Depth of Field
Most cameras will show you the settings you are or have used when taking pictures
You can check what fstop , speed and iso in the viewfinder , live view or image metadata
The follows examples are to help explain in pictures what effect these three controls have
For this example you need a picture that has three or four at different distances away , such as items with a garden. The idea is to vary the depth of field varying where the focus point is with different aperture settings (av) It is best carried out using a tripod.
1 Take a control picture using full Auto and write down the settings the camera used
2 Now using Manual mode change the camera to these settings and take it again It should look the same
. Now do steps 3,4,5 and write down the settings after each
3 Change the aperture(fstop) and take a picture where nearest is in focus
4 Change the aperture(fstop) and take a picture where second item is in focus
5 Change the aperture(fstop) and take a picture where the third item (furthest away) is in focus
6 Change the aperture(fstop) and take a picture where fourth (furthest away ) is in focus
Record your settings in the table below
FSTOP SPEED ISO
Picture 1
Picture 2
Picture 3