Return to previous page

Gram Stain (all 100X - oil immersion objective plus zoom on camera)
(eyepiece = 10X; total mag. = 1000X)


mixture = Gram positive and Gram negative organsims (Staphylococcus aureus and E. coli)

Gram negative organisms


Gram positive organisms

Gram + coccus



Gram + Bacillus


Gram positive rod

for comparison = yeast (unstained) at 400X total mag.