Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Optics
Thin Lens Focal Length Calculator
Compute the focal length of a thin lens from object and image distances, or find where an image forms for a known lens. Essential for optics lab work, camera design, and eyeglass prescription analysis.
Fill in the required fields to see your result.
Optics
Optical Magnification Calculator
Find the total magnification of a microscope or telescope from objective and eyepiece focal lengths. Useful for students, lab technicians, and amateur astronomers configuring optical instruments.
Fill in the required fields to see your result.
Key differences
| Thin Lens Focal Length Calculator | Optical Magnification Calculator | |
|---|---|---|
| Category | Optics | Optics |
| Inputs required | 2 | 4 |
| Result | Focal Length (cm) | Total Magnification (Γ) |
| What it does | Compute the focal length of a thin lens from object and image distances, or find where an image forms for a known lens. Essential for optics lab work, camera design, and eyeglass prescription analysis. | Find the total magnification of a microscope or telescope from objective and eyepiece focal lengths. Useful for students, lab technicians, and amateur astronomers configuring optical instruments. |