Sony a850 vs Canon EOS 20Da

This is a full comparison between the cameras Sony a850 and Canon EOS 20Da. We compare them by looking at the categories you see below.

Manufacturing

Sony a850 is manufacturered by Sony but Canon EOS 20Da is from Canon. Both Sony and Canon are well known brands though.

Sony a850 were released 2009 and Canon EOS 20Da was released 2005. That is a 4 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Sony a850 2009
Canon EOS 20Da 2005

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 Canon EOS 20Da 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.

Camera Focal length, 50mm f/1.8 **
Sony a850 50 mm
Full-frame sensor
No crop factor/focal length multiplier
Canon EOS 20Da 80 mm
Canon APS-C sensor
Crop factor/focal length multiplier by * 1.6

** 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 a850 has a 25 MP (Megapixels) resolution while Canon EOS 20Da has 8,2 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Sony a850 25 MP
24385536 pixels
6048 x 4032
Canon EOS 20Da 8,2 MP
8185344 pixels
3504 x 2336

Sony a850 has a 198 % larger resolution than Canon EOS 20Da. 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

Canon EOS 20Da has a larger ISO-range than Sony a850. Canon EOS 20Da has an ISO range that stretches from 100 to 3200 while Sony a850 has 200 to 3200.

Camera ISO Range
Sony a850 200-3200
Canon EOS 20Da 100-3200

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 a850
Lens compatibility chart for Canon EOS 20Da

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 Canon EOS 20Da can shoot up to 5 pictures per seconds.

Camera FPS (Frames per second)
Sony a850 3
Canon EOS 20Da 5

Ability to record movies

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

Though, neither Sony a850 or Canon EOS 20Da 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 16% heavier than Canon EOS 20Da and its 770 gr (or 1.7 lb).

Camera Weight
Sony a850 895 gr
1.97 lb
Canon EOS 20Da 770 gr
1.7 lb

Sony a850 vs Canon EOS 20Da Specs

Below you will find the complete and detailed technical specs for both Sony a850 and Canon EOS 20Da, 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
Canon EOS 20Da
Name Sony a850 Canon EOS 20Da
Manufacturer Sony Canon
Release Date and Price
Sony a850
Canon EOS 20Da
Release Year 2009 2005
Release Date 2009-08-27 2005-06-01
MSRP 1999 USD 2549 USD
Buy it today
Camera Type
Sony a850
Canon EOS 20Da
Camera Type DSLR DSLR
Sensor
Sony a850
Canon EOS 20Da
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 3504 x 2336 pixels
Megapixels 25 MP 8,2 MP
Image Processor Bionz DIGIC 2
Image
Sony a850
Canon EOS 20Da
ISO Range 200 - 3200 100 - 3200
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 a850
Canon EOS 20Da
Autofocus Motor Yes Yes
Autofocus Phase Detect
Multi Area
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 a850
Canon EOS 20Da
Articulated LCD Fixed Fixed
Screen size 3” 1.8”
Screen dots 921600 118000
Touch screen No No
Screen type TFT Xtra Fine color LCD N/A
Live view No No
Viewfinder Type Optical (pentaprism) Optical (pentaprism)
Viewfinder Coverage 98% 95%
Viewfinder Magnification 0.74× 0.9× (0.56× 35mm equiv.)
Viewfinder Resolution N/A N/A
Photography features
Sony a850
Canon EOS 20Da
Frames per second 3 fps 5 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 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 a850
Canon EOS 20Da
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
Canon EOS 20Da
Memory Card Compact Flash
Memory Stick Pro Duo
Compact Flash
Connectivity
Sony a850
Canon EOS 20Da
HDMI Output Yes No
Microphone Port No No
Headphone Port No No
Wireless No No
Remote Control Yes (Wired or Wireless (Optional)) Yes (N3 connector)
GPS No No
Body & Dimensions
Sony a850
Canon EOS 20Da
Enviromentally sealed No No
Battery Battery Pack Battery Pack
Battery Details Lithium-Ion NP-FM500H rechargeable battery & charger
Lithium-Ion BP-511A rechargeable battery
Battery Life (CIPA) 880 shots N/A
Width 156 mm 144 mm
Height 117 mm 106 mm
Depth 82 mm 72 mm
Weight 895 gram 770 gram