Hard to fathom (for me) but after decades of shooting, this was my first experiment with the technique of focus stacking using Adobe Photoshop. Though I've used Photoshop back to its earliest days, I've not practiced this technique.

Focus stacking allows the photographer to achieve greater depth of field than what the lens natively offers. With the lens fully stopped down to its minimum aperture, great depth of field can be gained, but lens degradation often accompanies these settings. Focus stacking takes a series of images, strategically focused at progressive points to assemble an image that is sharp front to back without loss of image quality.

I was quite pleased with this first attempt and will be using this technique whenever the situation requires.

Canon EOS 5D, Tamron 28-105mm f/2.8 Aspherical @75mm, 1/400 sec @ f/14, ISO equiv 800, 3-shot sequence photo stacked using Adobe Photoshop, Calumet 8000 Carbon Fiber Tripod, Gitzo G1276 Ballhead