A | B |
The term that allows switching objectives without altering focus. | Parfocalization. All objective lenses are parfocalized |
What effect does closing the diaphragm have on image brightness? | Decreased image brightness |
What effect does closing the diaphragm have on image contrast? | Increased image contrast |
In general, at what position should the condenser be kept? | Raised to it's highest point |
What is the maximum resolution for a compound microscope in micrometers? | 0.2 |
Switching objectives first requires raising the lens and refocusing. | False. Lenses are parfocalized. |
It is best to use one of the lower magnification lenses before switching to higher magnification objectives. | True |
The 40X and 100X objectives have shorter working distances than a 4X objective. | True |
the ability to clearly determine two separate points, or objects, as singular, distinguished entities | Resolution |