I'm quite happy with this stack of I assume Cyphoderia (ampulla ?). Probably should have added a few more pictures (of front part of the shell - but it is hard to see when the first sharp parts appear in the viewfinder). Joris
Equipment: Olympus BH2-BHT, SPlan 20x objective, swing-out condenser (adapted to darkfield), eyepiece adapter from ebay, Pentax K20D, Zerene stacker.
Cyphoderia (stack)
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