(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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Parcentric: specimen stay in field of view when magnification is increased
Parfocal: specimen stays almost in focus when magnification is increased
slide upside down, objective not screwed in place
Objectives
Aperture Iris Diaphragm (on the condenser)
Centering Screws
Contaminated/fungal growth
Go back to 10X objective & repeat the process of finding & clearly focussing with coarse adjustment
A kimwipe or kleenex scratches optical parts
Condenser
oculars, objectives, condeser, lenses in the body tube
The objective projects a flat image on the entire field of view.
10 power
Decreases
Optimal Illumination
Rotating head, mechanical body tube, stage, rotating nosepiece, arm, coarse & fine adjustment, base, light source
bulb, camel hair brush, lens cleaner, lens paper
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
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
It increases or gets better
The amount of lighting will be altered.
Aperture Iris Diaphragm Control or Reo-stat/Light Intensity Knob
