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+1 vote
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in Physics by (75.0k points)

Calculate the positions of the principal planes and focal points of a thick convex-concave glass lens if the curvature radius of the convex surface is equal to R1 = 10.0 cm and of the concave surface to R2 = 5.0 cm and the lens thickness is d = 3.0 cm.

1 Answer

+1 vote
by (68.8k points)
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Best answer

The optical power of first convex surface is,

and the optical power of second concave surface is,

So, the optical power of the system,

Now , the distance of the primary principal plane from the vertex of convex surface is given as, 

and the distance of secondary principal plane from the vertex of second concave surface, 

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