Fogey’s Place © Jeff Watson. All right reserved.
You will need to press the F11 key for a full screen to get the benefit from this very useful tool.
Here you can practice what you have learned.
Use the sliders to move the distance from the subject, (note what happens to the background), set your shooting mode, aperture settings and ISO.
There is the exposure scale that is the same as in your viewfinder, to guide you.
Don’t forget to press the f11 key again to return to a normal screen.