Physics Help Forum Angular Magnification

 Dec 9th 2009, 11:26 AM #1 Junior Member   Join Date: Oct 2009 Posts: 7 Angular Magnification We were given a formula to find angular magnification, and I can't figure out what one of the variables is supposed to represent. Angular magnification=m*do/di di is the distance to the image, and m is the magnification of the lens system, what does do represent? I'm looking at an example problem, and it doesn't match any of the distances given, but it has to represent some sort of distance (or distances added together)
Dec 9th 2009, 11:49 AM   #2
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 Originally Posted by Bluekitten We were given a formula to find angular magnification, and I can't figure out what one of the variables is supposed to represent. Angular magnification=m*do/di di is the distance to the image, and m is the magnification of the lens system, what does do represent? I'm looking at an example problem, and it doesn't match any of the distances given, but it has to represent some sort of distance (or distances added together)
Have you read Magnification - Wikipedia, the free encyclopedia ?
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Isaac
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 Dec 9th 2009, 01:42 PM #3 Junior Member   Join Date: Oct 2009 Posts: 7 I did, and it didn't really help. I figured it out on my own though, do is the distance to the original object, and I feel really silly for not being able to figure it out in the first place.
Dec 9th 2009, 01:44 PM   #4
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 Originally Posted by Bluekitten I did, and it didn't really help. I figured it out on my own though, do is the distance to the original object, and I feel really silly for not being able to figure it out in the first place.
According to the link I gave you, do is the distance from the lens to the object.
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Isaac
If the problem is too hard just let the Universe solve it.

 Dec 9th 2009, 01:47 PM #5 Junior Member   Join Date: Oct 2009 Posts: 7 Somehow I missed that in there somewhere. I'll have to look again.
 Jan 31st 2015, 06:44 AM #6 Junior Member   Join Date: Mar 2014 Posts: 4 optics magnificatn is di/do and angular magnification is -(d/f2 + 1)(v/f1 - 1). try it again

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