Notes

Combination of Thin Lenses in Contact…

Combination of Thin Lenses in Contact – If two or more lenses are placed in contact, then total focal length of the combination,
1/f = 1/f₁ + 1/f₂ + 1/f₃ + … = Σⁿ_{i = 1} 1/f_i
Total power of combination, P = P₁ + P₂ + P₃ + … = Σⁿ_{i = 1}P_i

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