✓ ~~~ 100X, the objective used for the highest magnification with oil
light intensity control
✓ ~~~ Regulates light intensity for viewing the specimen
substage condenser
✓ ~~~ two lenses that focus the light passing through the specimen and improves image
sharpness
aperture diaphragm control
✓ ~~~ controls the amount of light entering the substage condenser from the light source.
Most important mechanism for adjusting light.
, half open
✓ ~~~ set diaphragm at this when using 10x and 40x objectives
completely open
✓ ~~~ set diaphragm at this when using oil immersion lens
Field diaphragm lever
✓ ~~~ opens and closes to increase and decrease light from the light source
magnification
✓ ~~~ the number of times an image is enlarged
resolution
✓ ~~~ The ability to clearly distinguish the individual parts of an object
contrast
✓ ~~~ the measure of the differences in appearance between two objects
lower
✓ ~~~ the lower the magnification the ___________________ the level of light needed for
good contrast.
total magnification
✓ ~~~ objective lens x ocular lens
parfocal lens
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