Microscope - Low Power
Focal Length of Lens: 20 mm; Object Distance: 40 mm; Image Distance: 40 mm
Magnification (using object and image distance): 1; Magnification (using focal length and object distance): 1
Magnification of a Lens Calculator
Physics0.0(0)
Calculates the magnification power of a lens based on focal length or object/image distances.
More tools:Science & Lab Calculators
How To Use
How to use this calculator
Start with your values, or try a preset.
Step 1
Enter Focal Length of Lens, Object Distance, and Image Distance in the units shown.
Step 2
Read Magnification (using object and image distance) and Magnification (using focal length and object distance) in the results panel. Results update as you change the inputs.
Step 3
Choose a preset to load an example, then adjust the values for your situation.
Worked Examples
Example calculations
See the inputs and their calculated results.
Microscope - High Power
Focal Length of Lens: 10 mm; Object Distance: 15 mm; Image Distance: 30 mm
Magnification (using object and image distance): 2; Magnification (using focal length and object distance): 2
Camera Lens - Wide Angle
Focal Length of Lens: 24 mm; Object Distance: 1,000 mm; Image Distance: 25 mm
Magnification (using object and image distance): 0.025; Magnification (using focal length and object distance): 0.02459016393
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