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Lens conventions

TermDefinition
Object at focal point No image, Rays leave parallel, Impossible to form an image
Object between f and the lens Virtual, upright, enlarged, š‘š>+1, Image on the same side as the object, This is how magnifying glasses work, only way to get a virtual enlarged image
Object at 2f Real, inverted, same size, š‘š= āˆ’1, Image forms at 2f
Object between f and 2f Real, inverted, enlarged, m<āˆ’1, real enlarged images happen m=āˆ’2, you must place object at 1.5f
Object beyond 2f Real, inverted, reduced āˆ’1<m<0
Created by: nuhaSalim
 

 



Voices

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