Nikon D90 vs Nikon D300s

This is a full comparison between the cameras Nikon D90 and Nikon D300s. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Nikon.

Nikon D90 were released 2008 and Nikon D300s was released 2009. That is a 1 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Nikon D90 2008
Nikon D300s 2009

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

Both these cameras have the same sorts of sensor (called "Nikon DX") which means that if you compare these cameras side by side the lenses will also have the same experienced focal length. Neither of the cameras has a Full frame sensor which means that you will get a "crop factor" where the camera's sensor size affect the focal length with a multiplier.

Camera Focal length, 50mm f/1.8 **
Nikon D90 75 mm
Nikon DX sensor
Crop factor/focal length multiplier by * 1.5
Nikon D300s 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 (Nikon)

Resolution

Both these cameras have the exact same resolution. Nikon D90 has a 12,3 MP (Megapixels) resolution while Nikon D300s has 12,3 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Nikon D90 12,3 MP
12212224 pixels
4288 x 2848
Nikon D300s 12,3 MP
12212224 pixels
4288 x 2848

ISO range

Both of these cameras offer the exact same ISO range. They both have 200 to 6400.

Camera ISO Range
Nikon D90 200-6400
Nikon D300s 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 Nikon D90
Lens compatibility chart for Nikon D300s

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon D90 can shoot up to 4,5 pictures per seconds and Nikon D300s can shoot up to 7 pictures per seconds.

Camera FPS (Frames per second)
Nikon D90 4,5
Nikon D300s 7

Ability to record movies

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

In this case, both Nikon D90 and Nikon D300s 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 D300s weighs 938 gr (equal to 2.07 lb) which is 33% heavier than Nikon D90 and its 703 gr (or 1.55 lb).

Camera Weight
Nikon D90 703 gr
1.55 lb
Nikon D300s 938 gr
2.07 lb

Nikon D90 vs Nikon D300s Specs

Below you will find the complete and detailed technical specs for both Nikon D90 and Nikon D300s, 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
Nikon D90
Nikon D300s
Name Nikon D90 Nikon D300s
Manufacturer Nikon Nikon
Release Date and Price
Nikon D90
Nikon D300s
Release Year 2008 2009
Release Date 2008-08-27 2009-07-30
MSRP 899 USD 1799 USD
Buy it today
Camera Type
Nikon D90
Nikon D300s
Camera Type DSLR DSLR
Sensor
Nikon D90
Nikon D300s
Sensor Size APS-C (approx 23.7 x 15.5 mm)
Also known as "DX"
APS-C (approx 23.7 x 15.5 mm)
Also known as "DX"
Sensor Type CMOS CMOS
Resolution 4288 x 2848 pixels 4288 x 2848 pixels
Megapixels 12,3 MP 12,3 MP
Image Processor Nikon LSI (Large Scale Integration) EXPEED
Image
Nikon D90
Nikon D300s
ISO Range 200 - 6400 200 - 6400
White Balance Presets 12 12
Custom White Balance Yes Yes
Image Stabilization No No
Image Stabilization CIPA Rating 0 stops 0 stops
Uncompressed format RAW RAW + TIFF
Optics & Focus
Nikon D90
Nikon D300s
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Face Detection
LiveView
Contract Detect (sensor)
Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Face Detection
LiveView
Focus Points 11 51
Lens Mount Nikon F

See Compatible Lenses
Nikon F

See Compatible Lenses
Focal Length Multiplier DX / APS-C (1.5x)
1.5x multiplier
Example:
24 mm becomes 36 mm
50 mm becomes 75 mm
100 mm becomes 150 mm
200 mm becomes 300 mm
DX / APS-C (1.5x)
1.5x multiplier
Example:
24 mm becomes 36 mm
50 mm becomes 75 mm
100 mm becomes 150 mm
200 mm becomes 300 mm
Screen & Viewfinder
Nikon D90
Nikon D300s
Articulated LCD Fixed Fixed
Screen size 3 3
Screen dots 920000 920000
Touch screen No No
Screen type Super Density TFT color LCD with wide-viewing angle Super Density TFT color LCD with wide-viewing angle
Live view Yes Yes
Viewfinder Type Optical (pentaprism) Optical (pentaprism)
Viewfinder Coverage 96% 100%
Viewfinder Magnification 0.96 (0.64 35mm equiv.) 0.94 (0.63 35mm equiv.)
Viewfinder Resolution N/A N/A
Photography features
Nikon D90
Nikon D300s
Frames per second 4,5 fps 7 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/4000 seconds 1/8000 seconds
Built-in Flash Yes Yes
Built-in Flash Range 17 meters 12 meters
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse Yes Yes
Metering modes Multi
Center Weighted
Spot
Multi
Center Weighted
Spot
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Nikon D90
Nikon D300s
Video recording Yes Yes
Video format MPEG4
Motion JPEG
Video resolution 1280 x 720
1280 x 720
Built-in Microphone Yes Yes
Built-in Speakers Yes No
Storage
Nikon D90
Nikon D300s
Memory Card SD/SDHC
Compact Flash
Connectivity
Nikon D90
Nikon D300s
HDMI Output Yes Yes
Microphone Port No No
Headphone Port No No
Wireless Yes
Eye-Fi Connected
Yes
Eye-Fi Connected
Remote Control Yes (Optional ML-L3 or MC-DC2)
Yes (Optional, wired or wireless)
GPS Yes
Optional
Yes
Optional with GP-1
Body & Dimensions
Nikon D90
Nikon D300s
Enviromentally sealed No Yes
Battery Battery Pack Battery Pack
Battery Details Lithium-Ion EN-EL3e rechargeable battery & charger
Lithium-Ion EN-EL3e rechargeable battery & charger
Battery Life (CIPA) 850 shots 950 shots
Width 132 mm 147 mm
Height 103 mm 114 mm
Depth 77 mm 74 mm
Weight 703 gram 938 gram