

How much delay is there between you and your photo?

Focus lag, continuous shooting and Startup delay

Reviews

What do the experts think?

Reviews from sonyalpharumors.com, imaging-resource.com and dpreview.com

Camera Rocket Score

Image Quality, Focusing, Responsiveness and Reviews

Winner
Sony A7S 

Camera Rocket recommends the Sony A7S  based on its focusing.

See full details

Benchmarks Real world tests of Sony A7S vs Samsung NX1

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

Sony A7S
2,993 ISO
Samsung NX1
1,363 ISO

Focus lag Delay between fully pressing shutter to image capture

Sony A7S
178 ms
Samsung NX1
252 ms

Shutter lag Delay to take a photo when prefocused

Sony A7S
24 ms
Samsung NX1
62 ms

Startup delay Delay from power on to first photo

Sony A7S
2,000 ms
Samsung NX1
700 ms

Continuous shooting Delay between fully pressing shutter to image capture

Sony A7S
5 fps
Samsung NX1
15 fps

Battery life How many photos per battery charge (CIPA)

Sony A7S
320 photos
Samsung NX1
500 photos

Features Key features of the Sony A7S  vs Samsung NX1 

Megapixels Maximum resolution images are captured at

Sony A7S
12.4 MP
Samsung NX1
28 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
Samsung NX1
0.68x

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

Sony A7S
69.1 microns
Samsung NX1
13.2 microns

Specifications Full list of technical specs

sensor

Sony A7S  vs
Samsung NX1 
Type Exmor R CMOS BSI-CMOS
Megapixels 12.4 MP 28 MP
Resolution 4064 x 3048 6480 x 4320
Size Full frame APS-C
Area 35.8 x 23.9 mm 23.5 x 15.7 mm
Crop factor 1.0x 1.5x
Pixel size 69.1 microns 13.2 microns
Light sensitivity 100 ISO to 409,600 ISO 100 ISO to 25,600 ISO
Light sensitivity (Boost) None 100 ISO to 51,200 ISO
Codecs
RAW
JPEG
Self cleaning sensor No Yes

focus system

Type Contrast detection Hybrid detection
Focus points 25 209
Supports continuous Yes Yes

viewfinder

Viewfinder mirror None None
Viewfinder Yes Yes
Type Electronic Electronic
Coverage 100% 100%
Magnification 0.71x 1.04x
Viewfinder size 0.71x 0.68x
Display type TFT OLED
Display resolution 2,359 k dots 2,360 k dots

performance

Max continuous shooting 5 fps 15 fps
Battery life 320 500
Continuous shooting
15 fps
5 fps
Focus lag 178 ms 252 ms
Shutter lag 24 ms 62 ms
Startup delay 2,000 ms 700 ms

video

Sony A7S  vs
Samsung NX1 
Video 1920 x 1080 @ 60 fps 4096 x 2160 @ 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 Manual Hybrid detection
Autofocus type N/A Hybrid detection
Autofocus supports continuous N/A Yes

display

Type LCD OLED
Size 3" 3"
Resolution 921 k dots 1,036 k dots
Has a touch screen No Yes
Has a flip out screen Yes Yes
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 139 x 102 x 66 mm
Thickness 48.2 mm 66 mm
Weight 489 g 550 g
Is weather sealed Yes Yes

features

Includes a GPS No No
Supports HDR Yes Yes
WiFi None None
Automatic panorama Yes Yes
Create realistic 3D images No No
Image stabilization
Sony A7S
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Samsung NX1
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