Sony a9 II vs Nikon D6

This is a full comparison between the cameras Sony a9 II and Nikon D6. We compare them by looking at the categories you see below.

Manufacturing

Sony a9 II is manufacturered by Sony but Nikon D6 is from Nikon. Both Sony and Nikon are well known brands though.

Sony a9 II were released 2019 and Nikon D6 was released 2020. That is a 1 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Sony a9 II 2019
Nikon D6 2020

Type of camera

Sony a9 II is a Mirrorless camera while Nikon D6 is a DSLR camera. More information about their differences will come soon.

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 a9 II 50 mm
Full-frame sensor
No crop factor/focal length multiplier
Nikon D6 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 a9 II has a 24 MP (Megapixels) resolution while Nikon D6 has 21 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Sony a9 II 24 MP
24000000 pixels
6000 x 4000
Nikon D6 21 MP
20668416 pixels
5568 x 3712

Sony a9 II has a 16 % larger resolution than Nikon D6. 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

Nikon D6 has a larger ISO-range than Sony a9 II. Nikon D6 has an ISO range that stretches from 100 to 102400 while Sony a9 II has 100 to 51200.

Camera ISO Range
Sony a9 II 100-51200
Nikon D6 100-102400

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 a9 II
Lens compatibility chart for Nikon D6

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a9 II can shoot up to 20 pictures per seconds and Nikon D6 can shoot up to 14 pictures per seconds.

Camera FPS (Frames per second)
Sony a9 II 20
Nikon D6 14

Ability to record movies

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

In this case, both Sony a9 II and Nikon D6 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 D6 weighs 1270 gr (equal to 2.8 lb) which is 87% heavier than Sony a9 II and its 678 gr (or 1.49 lb).

Camera Weight
Sony a9 II 678 gr
1.49 lb
Nikon D6 1270 gr
2.8 lb

Sony a9 II vs Nikon D6 Specs

Below you will find the complete and detailed technical specs for both Sony a9 II and Nikon D6, 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 a9 II
Nikon D6
Name Sony a9 II Nikon D6
Manufacturer Sony Nikon
Release Date and Price
Sony a9 II
Nikon D6
Release Year 2019 2020
Release Date 2019-10-03 2019-09-04
MSRP 4499 USD 6499 USD
Buy it today
Camera Type
Sony a9 II
Nikon D6
Camera Type Mirrorless DSLR
Sensor
Sony a9 II
Nikon D6
Sensor Size Full Frame (approx 36 x 24 mm) Full Frame (approx 36 x 23.9 mm)
Also known as "FX"
Sensor Type Stacked CMOS CMOS
Resolution 6000 x 4000 pixels 5568 x 3712 pixels
Megapixels 24 MP 21 MP
Image Processor Bionz X EXPEED 6
Image
Sony a9 II
Nikon D6
ISO Range 100 - 51200 100 - 102400
White Balance Presets 9 12
Custom White Balance Yes Yes
Image Stabilization Yes
(Sensor-Shift (5-axis))
No
Image Stabilization CIPA Rating 5.5 stops 0 stops
Uncompressed format RAW RAW
Optics & Focus
Sony a9 II
Nikon D6
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Touch
Face Detection
LiveView
Focus Points 693 105
Lens Mount Sony E

See Compatible Lenses
Nikon F

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 a9 II
Nikon D6
Articulated LCD Tilting Fixed
Screen size 3” 3.2”
Screen dots 1440000 2359000
Touch screen Yes Yes
Screen type TFT LCD TFT LCD
Live view Yes Yes
Viewfinder Type Electronic Optical (pentaprism)
Viewfinder Coverage 100% 100%
Viewfinder Magnification 0.78x 0.72x
Viewfinder Resolution 3686400 0
Photography features
Sony a9 II
Nikon D6
Frames per second 20 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 Yes Yes
Metering modes Multi
Center Weighted
Highlight Weighted
Spot
Average
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, 1 EV steps)
Videography features
Sony a9 II
Nikon D6
Video recording Yes Yes
Video format MPEG4
H.264
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 a9 II
Nikon D6
Memory Card SD/SDHC
Compact Flash Express
XQD
Connectivity
Sony a9 II
Nikon D6
HDMI Output Yes Yes
Microphone Port Yes Yes
Headphone Port Yes Yes
Wireless Yes
Built-in (802.11ac + NFC + Bluetooth)
Yes
Built-in (802.11ac + Bluetooth)
Remote Control Yes (Wired or wireless) Yes (Wired or smartphone)
GPS No Yes
Built-in
Body & Dimensions
Sony a9 II
Nikon D6
Enviromentally sealed Yes Yes
Battery Battery Pack Battery Pack
Battery Details NP-FZ100
EN-EL18c lithium-ion battery & charager
Battery Life (CIPA) 690 shots 3580 shots
Width 129 mm 160 mm
Height 96 mm 163 mm
Depth 76 mm 92 mm
Weight 678 gram 1270 gram