4th October 2019

huffingtonpost
19

Can you see sperm move without a microscope?

From head to tail, human sperm cells measure about 50 micrometers (0.05 millimeter, or roughly 0.002 inch). The tiniest object you can see with your unaided eyes is about 0.1 mm—so forget about seeing sperm without a microscope. A human egg is about 30 times bigger—large enough to be seen with the naked eye.

In respect to this, what level of magnification is required to see cells?

Most educational-quality microscopes have a 10x (10-power magnification) eyepiece and three objectives of 4x, 10x and 40x to provide magnification levels of 40x, 100x and 400x. Magnification of 400x is the minimum needed for studying cells and cell structure.

What magnification do you need to see bacteria?

Bacteria are difficult to see with a bright-field compound microscope for several reasons: They are small: In order to see their shape, it is necessary to use a magnification of about 400x to 1000x. The optics must be good in order to resolve them properly at this magnification.
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