Developing retina in zebrafish 55 hpf larval eye. It is a SBF-SEM data set. The resolution is 8nm/px in xy and 50nm per section (z).
If this is also where to enter, the acquisition conditions on the FEI Magellan400 SEM were 1.9kV accelerating voltage and 200pA current at 0.5 usec dwell time. The microtome unit of the SBF-SEM is called Gatan 3ViewXP.