PHYIC CALCULATOR
Lens Magnification Calculator
A precise tool.
What is the Lens Magnification Calculator & How does it work?
The magnification of a lens is defined as the ratio of the image height to the object height, and also as the negative ratio of the image distance to the object distance. This relationship helps in understanding how the size of an image changes relative to its object.
m = -frac{d_i}{d_o} = frac{h_i}{h_o}
m = magnification, d_i = image distance, d_o = object distance, h_i = image height, h_o = object height
The negative sign in the magnification formula indicates whether the image is upright or inverted. A positive magnification means the image is upright, while a negative magnification means the image is inverted.
Parameters
Result
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Frequently Asked Questions
What is lens magnification?
Lens magnification is the ratio of the image height to the object height, or the negative ratio of the image distance to the object distance.
How do I calculate magnification using distances?
Use the formula m = -d_i / d_o, where m is magnification, d_i is image distance, and d_o is object distance.
What does the negative sign in magnification indicate?
The negative sign indicates whether the image is upright or inverted. A positive value means an upright image, while a negative value means an inverted image.
Can I use object height and image height to find magnification?
Yes, you can use the formula m = h_i / h_o, where h_i is image height and h_o is object height.
What factors affect lens magnification?
Lens magnification depends on both the focal length of the lens and the distances of the object and image from the lens.
How do I find the object distance if I know the magnification and image distance?
Rearrange the formula to d_o = -d_i / m, where m is magnification, d_i is image distance, and d_o is object distance.
What happens to the image size when magnification is greater than 1?
When magnification is greater than 1, the image is larger than the object. If it’s less than 1, the image is smaller.
Results are for informational purposes only and do not constitute professional advice.