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Two lens system - Image distance and magnification

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Use this simple tool to solve physics problem related to two lens system. You can use this tool find position of the final image formed by the combination of the two lenses, and magnification of the final image formed by the combination of the two lenses.
Physics Tools - Find image distance and magnification for two lens system Physics Tools for optics - Find image distance and magnification for two lens system
Use this simple tool to solve physics problem related to two lens system. You can use this tool find position of the final image formed by the combination of the two lenses, and magnification of the final image formed by the combination of the two lenses. And also this tool shows details about image distance and height.
 
Two thin lens system
Two thin lens system


Two lens system - image ray diagram
L - Distance between two lenses
f1 - Focal length of first lens
f2 - Focal length of second lens
do1 - Distance to object
di1 - Distance to image created from first lens
do2 - Distance to object for second lens (which is the image create from first lens)
hi1 - First image height
hi2 -Second image height
m1 - magnification for first lens
m2 - magnification for second image

To determine the image distance, the lens equation can be used.
thin lens equation

Image generated from first lens going to be object for the second lens
do2 = L - di1
thin lens equation for second lens

Lens magnification can be find using
Lens magnification using distance
Lens magnification using height

Image generated from first lens going to be a object for the second lens

hi1 = ho2

Total magnification is the product of m1 and m2.
Total magnification

Use this tool to find image distance and magnification for two lens system
 
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