simple microscope
One-lens viewing device
A simple microscope uses a single lens to magnify objects, as opposed to compound microscopes with multiple lenses.
The term covers basic magnifying glasses and loupes.
Though limited in magnification power, simple microscopes were the instruments Leeuwenhoek used to first observe bacteria in the 17th century: Students examined the specimen under a simple microscope.
Handheld lens for enlargement
- animalculesArchaic term for microorganisms
- discoveryAct of finding something
- 17th centuryYears 1601-1700
- scientific revolutionTransformative change in understanding
Degree of visual enlargement
- resolutionFormal decision or determination
- focal lengthLens-to-convergence-point distance
- field of viewExtent one sees simultaneously
- contrastNotable difference between things
clarity · image · refraction · aberration · depth of field · working distance · illumination · brightness
Individual for examination
- slideSmooth continuous movement
- cellBasic unit of life
- bacteriaNucleus-free single-celled organisms
- protozoaSingle-celled eukaryotic organisms
amoeba · paramecium · tissue · staining · culture · mitosis · cytology · histology
Lens you look through
- objectivePurpose or goal
- stageRaised performance platform
- mirrorReflective viewing surface
- diaphragmMuscle separating chest, abdomen
condenser · arm · base · clip · illuminator · aperture · lens mount · light source
Attentive watching or remark
- focusingConcentrating on one point
- adjustmentAlteration to improve fit
- cover slipThin glass over specimens
- stainingApplying dye or pigment
magnifying · viewing · sampling · sectioning · fixation · calibration
magnifying glass
Handheld lens for enlargement
- animalculesArchaic term for microorganisms
- discoveryAct of finding something
- 17th centuryYears 1601-1700
scientific revolution · naturalist · hand lens · specimen jar
magnification
Degree of visual enlargement
- resolutionFormal decision or determination
- focal lengthLens-to-convergence-point distance
- field of viewExtent one sees simultaneously
contrast · clarity · image · refraction · aberration · depth of field · working distance · illumination · brightness · distortion
specimen
Individual for examination
protozoa · amoeba · paramecium · tissue · staining · culture · mitosis · cytology · histology · microbiology
eyepiece
Lens you look through
diaphragm · condenser · arm · base · clip · illuminator · aperture · lens mount · light source
observation
Attentive watching or remark
- focusingConcentrating on one point
- adjustmentAlteration to improve fit
- cover slipThin glass over specimens
staining · magnifying · viewing · sampling · sectioning · fixation · calibration
simple microscopeelectron microscope
Instrument magnifying via charged particles
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