How to use this tool
Check the units, enter your values, and run the tool. Results follow the assumptions and method below.
Calculation method
Image distance
1/(1/f-1/d)Lateral magnification
-(1/(1/f-1/d))/dMirror Equation Calculator
Concave focal length is positive. f≠0 and object distance must differ from focal length.
Concave focal length is positive. f≠0 and object distance must differ from focal length.
Result
Enter your values and run the tool to see your result.