Sony a850 vs Nikon D3000

This is a full comparison between the cameras Sony a850 and Nikon D3000. We compare them by looking at the categories you see below.

Manufacturing

Sony a850 is manufacturered by Sony but Nikon D3000 is from Nikon. Both Sony and Nikon 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 a850 has a "Sony Full Frame"-sensor while Nikon D3000 has a "Nikon DX"-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 (Nikon)

Resolution

Sony a850 has a 25 MP (Megapixels) resolution while Nikon D3000 has 10,2 MP. If we break down this in more detail this is the data behind the numbers:

Sony a850 has a 143 % larger resolution than Nikon D3000. 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 D3000 has a larger ISO-range than Sony a850. Nikon D3000 has an ISO range that stretches from 100 to 3200 while Sony a850 has 200 to 3200.

Autofocus and lens compatibility

There is a big difference between these two cameras. Sony a850 has a built-in autofocus motor but Nikon D3000 does not. If you want to be able to use autofocus on Nikon D3000 there is a need for having an autofocus motor inside the lens. We really encourage you to look closely at our lens compatibility charts at the links below.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Sony a850
Lens compatibility chart for Nikon D3000

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a850 can shoot up to 3 pictures per seconds and Nikon D3000 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 a850 or Nikon D3000 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 a850 weighs 895 gr (equal to 1.97 lb) which is 67% heavier than Nikon D3000 and its 536 gr (or 1.18 lb).

Sony a850 vs Nikon D3000 Specs

Below you will find the complete and detailed technical specs for both Sony a850 and Nikon D3000, 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 a850	Nikon D3000
Name	Sony a850	Nikon D3000
Manufacturer	Sony	Nikon
Release Date and Price	Sony a850	Nikon D3000
Release Year	2009	2009
Release Date	2009-08-27	2009-07-30
MSRP	1999 USD	599 USD
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Camera Type	Sony a850	Nikon D3000
Camera Type	DSLR	DSLR
Sensor	Sony a850	Nikon D3000
Sensor Size	Full Frame (approx 36 x 24 mm)	APS-C (approx 23.7 x 15.5 mm) Also known as "DX"
Sensor Type	CMOS	CCD
Resolution	6048 x 4032 pixels	3872 x 2592 pixels
Megapixels	25 MP	10,2 MP
Image Processor	Bionz	EXPEED
Image	Sony a850	Nikon D3000
ISO Range	200 - 3200	100 - 3200
White Balance Presets	7	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 a850	Nikon D3000
Autofocus Motor	Yes	No
Autofocus	Phase Detect Multi Area Selective Single Point Single Continuous	Contract Detect (sensor) Phase Detect Multi Area Selective Single Point Single Continuous
Focus Points	9	11
Lens Mount	Sony A 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	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 a850	Nikon D3000
Articulated LCD	Fixed	Fixed
Screen size	3”	3”
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	98%	95%
Viewfinder Magnification	0.74×	0.8× (0.53× 35mm equiv.)
Viewfinder Resolution	N/A	N/A
Photography features	Sony a850	Nikon D3000
Frames per second	3 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	No
Metering modes	Multi Center Weighted Spot	Multi Center Weighted Spot
Exposure Compensation	+/- 3 (at 1/3 EV steps)	+/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features	Sony a850	Nikon D3000
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 a850	Nikon D3000
Memory Card	Compact Flash Memory Stick Pro Duo	SD/SDHC
Connectivity	Sony a850	Nikon D3000
HDMI Output	Yes	No
Microphone Port	No	No
Headphone Port	No	No
Wireless	No	Yes Eye-Fi Connected
Remote Control	Yes (Wired or Wireless (Optional))	Yes (Optional ML-L3)
GPS	No	No
Body & Dimensions	Sony a850	Nikon D3000
Enviromentally sealed	No	No
Battery	Battery Pack	Battery Pack
Battery Details	Lithium-Ion NP-FM500H rechargeable battery & charger	Lithium-Ion EN-EL9a rechargeable battery & charger
Battery Life (CIPA)	880 shots	500 shots
Width	156 mm	126 mm
Height	117 mm	97 mm
Depth	82 mm	64 mm
Weight	895 gram	536 gram