How To Calculate Magnification Using A Hand Lens

Introduction & Importance

Calculating magnification using a hand lens is crucial for various applications, such as jewelry inspection, coin collecting, and entomology. This calculator simplifies the process, ensuring accurate results.

How to Use This Calculator

1. Enter the objective lens diameter in millimeters.
2. Enter the distance from your eye to the lens in millimeters.
3. Click ‘Calculate’ to see the magnification factor and a visual representation.

Formula & Methodology

The formula for calculating magnification (M) using a hand lens is:

M = 1000 * (D / (D + d))

where D is the objective lens diameter, and d is the distance from the eye to the lens.