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: 4. Tissue is used to absorb any excess [[dye]].
: 5. The glass [[slide]] is placed on the '''microscope''' stage.
==Key Stage 4==
===Meaning===
A '''light microscope''' is a device used to observe small [[object]]s using [[Visible Light|visible light]].
===About Light Microscopes===
: A '''light microscope''' cannot be used to view anything smaller than about 0.2 [[micrometre]]s.
: '''Light microscopes''' can be used to view objects as small as [[bacteria]] but cannot be used to view [[virus]]es.