An In-Depth Look at Focus Stacking in 'Making Sharp Images'
I’ve added an in-depth look at focus stacking in Making Sharp Images.
The examples include annotation as to where focused, and sizes up to 28 megapixels, along with discussion. The various tips and overview pages should get you started with focus stacking while sharply accelerating the learning curve.
Razor sharp from right under the camera to the far distance, with no stacking artifacts.