Sony a900 vs Canon EOS 400D

This is a full comparison between the cameras Sony a900 and Canon EOS 400D. We compare them by looking at the categories you see below.

Manufacturing

Sony a900 is manufacturered by Sony but Canon EOS 400D is from Canon. Both Sony and Canon are well known brands though.

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Sony a900 has a "Sony Full Frame"-sensor while Canon EOS 400D has a "Canon APS-C"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

** 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 (Canon)

Resolution

Sony a900 has a 25 MP (Megapixels) resolution while Canon EOS 400D has 10,1 MP. If we break down this in more detail this is the data behind the numbers:

Sony a900 has a 142 % larger resolution than Canon EOS 400D. 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

Both of these cameras offer the exact same ISO range. They both have 100 to 1600.

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 a900
Lens compatibility chart for Canon EOS 400D

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a900 can shoot up to 5 pictures per seconds and Canon EOS 400D can shoot up to 3 pictures per seconds.

Ability to record movies

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

Though, neither Sony a900 or Canon EOS 400D can shoot movies so if that is a functionality that you are really looking for you should look elsewhere.

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.

Sony a900 weighs 895 gr (equal to 1.97 lb) which is 61% heavier than Canon EOS 400D and its 556 gr (or 1.23 lb).

Sony a900 vs Canon EOS 400D Specs

Below you will find the complete and detailed technical specs for both Sony a900 and Canon EOS 400D, 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 a900	Canon EOS 400D
Name	Sony a900	Canon EOS 400D
Manufacturer	Sony	Canon
Release Date and Price	Sony a900	Canon EOS 400D
Release Year	2008	2006
Release Date	2008-09-09	2006-08-24
MSRP	2999 USD	799 USD
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Camera Type	Sony a900	Canon EOS 400D
Camera Type	DSLR	DSLR
Sensor	Sony a900	Canon EOS 400D
Sensor Size	Full Frame (approx 36 x 24 mm)	APS-C (approx 22.3 x 14.9 mm)
Sensor Type	CMOS	CMOS
Resolution	6048 x 4032 pixels	3888 x 2592 pixels
Megapixels	25 MP	10,1 MP
Image Processor	Bionz	DIGIC 2
Image	Sony a900	Canon EOS 400D
ISO Range	100 - 1600	100 - 1600
White Balance Presets	7	6
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 a900	Canon EOS 400D
Autofocus Motor	Yes	Yes
Autofocus	Phase Detect Multi Area Center Selective Single Point Single Continuous	Phase Detect Multi Area Selective Single Point Single Continuous
Focus Points	9	9
Lens Mount	Sony A See Compatible Lenses	Canon EF Canon EF-S 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	APS-C Sensor 1.6x multiplier Example: 24 mm becomes 38 mm 50 mm becomes 80 mm 100 mm becomes 160 mm 200 mm becomes 320 mm
Screen & Viewfinder	Sony a900	Canon EOS 400D
Articulated LCD	Fixed	Fixed
Screen size	3”	2,5”
Screen dots	921600	230000
Touch screen	No	No
Screen type	TFT Xtra Fine color LCD	N/A
Live view	No	No
Viewfinder Type	Optical (pentaprism)	Optical (pentamirror)
Viewfinder Coverage	100%	95%
Viewfinder Magnification	0.74x	0.8× (0.5× 35mm equiv.)
Viewfinder Resolution	N/A	N/A
Photography features	Sony a900	Canon EOS 400D
Frames per second	5 fps	3 fps
Minimum Shutter Speed	30 seconds	30 seconds
Maximum Shutter Speed	1/8000 seconds	1/4000 seconds
Built-in Flash	No	Yes
Built-in Flash Range	N/A	12 meters
External Flash	Yes	Yes
Self-Timer	Yes	Yes
Time-lapse	No	Yes
Metering modes	Multi Center Weighted Spot	Multi Center Weighted Partial
Exposure Compensation	+/- 3 (at 1/3 EV steps)	+/- 2 (at 1/3 EV, 1/2 EV steps)
Videography features	Sony a900	Canon EOS 400D
Video recording	No	No
Video format	N/A	N/A
Video resolution	N/A	N/A
Built-in Microphone	No	No
Built-in Speakers	No	No
Storage	Sony a900	Canon EOS 400D
Memory Card	Compact Flash Memory Stick Pro Duo	Compact Flash
Connectivity	Sony a900	Canon EOS 400D
HDMI Output	Yes	No
Microphone Port	No	No
Headphone Port	No	No
Wireless	No	No
Remote Control	Yes (Wired or Wireless (Optional))	Yes (E3 connector, InfraRed)
GPS	No	No
Body & Dimensions	Sony a900	Canon EOS 400D
Enviromentally sealed	Yes	No
Battery	Battery Pack	Battery Pack
Battery Details	Lithium-Ion NP-FM500H rechargeable battery & charger	NB-2L
Battery Life (CIPA)	880 shots	370 shots
Width	156 mm	127 mm
Height	117 mm	94 mm
Depth	82 mm	65 mm
Weight	895 gram	556 gram