Central, vertical portion of scope
Other component are mounted to this
Arm
Eyepiece
10x magnification
One may contain a pointer
If two present one may need to be adjusted for proper, in-focus vieing
Ocular Lens(es)
Housing for the Objective Lenses
Rotating Nosepiece
Each of four main lenses
4x Scanning
10x Low
40x High
100x Oil Immersion
Objective Lenses
Flat area where slide rests
Stage
Spring-loaded piece which holds slide in place
Stage Clip
Hang from bar on right of stage
Used to move slide while on stage
One for left/right
One for forward/backward
Stage Clip Knobs
Brings slide into focus
Used only w/scanning objective
Moves stage very quickly
Coarse Focus Knob
Brings slide into focus
Used w/all objectives except scanning
Fine Focus Knob
Direct means to adjust light intensity
Located below on/off switch
Light Intensity Knob
Set of lenses used to focus light through the slide
Can be moved up to focus/strengthen the light
Can be moved down to dim/diffuse the light
Can effect contrast of objects on the slide
Condenser Lens Assembly
Housed in Condenser Lens Assembly
Works like the shutter in a camera
Can be opened/closed to change the amount of light going through the slide
Iris Diaphragm
Total Magnification
Magnification of objective lens X Magnification of ocular lens (always 10x)
Parfocal
same (or almost same) focus as previous/next lens
Colony Morphology Characteristics (used to identify/characterize a colony)
Size
Color
shape
Margin
Opacity
Elevation
Surface (dull, glossy, shiny)
Culture Medium
Nutrient source for the growth and culturing of microorganisms (gen. TSA: Tryptic Soy Agar in this class)
May be solid or liquid "broth" form
Petri Dish Labels should include:
Initials
Name of Culture
Date of Culture Prep
Lab Section
All Should be written on the perimeter base (agar filled) plate