PCBI101 LAB: MICROSCOPE

Cards (6)

Microscope 
An instrument used in science laboratories to visualize very minute objects such as cells, tissues, microorganisms, giving a contrasting image that is magnified
Microscopes 
Made up of lenses for magnification, each with their own magnification powers
Depending on the type of lens, it will magnify the specimen according to its focal strength
Offer the ability to see great detail of objects that are hundreds of times too small to see with your naked eye
Parts of a compound microscope
Base
Pillar
Arm
Stage
Stage Clip
Draw tube
Revolving nosepiece
Coarse focus knob
Fine focus knob
Ocular / Eyepiece
Scanning objective
Low Power Objective
High Power Objective
Oil Immersion Objective
Illuminator/Lamp
Mirror
Sub-stage
Iris diaphragm
Condenser
Using the microscope 
1. Skill in using the microscope is necessary for many of the exercises in the lab manual
2. Learning to use the microscope is both easy and fun
3. Basic rules when using the microscope in a real laboratory setting
Total magnification 
Determined by multiplying the power of the ocular by the power of the objective in use
Magnification settings 
Scanning 4x, Ocular 10x, Total 40x
Low Power 10x, Ocular 10x, Total 100x
High Power 40x, Ocular 10x, Total 400x
Oil Immersion 100x, Ocular 10x, Total 1000x