Download high resolution image here.
This image is from a
Helicon Focus processed stack of 635 images with a 3.1 µm step taken with a
Mitutoyo BD Plan APO 20X/0.42 ∞/0 mm microscope objective + Nikon 135 mm F2.8 AIS telephoto lens +
Nikon D810 camera (magnification 13.5×; technique described
here).