This shows the nucleus of a onion at 340xThese show air bubbles in a thick corn pel, so the corn cells are not visible, but the air bubbles are
These photos show the fern rhizome at 140x, 340x and 5x respectively.oniion cells at 50x, an artistic photo, with shard-like waterOnion cells, at 50x, with patches of waterContast with onion cells, great shot with near-half distribution and vignette