Cactus Focus Stack

Cactus Focus Stack

To really see this image, I would recommend clicking on the image to enlarge it. I took 98 images of this cactus, while changing the focus very slightly between exposures. I then used HeliconFocus to combine the images … the software takes the parts of each image that are in focus and combines them into a single image. That combining took the computer over 20 minutes of processing time.

When you see this type of image large, they often look almost unrealistic in their sharpness. When we look at an object, our eyes may focus on the details of one part of the object. The other parts of the object are then not in focus … So, when we see an image like this, it seems a little unnatural, because we are expecting the primary subject to be in focus and the rest to be less so. (at least, that’s my opinion)

5 thoughts on “Cactus Focus Stack

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  1. This is absolutely beautiful! I did click to enlarge and you’re right. All parts are in focus. You worked hard for this photo. This is another of your works that I would love to have. Still trying to decide just which ones to choose from your first generous offer!

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