MYN – Focus-stacked composite image

The following focus-stacked composite image shows a Stygian Shadowdragon dragonfly (Neurocordulia yamaskanensisexuvia collected by Freda van den Broek on 10 June 2019 along the St. Croix River in Interstate Park, Polk County, Wisconsin USA.

10 JUN 2019 | Polk County, WI | Stygian Shadowdragon (exuvia)

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Tech Tips

This subject was photographed against a pure white background (255, 255, 255) using the “Meet Your Neighbours” (MYN) technique.

24 photos were used to create the composite image, including 23 photos taken using an aperture of f/5.6 and one photo taken at f/16.

If you look closely at the full-size version of the image, then you will notice some areas that indicate the final image is a few layers short of a perfect focus stack. But hey, not bad for a new lens and a manual focus rail that I used for the first time!

Copyright © 2020 Walter Sanford. All rights reserved.

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3 Responses to “MYN – Focus-stacked composite image”

  1. Mike Powell Says:

    Wow. Your patience and persistence is impressive, Walter, as is your image. How do you decide how many images you need to shoot when doing a photostack like this?

    • waltersanford Says:

      You’re too kind, Mike! I focused on what I guessed to be the part of the face/head nearest the camera, then attempted to move the focus rail 0.5 mm from front-to-back. I don’t decide how many images to shoot — instead I go where the subject leads. In practice, it’s nearly impossible to move the focus rail exactly 0.5 mm consistently. To compensate, I like to shoot from front-to-back followed by back-to-front. Because I shot the photos at f/5.6, I had to take more photos than my 2009 vintage can process in Photoshop so I stopped at the far point without making a return pass. Good thing, ‘cuz my computer almost froze near the end of creating the focus stack!

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