Image Stacking with Helicon Focus
Gallery: Macro Focus Rail

 
Macro Focus Rail

Lens "Stack" Macro

Other Stacks

20mm Aircraft Gun Riflings

Finished
Click the image to advance to the next slide

And finally a conversion to LAB mode for levels adjust and a touch of saturation and then back to RGB for sharpening and even a little film grain to even out the previously retouched areas.