Sony Alpha a9 II vs Nikon D300

This is a full comparison between the cameras Sony Alpha a9 II and Nikon D300. We compare them by looking at the categories you see below.


Sony Alpha a9 II is manufacturered by Sony but Nikon D300 is from Nikon. Both Sony and Nikon are well known brands though.

Sony Alpha a9 II were released 2019 and Nikon D300 was released 2006. That is a 13 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Sony Alpha a9 II 2019
Nikon D300 2006

Type of camera

Sony Alpha a9 II is a Mirrorless camera while Nikon D300 is a DSLR camera. More information about their differences will come soon.

Sensors / crop factor

These cameras have different sensors. Sony Alpha a9 II has a "Sony Full Frame"-sensor while Nikon D300 has a "Nikon DX"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

Camera Focal length, 50mm f/1.8 **
Sony Alpha a9 II 50 mm
Full-frame sensor
No crop factor/focal length multiplier
Nikon D300 75 mm
Nikon DX sensor
Crop factor/focal length multiplier by * 1.5

** 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)


Sony Alpha a9 II has a 24 MP (Megapixels) resolution while Nikon D300 has 12,3 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Sony Alpha a9 II 24 MP
24000000 pixels
6000 x 4000
Nikon D300 12,3 MP
12212224 pixels
4288 x 2848

Sony Alpha a9 II has a 97 % larger resolution than Nikon D300. 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 Alpha a9 II has a larger ISO-range than Nikon D300. Sony Alpha a9 II has an ISO range that stretches from 100 to 51200 while Nikon D300 has 200 to 6400.

Camera ISO Range
Sony Alpha a9 II 100-51200
Nikon D300 200-6400

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 Alpha a9 II
Lens compatibility chart for Nikon D300

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony Alpha a9 II can shoot up to 20 pictures per seconds and Nikon D300 can shoot up to 6 pictures per seconds.

Camera FPS (Frames per second)
Sony Alpha a9 II 20
Nikon D300 6

Ability to record movies

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

When comparing these two cameras there is only one of them that can shoot movies and that is Sony Alpha a9 II. Unfortunately Nikon D300 does not support recording movies and movie clips.


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 D300 weighs 925 gr (equal to 2.04 lb) which is 36% heavier than Sony Alpha a9 II and its 678 gr (or 1.49 lb).

Camera Weight
Sony Alpha a9 II 678 gr
1.49 lb
Nikon D300 925 gr
2.04 lb

Sony Alpha a9 II vs Nikon D300 Specs

Below you will find the complete and detailed technical specs for both Sony Alpha a9 II and Nikon D300, 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.

Sony Alpha a9 II
Nikon D300
Name Sony Alpha a9 II Nikon D300
Manufacturer Sony Nikon
Release Date and Price
Sony Alpha a9 II
Nikon D300
Release Year 2019 2006
Release Date 2019-10-03 2007-08-23
MSRP 4499 USD 1799 USD
Buy it today
Camera Type
Sony Alpha a9 II
Nikon D300
Camera Type Mirrorless DSLR
Sony Alpha a9 II
Nikon D300
Sensor Size Full Frame (approx 36 x 24 mm) APS-C (approx 23.7 x 15.5 mm)
Also known as "DX"
Sensor Type Stacked CMOS CMOS
Resolution 6000 x 4000 pixels 4288 x 2848 pixels
Megapixels 24 MP 12,3 MP
Image Processor Bionz X EXPEED
Sony Alpha a9 II
Nikon D300
ISO Range 100 - 51200 200 - 6400
White Balance Presets 9 12
Custom White Balance Yes Yes
Image Stabilization Yes
(Sensor-Shift (5-axis))
Image Stabilization CIPA Rating 5.5 stops 0 stops
Uncompressed format RAW RAW + TIFF
Optics & Focus
Sony Alpha a9 II
Nikon D300
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Selective Single Point
Face Detection
Contract Detect (sensor)
Phase Detect
Multi Area
Selective Single Point
Face Detection
Focus Points 693 51
Lens Mount Sony E

See Compatible Lenses
Nikon F

See Compatible Lenses
Focal Length Multiplier Full frame
No multiplier
24 mm remains 24 mm
50 mm remains 50 mm
100 mm remains 100 mm
200 mm remains 200 mm
DX / APS-C (1.5x)
1.5x multiplier
24 mm becomes 36 mm
50 mm becomes 75 mm
100 mm becomes 150 mm
200 mm becomes 300 mm
Screen & Viewfinder
Sony Alpha a9 II
Nikon D300
Articulated LCD Tilting Fixed
Screen size 3 3
Screen dots 1440000 922000
Touch screen Yes No
Screen type TFT LCD Super Density TFT color LCD with wide-viewing angle
Live view Yes Yes
Viewfinder Type Electronic Optical (pentaprism)
Viewfinder Coverage 100% 100%
Viewfinder Magnification 0.78x 0.94 (0.63 35mm equiv.)
Viewfinder Resolution 3686400 N/A
Photography features
Sony Alpha a9 II
Nikon D300
Frames per second 20 fps 6 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/8000 seconds 1/8000 seconds
Built-in Flash No Yes
Built-in Flash Range N/A 12 meters
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse Yes Yes
Metering modes Multi
Center Weighted
Highlight Weighted
Center Weighted
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Sony Alpha a9 II
Nikon D300
Video recording Yes No
Video format MPEG4
Video resolution 1280 x 720
1920 x 1080
3840 x 2160
Built-in Microphone Yes No
Built-in Speakers Yes No
Sony Alpha a9 II
Nikon D300
Memory Card SD/SDHC
Compact Flash
Sony Alpha a9 II
Nikon D300
HDMI Output Yes Yes
Microphone Port Yes No
Headphone Port Yes No
Wireless Yes
Built-in (802.11ac + NFC + Bluetooth)
Remote Control Yes (Wired or wireless) Yes (Optional)
GPS No Yes
Optional through GP-1
Body & Dimensions
Sony Alpha a9 II
Nikon D300
Enviromentally sealed Yes Yes
Battery Battery Pack Battery Pack
Battery Details NP-FZ100
Lithium-Ion EN-EL3e rechargeable battery & charger
Battery Life (CIPA) 690 shots 1000 shots
Width 129 mm 147 mm
Height 96 mm 114 mm
Depth 76 mm 74 mm
Weight 678 gram 925 gram