Pine stem in dark field and phase contrast 20/5/2017

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):

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