Term
| transmitted light (dissecting scope) |
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Definition
| from below, used for translucent specimen |
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Term
| reflected light (dissecting scope) |
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Definition
| from above, used for opaque specimen |
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Term
| zoom control knob (dissecting scope) |
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Definition
| sets the magnification setting |
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Term
| focusing knob (dissecting scope) |
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Definition
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Term
| oculars (dissecting scope) |
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Definition
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Term
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Definition
| the product of objective magnification multiplied by ocular or eyepiece magnification |
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Term
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Definition
| free space for specimen manipulation between the objective lenses & the stage |
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Term
| the objective lenses are located inside the ___ |
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Definition
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Term
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Definition
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Term
| power switch (compound scope) |
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Definition
| on the base on the side; turns on scope |
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Term
| rheostat control (compound scope) |
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Definition
| controls light (dial on front) |
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Term
| iris diaphragm of the condenser(compound scope) |
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Definition
| controls light (slidey thing under the stage) |
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Term
| condenser centering screws (compound scope) |
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Definition
| keep the stage centered DO NOT TOUCH |
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Term
| mechanical stage knobs (compound scope) |
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Definition
| center specimen over the light |
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Term
| revolving nosepiece (compound scope) |
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Definition
| sets the magnification setting |
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Term
| scanning power (compound scope) |
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Definition
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Term
| coarse focus then fine focus(compound scope) |
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Definition
| brings specimen into focus |
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Term
| diopter adjustment (compound scope) |
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Definition
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Term
| condenser height adjustment knob (compound scope) |
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Definition
| raises condenser lens underneath stage to highest position |
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Term
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Definition
| size of image/size of object |
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Term
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Definition
| minimum distance between two objects at which the objects can be distinguished as separate |
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Term
| resolution distance formulae |
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Definition
| R = lambda/2NA (in nanometers) |
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Term
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Definition
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Term
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Definition
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Term
| numerical aperture formulae |
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Definition
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Term
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Definition
| refractive index; constant for each medium the light passes through |
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Term
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Definition
| angular aperture; angle between the most divergent rays that can be accepted or collected by the objective lens to form a focused image |
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Term
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Definition
| controls the angle of the cone of light |
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Term
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Definition
| 220/total magnification (in mm) |
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