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# Lens Magnification Calculator

Below is the online magnification equation calculator based on the image distance (di) and object distance (do). The magnification of an object is the ratio of the height of the image (hi) where you can see the height of the actual object is being magnified (ho). The magnification equation is given as M = -(di / do). In the below Lens Magnification Calculator, enter the values for the image distance and the object distance to know the magnification of lens(M).

## Magnification Equation Calculator

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Below is the online magnification equation calculator based on the image distance (di) and object distance (do). The magnification of an object is the ratio of the height of the image (hi) where you can see the height of the actual object is being magnified (ho). The magnification equation is given as M = -(di / do). In the below Lens Magnification Calculator, enter the values for the image distance and the object distance to know the magnification of lens(M).

#### Formula:

M = -(di / do) Where, M = Lens Magnification di = Image Distance do = Object Distance

### Example:

Calculate magnification of lens for the image distance and object distance as 29 mm and 25 mm.

#### Magnification Equation Calculation:

M = -(di / do)
Lens Magnification (M) = -29 / 25
= -1.16 mm