Combination oflensesexamples

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Lensesin series

The combined power of two thick lenses can be calculated using the lens maker's formula, which states that the combined power is equal to the sum of the individual powers. This formula can be written as: Fcombined = F1 + F2 where Fcombined is the combined power, F1 is the power of the first lens, and F2 is the power of the second lens.

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The relation for the combination of two thick lenses is given by the lens maker's formula, which states that the combined power of two lenses is equal to the sum of their individual powers. This can be expressed as: Fcombined = F1 + F2 where Fcombined is the combined power, F1 is the power of the first lens, and F2 is the power of the second lens.

Lens combination calculator

Yes, the combined power of two thick lenses can be negative if the individual powers of the lenses have opposite signs. This indicates that the two lenses are diverging and the combination of the two will result in a weaker overall power. For example, if one lens has a power of +5 diopters and the other has a power of -3 diopters, the combined power would be +2 diopters.

The formula for calculating the combined focal length of two thick lenses is similar to the lens maker's formula, but it is given in terms of the focal lengths instead of the powers. The formula is: fcombined = (f1 * f2) / (f1 + f2 - d) where fcombined is the combined focal length, f1 and f2 are the focal lengths of the individual lenses, and d is the distance between the two lenses.

The distance between two thick lenses, also known as the lens separation, can affect their combined power. The lens maker's formula and the formula for combined focal length both include the lens separation term (d). As the distance between the lenses increases, the combined power decreases and vice versa. This is because a greater distance between the lenses allows for more diverging light rays to pass through, resulting in a weaker overall power.

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