What happens to the diameter of the field of view as you move from low to high magnification?
2007-11-21 14:23:41 · 4 answers · asked by SmarterChild 1 in Science & Mathematics ➔ Biology
Think about it. Would you be able to see a smaller area or a larger area with higher magnification? What does common sense tell you?
2007-11-21 14:28:30 · answer #1 · answered by Zelda Hunter 7 · 1⤊ 0⤋
The field of view decreases as you move to higher magnifications, but the field does not decrease in the log10 rate that Arthur indicated.
area of a circle = pi * radius^2
diameter /2 = radius
For example, assuming a perfectly circular field of view, a 4 cm stick that spans the field of view at the diameter at 1X means your field of view is pi * 2^2 = 4pi square cm or about 12 cm^2,
At 2X, you'll only see 2 cm of the stick so your field of view becomes pi * 1^2 = 1pi square cm or about 3 cm^2,
which is 1/4th the field of view that you would see at 1X.
2007-11-21 16:57:15 · answer #2 · answered by gatcllc 5 · 0⤊ 0⤋
As you move from low to high magnification, you are basically zooming in (increasing your magnification - ex: going from 1x to 2x to 3x etc)
So theoretically the actual the diameter of the field of view should decrease -
ex: if you have 1x field of view you are viewing 1 cm
2x you are viewing .1 cm
3x you are viewing .01 cm etc etc
makes sense?
2007-11-21 14:29:09 · answer #3 · answered by Arthur k 2 · 0⤊ 0⤋
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2017-01-05 23:22:27 · answer #4 · answered by Anonymous · 0⤊ 0⤋