FRSC 365 EXAM 2 QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS VERIFIED
What is the significance of the field diaphragm?
reduces stray light entering the condenser and slightly affects image contrast
What is the significance of the substage condenser?
gathers and concentrates light to illuminate specimen w/ uniform intensity; readjust w/
change in mag.
What are the two condenser types?
Abbe and Achromat/Aplanat
What is numerical aperture?
the ability to gather light and resolve fine detail, higher NA is better
What is the significance of the aperture diaphragm?
typically adjusted to provide a new light cone that matches NA of new object
What is the difference between a Huygenian, Ramsden, and Kellner eye piece?
COMPLETE SOLUTIONS VERIFIED
What is the significance of the field diaphragm?
reduces stray light entering the condenser and slightly affects image contrast
What is the significance of the substage condenser?
gathers and concentrates light to illuminate specimen w/ uniform intensity; readjust w/
change in mag.
What are the two condenser types?
Abbe and Achromat/Aplanat
What is numerical aperture?
the ability to gather light and resolve fine detail, higher NA is better
What is the significance of the aperture diaphragm?
typically adjusted to provide a new light cone that matches NA of new object
What is the difference between a Huygenian, Ramsden, and Kellner eye piece?
