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15 Cards in this Set

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Microscope Head
Supports two sets of magnifying lenses
Ocular
lens in the eyepiece
Interpupillary Distance
Distance between the eye pieces
Objectives
The three lenses on the revolving nose piece
Scanning Lens
typically 4x magnification
Intermediate Lens
10x magnification
High-Powered Lens
40x magnification
Arm
Supports the stage and condenser lens
Condenser Lens
used to focus light from the lamp through the specimen to be viewed
Adjustment knob
used to adjust the height of the condenser
Iris Diaphragm
controls the width of the circle of light and the amount of light passing through the specimen
Stage
supports the specimen being viewed
Working distance
the distance between the objective lens and the specimen
Dissecting or Stereoscopic Microscope
Has low magnification from 7x to 30x and is used for viewing and manipulating relatively large objects

Depth of field is much greater so objects are seen in 3D

Light source can be directed down onto as well as up through the specimen
Light Microscope
The lenses bend or refract the light which makes the object beneath them appear closer

Has high magnification but low resolution

Images are seen in 2D