Depth of field

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I did a composite of three images, it is obvious if you know what to look for. Or, it is obvious if you notice something is not quite right. I will explain. Look closely and you will see three distinct levels of focus: front, middle, and rear. And in between each zone, the flower is out of focus: soft. It’s subtle but distinct. It gives the full view of the flower. If you didn’t notice then my manipulation was successful in illustrating the flower. Me? I noticed it was unnatural right away. Then it took a moment to realize the explanation. The macro lens I used has no depth of field whatsoever. It is the nature of the lens. And, in this case, it illustrates the concept of depth of field nicely. Confused? No worries. You can appreciate the image without understanding the technical details.