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A telescope forms an image of an area of an area of the sky called its?
field of view
What does it mean to zoom out?
The process of "zooming in" is to tighten the focus of a view, to narrow the image to a smaller area. The reverse is referred to as "zooming out" -- widening the field of view to show more of the scene. For a fixed-focus lens, it can be accomplished by moving farther away from the object in the center of the view.
Why is it important that the object is centered in the field of view before switching to a higher power objective?
WHY IS IT IMPORTANT THAT THE IMAGE IS CENTERED IN THE FIELD OF VIEW BEFORE SWITCHING TO A HIGHER POWER
You are looking down the microscope and can only see a small part of the image in your field of view Which part of the microscope do you adjust to centre the image?
zoom
Why is it necessary to center your object or the portion of the slide you wish to view before changing to a higher power?
Higher power "zooms" in quite a lot. Specifdicly, it "zooms" to the very center of the field of view. This means that something just barely in the field of view (on the side, for example), would no longer be visible as when you zoom in your field of view gets smaller. I know that sounds a bit confusing... sorry! :/
How does the lens of a light microscope make things look larger?
Look at your hand - 'end-on' and you see five finger-tips. The effect of the magnifying lens is to 'discard' the fingers to the left and right, and enlarge the image that remains in the center of the field of view.
How is the image of an object seen through the high-power objective from the image seen through the low-power objective?
1. The Magnification increases 2. The Field of view decrees 3. The image of intensity decreases
How is the image seen through the low power objective different from the image seen through the high power objective?
1. The Magnification increases 2. The Field of view decrees 3. The image of intensity decreases
How is the image of an object seen through high-power objective different from the image seen through the low-power objective?
1. The Magnification increases 2. The Field of view decrees 3. The image of intensity decreases
How is the image of an object seen through the high power objective different from the image seen through the low-power objective?
1. The Magnification increases 2. The Field of view decrees 3. The image of intensity decreases
What will happen to the field of view as you change objectives form 4x to 10x to 40x?
it will increase the magnification of the image of specimen
What is parcentric?
Parcentric is used to describe microscopes. It is the center of the field that does not go outside the inner one third of the field of view with any objective of a matched set.
