Sony a7S II vs Nikon Z6 II

This is a full comparison between the cameras Sony a7S II and Nikon Z6 II. We compare them by looking at the categories you see below.

Manufacturing

Sony a7S II is manufacturered by Sony but Nikon Z6 II is from Nikon. Both Sony and Nikon are well known brands though.

Sony a7S II were released 2015 and Nikon Z6 II was released 2020. That is a 5 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Sony a7S II 2015
Nikon Z6 II 2020

Type of camera

Both these cameras are Mirrorless cameras. No difference there.

Sensors / crop factor

Even though the camera sensors might be called differently they are both considered Full frame which means that the focal length of the lenses is not affected. There is no crop factor on any of these cameras and sensors.

Camera Focal length, 50mm f/1.8 **
Sony a7S II 50 mm
Full-frame sensor
No crop factor/focal length multiplier
Nikon Z6 II 50 mm
Full-frame sensor
No crop factor/focal length multiplier

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Sony)
Camera selection can affect the focal length (Nikon)

Resolution

Sony a7S II has a 12 MP (Megapixels) resolution while Nikon Z6 II has 25 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Sony a7S II 12 MP
12007680 pixels
4240 x 2832
Nikon Z6 II 25 MP
24337152 pixels
6048 x 4024

Nikon Z6 II has a 103 % larger resolution than Sony a7S II. This could give you more details in the picture but also a possibility to crop more in the pictures, afterward while editing the pictures, if needed that is.

ISO range

Sony a7S II has a larger ISO-range than Nikon Z6 II. Sony a7S II has an ISO range that stretches from 100 to 102400 while Nikon Z6 II has 100 to 51200.

Camera ISO Range
Sony a7S II 100-102400
Nikon Z6 II 100-51200

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Sony a7S II
Lens compatibility chart for Nikon Z6 II

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a7S II can shoot up to 5 pictures per seconds and Nikon Z6 II can shoot up to 14 pictures per seconds.

Camera FPS (Frames per second)
Sony a7S II 5
Nikon Z6 II 14

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

In this case, both Sony a7S II and Nikon Z6 II can shoot movies.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Nikon Z6 II weighs 705 gr (equal to 1.55 lb) which is 12% heavier than Sony a7S II and its 627 gr (or 1.38 lb).

Camera Weight
Sony a7S II 627 gr
1.38 lb
Nikon Z6 II 705 gr
1.55 lb

Sony a7S II vs Nikon Z6 II Specs

Below you will find the complete and detailed technical specs for both Sony a7S II and Nikon Z6 II, next to each other. Each category of data is a link to an article covering the subject, giving you a deeper understanding so you can better understand the strengths and weaknesses of the two camera models.

Product
Sony a7S II
Nikon Z6 II
Name Sony a7S II Nikon Z6 II
Manufacturer Sony Nikon
Release Date and Price
Sony a7S II
Nikon Z6 II
Release Year 2015 2020
Release Date 2015-09-11 2020-10-14
MSRP 2999 USD 1995 USD
Buy it today
Camera Type
Sony a7S II
Nikon Z6 II
Camera Type Mirrorless Mirrorless
Sensor
Sony a7S II
Nikon Z6 II
Sensor Size Full Frame (approx 36 x 24 mm) Full Frame (approx 36 x 23.9 mm)
Also known as "FX"
Sensor Type CMOS BSI-CMOS
Resolution 4240 x 2832 pixels 6048 x 4024 pixels
Megapixels 12 MP 25 MP
Image Processor Bionz X DUAL EXPEED 6
Image
Sony a7S II
Nikon Z6 II
ISO Range 100 - 102400 100 - 51200
White Balance Presets 10 12
Custom White Balance Yes Yes
Image Stabilization Yes
(Sensor-Shift (5 axis))
Yes
(Sensor-Shift)
Image Stabilization CIPA Rating 0 stops 0 stops
Uncompressed format RAW RAW + TIFF
Optics & Focus
Sony a7S II
Nikon Z6 II
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Multi Area
Center
Selective Single Point
Single
Continuous
Face Detection
LiveView
Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Focus Points 169 273
Lens Mount Sony E

See Compatible Lenses
Nikon Z

See Compatible Lenses
Focal Length Multiplier Full frame
No multiplier
Example:
24 mm remains 24 mm
50 mm remains 50 mm
100 mm remains 100 mm
200 mm remains 200 mm
FX (Full frame)
No multiplier
Example:
24 mm remains 24 mm
50 mm remains 50 mm
100 mm remains 100 mm
200 mm remains 200 mm
Screen & Viewfinder
Sony a7S II
Nikon Z6 II
Articulated LCD Tilting Tilting
Screen size 3” 3.2”
Screen dots 1228800 2100000
Touch screen No Yes
Screen type TFT-LCD TFT LCD
Live view Yes Yes
Viewfinder Type Electronic Electronic
Viewfinder Coverage 100% 100%
Viewfinder Magnification 0.78x 0.8x
Viewfinder Resolution N/A 3690000
Photography features
Sony a7S II
Nikon Z6 II
Frames per second 5 fps 14 fps
Minimum Shutter Speed 30 seconds 900 seconds
Maximum Shutter Speed 1/8000 seconds 1/8000 seconds
Built-in Flash No No
Built-in Flash Range N/A N/A
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse No Yes
Metering modes Multi
Center Weighted
Spot
Multi
Center Weighted
Highlight Weighted
Spot
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Sony a7S II
Nikon Z6 II
Video recording Yes Yes
Video format MPEG4
XAVC-S
AVCHD
MPEG4
H.264
Video resolution 1280 x 720
1920 x 1080
3840 x 2160
1920 x 1080
3840 x 2160
Built-in Microphone Yes Yes
Built-in Speakers Yes Yes
Storage
Sony a7S II
Nikon Z6 II
Memory Card Memory Stick Pro Duo
SD/SDHC
Compact Flash Express
SD/SDHC
XQD
Connectivity
Sony a7S II
Nikon Z6 II
HDMI Output Yes Yes
Microphone Port Yes Yes
Headphone Port Yes Yes
Wireless Yes
Built-in (802.11b/g/n with NFC)
Yes
Built-In (802.11ac + Bluetooth)
Remote Control Yes (wired or smartphone) Yes (via MC-DC2 or smartphone)
GPS No No
Body & Dimensions
Sony a7S II
Nikon Z6 II
Enviromentally sealed Yes Yes
Battery Battery Pack Battery Pack
Battery Details NP-FW50 lithium-ion battery and charger
EN-EL15c lithium-ion battery & charger
Battery Life (CIPA) 370 shots 410 shots
Width 127 mm 134 mm
Height 96 mm 101 mm
Depth 60 mm 70 mm
Weight 627 gram 705 gram