Macro lens and image stacking

[Samuel Sargent] built his own lens for making stacked macro images.This project, which was completed as part of his senior thesis, utilizes a Zeiss enlarger lens. The aperture ring was broken, making it difficult to tell how much light was being let into the camera. Instead of scrapping the whole thing he turned it around, making it a macro lens when combined with a few other parts. He’s used a Nikon PB-5 belows, a PK-13 extension tube, and a body cap to provide a way to mount the lens to his camera. A hole was added to the body cap using his Dremel, and a liberal dose of epoxy putty seals all of the gaps.

After the break you can see a couple of photos that [Samuel] made of bismuth. He estimates the sharpest focal length by taking a few test shots. Next he captures a series of images, moving the bellows slightly between each shot. Finally, this set is combined using Helicon Focus image stacking software. Maybe for his graduate thesis he can build a mechanized platform to move the subject automatically.

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