Sony a450 vs Nikon D90

This is a full comparison between the cameras Sony a450 and Nikon D90. We compare them by looking at the categories you see below.

Manufacturing

Sony a450 is manufacturered by Sony but Nikon D90 is from Nikon. Both Sony and Nikon are well known brands though.

Sony a450 were released 2010 and Nikon D90 was released 2008. That is a 2 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Sony a450 2010
Nikon D90 2008

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Sony a450 has a "Sony APS-C"-sensor while Nikon D90 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 a450 75 mm
Sony APS-C sensor
Crop factor/focal length multiplier by * 1.5
Nikon D90 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)

Resolution

Sony a450 has a 14 MP (Megapixels) resolution while Nikon D90 has 12,3 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Sony a450 14 MP
14033152 pixels
4592 x 3056
Nikon D90 12,3 MP
12212224 pixels
4288 x 2848

Sony a450 has a 15 % larger resolution than Nikon D90. 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 a450 has a larger ISO-range than Nikon D90. Sony a450 has an ISO range that stretches from 200 to 12800 while Nikon D90 has 200 to 6400.

Camera ISO Range
Sony a450 200-12800
Nikon D90 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 a450
Lens compatibility chart for Nikon D90

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a450 can shoot up to 7 pictures per seconds and Nikon D90 can shoot up to 4,5 pictures per seconds.

Camera FPS (Frames per second)
Sony a450 7
Nikon D90 4,5

Ability to record movies

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

It is only one of these two cameras that support recording movies and movie clips and that is Nikon D90. Sadly, the Sony a450 does not support this.

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 D90 weighs 703 gr (equal to 1.55 lb) which is 26% heavier than Sony a450 and its 560 gr (or 1.23 lb).

Camera Weight
Sony a450 560 gr
1.23 lb
Nikon D90 703 gr
1.55 lb

Sony a450 vs Nikon D90 Specs

Below you will find the complete and detailed technical specs for both Sony a450 and Nikon D90, 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 a450
Nikon D90
Name Sony a450 Nikon D90
Manufacturer Sony Nikon
Release Date and Price
Sony a450
Nikon D90
Release Year 2010 2008
Release Date 2010-01-05 2008-08-27
MSRP N/A 899 USD
Buy it today
Camera Type
Sony a450
Nikon D90
Camera Type DSLR DSLR
Sensor
Sony a450
Nikon D90
Sensor Size APS-C (approx 23.5 x 15.6 mm) APS-C (approx 23.7 x 15.5 mm)
Also known as "DX"
Sensor Type CMOS CMOS
Resolution 4592 x 3056 pixels 4288 x 2848 pixels
Megapixels 14 MP 12,3 MP
Image Processor Bionz Nikon LSI (Large Scale Integration)
Image
Sony a450
Nikon D90
ISO Range 200 - 12800 200 - 6400
White Balance Presets 6 12
Custom White Balance Yes Yes
Image Stabilization Yes
(Sensor-Shift)
No
Image Stabilization CIPA Rating 0 stops 0 stops
Uncompressed format RAW RAW
Optics & Focus
Sony a450
Nikon D90
Autofocus Motor Yes Yes
Autofocus Phase Detect
Multi Area
Center
Selective Single Point
Single
Continuous
Contract Detect (sensor)
Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Face Detection
LiveView
Focus Points 9 11
Lens Mount Sony A

See Compatible Lenses
Nikon F

See Compatible Lenses
Focal Length Multiplier APS-C Sensor (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
Sony a450
Nikon D90
Articulated LCD Fixed Fixed
Screen size 2.7” 3”
Screen dots 230400 920000
Touch screen No No
Screen type TFT Clear Photo Color LCD Super Density TFT color LCD with wide-viewing angle
Live view Yes Yes
Viewfinder Type Optical (pentamirror) Optical (pentaprism)
Viewfinder Coverage 95% 96%
Viewfinder Magnification 0.8× (0.53× 35mm equiv.) 0.96× (0.64× 35mm equiv.)
Viewfinder Resolution N/A N/A
Photography features
Sony a450
Nikon D90
Frames per second 7 fps 4,5 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/4000 seconds 1/4000 seconds
Built-in Flash Yes Yes
Built-in Flash Range 12 meters 17 meters
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse No Yes
Metering modes Multi
Center Weighted
Spot
Multi
Center Weighted
Spot
Exposure Compensation +/- 2 (at 1/3 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Sony a450
Nikon D90
Video recording No Yes
Video format N/A MPEG4
Video resolution N/A 1280 x 720
Built-in Microphone No Yes
Built-in Speakers No Yes
Storage
Sony a450
Nikon D90
Memory Card Memory Stick Pro Duo
SD/SDHC
SD/SDHC
Connectivity
Sony a450
Nikon D90
HDMI Output Yes Yes
Microphone Port No No
Headphone Port No No
Wireless No Yes
Eye-Fi Connected
Remote Control Yes (Wired or wirelss (optional)) Yes (Optional ML-L3 or MC-DC2)
GPS No Yes
Optional
Body & Dimensions
Sony a450
Nikon D90
Enviromentally sealed No No
Battery Battery Pack Battery Pack
Battery Details Lithium-Ion NP-FM500H rechargeable battery & charger
Lithium-Ion EN-EL3e rechargeable battery & charger
Battery Life (CIPA) 1050 shots 850 shots
Width 137 mm 132 mm
Height 104 mm 103 mm
Depth 81 mm 77 mm
Weight 560 gram 703 gram