The following pictures show that I obtained some success obtaining dark field tonight using the standard 60W condenser and phase annuli as dark field annulus.
Andy
Dark field images:
Pine-stem-4x-dark-field-using-Ph2-annulus-190517.bmp (two photos below):
Pine-stem-40x-dark-field-using-Ph2-annulus-190517.bmp (below):
Phase contrast image:
Pine-stem-10x-Ph1-190517.bmp (below):
