Download high resolution image here.
This image is from a
Helicon Focus processed stack of 153 images with a 6.7 µm step taken with a
Mitutoyo M Plan APO 10×/0.28 ∞/0 mm microscope objective + Nikon 200 mm F4 AIS telephoto lens + Nikon D810 camera (magnification 10×; technique described
here).