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Spherical Mirror Image Calculator
Use this online spherical mirror image calculator with labeled inputs and a worked example. f = R/2; 1/di = 1/f − 1/do.
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mirror equation calculator online
Use spherical mirror image calculator online with the physical quantities shown below. Paraxial spherical mirror; concave R positive, convex R negative, real object distance positive.
How to use it
Enter Signed curvature radius (m). Set Real object distance (m). Select Calculate, check the result units, then copy or download the JSON result.
Options and example settings
Calculation method
f = R/2; 1/di = 1/f − 1/do
Worked examples
Worked case for spherical mirror image calculator. Paraxial spherical mirror; concave R positive, convex R negative, real object distance positive.
Spherical Mirror Image Calculator — example with explicit inputs
Settings: Real object distance (m): 0.6
Input:
0.4
Expected result for the example input and options:
Output:
{
"focal_length_m": 0.2,
"image_distance_m": 0.30000000000000004,
"magnification": -0.5000000000000001
}Limitations and common mistakes
- Paraxial spherical mirror; concave R positive, convex R negative, real object distance positive.
- Match every input to its displayed unit; scientific notation such as 1e-6 is accepted.
- This is the documented idealized model; real systems may require additional effects and measurement uncertainty.
Frequently asked questions
How can I use mirror equation calculator online?
Enter Signed curvature radius (m). Set Real object distance (m). Select Calculate, check the result units, then copy or download the JSON result.
Which model does Spherical Mirror Image Calculator use?
f = R/2; 1/di = 1/f − 1/do. Paraxial spherical mirror; concave R positive, convex R negative, real object distance positive.
Technical references
Where is my input processed?
The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.
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