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Parts of a Microscope. Unit 1-3 Notes Mr. Hefti – Pulaski Biology. sperm cells & household dust . Eyepiece (ocular lens). Lens you look through Usually 10X in power. b utterfly eggs & mushroom spores . Nosepiece. Revolves Allows you to change objectives. - PowerPoint PPT Presentation
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Parts of a Microscope
Unit 1-3 NotesMr. Hefti – Pulaski Biology
sperm cells & household dust
Eyepiece (ocular lens)
• Lens you look through• Usually 10X in power
butterfly eggs & mushroom spores
Nosepiece
• Revolves• Allows you to change
objectives
ant holding microchip & microchip
Objectives
• Low, medium, and high power lenses
• Usually 4X, 10X, and 40X in power
eyelashes & strawberry
Stage
• Where you place the specimen to be observed
tarantula‘s eyes & cut hairs on razor
Stage clips
• Holds specimen or slide in place
• Do not bother with these because they will get in your way!
nylon & moth’s “mouth”
Diaphragm
• Adjusts amount of light shining on specimen
bacteria on tongue & Velcro
Adjustment knobs
• Bring image into focus• Coarse used for low
power• Fine used for medium
and high power
mosquito’s head & head lice
Arm and Base
• Structural parts that you hold when transporting microscopes
rust on nail & cauliflower florets