Lens Combination Hard

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Equivalent power of thin lenses in contact is:

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When several thin lenses are placed in contact, the effective power ($P$) of the combination is the algebraic sum of the individual powers:
$P = P_1 + P_2 + P_3 + ...$
This implies for focal lengths: $\frac{1}{F} = \frac{1}{f_1} + \frac{1}{f_2} + ...$
- This arrangement increases the field of view and reduces aberrations.

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Lens Combination Hard

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