Hi,
i add a pic of Centrophixys testate amoeba with a lot of debris used to make its "home".
This time oblique lighting show very well details.
objective 25x Oblique ill.
arturo .
many thanks to all !
i get oblique with a opaque black square sheet under 0,90 condesner, i think best result became by using a specific oblique condenser like LOMO one..
best
arturo