Microscope Parts Flashcards
What is the purpose of the arm?
provides carrying handle
What is the base?
bottom of it
What does the nosepiece have?
3 lenses
What are the three objective lenses called?
scanning, low, high
What is the scanning lense?
red stripe, magnify ability 4x
What is the low lense?
yellow stripe, magnify ability 10x
What is the high lense?
blue stripe, magnify ability 40x
What is the stage?
flat, black platform
What is the slide holder?
Silver piece on stage that clips slide on
What do the stage control knobs do?
position slide holder - right side of stage
What does the condenser do?
focus light on slide looking at- opening in middle
What is the coarse-adjustment knob?
larger knob, move stage up and down
What is the fine-adjustment knob?
smaller knob, focus image
Light and light switch?
Turns light on and off
What is the voltage control knob?
adjusts intensity of light
What is the field number?
on eyepiece, (18), used to calculate FD
Field of view?
Illuminated circle when looking in
How to calculate TM?
Eyepiece x Objective
Ex. 10x x 4x = 40x (Scanning TM)
Conversion for mm to um
1mm = 1000 Micrometer (um)
How to calculate FD in mm?
FN/Objective Magnification
Ex. 18/40 = 0.45 mm —> x1000 = 450um
What does parcentral mean?
in center with one magnification, will be in center with next
What does parfocal mean?
in focus with one magnification, should be with next
Working distance
distance between objective and slide
Iris Diaphragm Ring
Adjust amount of light passing through condenser
