(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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Aperture Iris Diaphragm Control or Reo-stat/Light Intensity Knob
A kimwipe or kleenex scratches optical parts
Rotating head, mechanical body tube, stage, rotating nosepiece, arm, coarse & fine adjustment, base, light source
The amount of lighting will be altered.
Condenser
Objectives
Aperture Iris Diaphragm (on the condenser)
Centering Screws
magnification, resolution, contrast
bulb, camel hair brush, lens cleaner, lens paper
Contaminated/fungal growth
Optimal Illumination
The objective projects a flat image on the entire field of view.
a. Condenser is driven (moved) to its highest point
b. When you close the field iris diagram the cone of light has crisp edges
c. When you remove the right eyepiece the light consumes 66% of the area
slide upside down, objective not screwed in place
Parcentric: specimen stay in field of view when magnification is increased
Parfocal: specimen stays almost in focus when magnification is increased
It increases or gets better
oculars, objectives, condeser, lenses in the body tube
10, 40,100
Decreases
10 power
Go back to 10X objective & repeat the process of finding & clearly focussing with coarse adjustment
Objectives not parfocal; slide is upside down; rotate the fine focus adjustment knob in the opposite direction
Return to 10X & refocus w/ coarse adjustment knob then increase maginification
Resolution : the microsopes ability to separte small details crisp and clear
Contrast: the specimen against the background
ex. dark against light
