![Focal length, focal distance, dioptric power, curved mirror, lens equation, microscope, photographic objective, focus, beam radius Focal length, focal distance, dioptric power, curved mirror, lens equation, microscope, photographic objective, focus, beam radius](https://www.rp-photonics.com/img/focal_length.png)
Focal length, focal distance, dioptric power, curved mirror, lens equation, microscope, photographic objective, focus, beam radius
![Write the formula for a lens connnecting image distance (v), object distance (u) and the focal length (f). How does the lens formula differ from the mirror formula? Write the formula for a lens connnecting image distance (v), object distance (u) and the focal length (f). How does the lens formula differ from the mirror formula?](https://d10lpgp6xz60nq.cloudfront.net/ss/web/791240.jpg)
Write the formula for a lens connnecting image distance (v), object distance (u) and the focal length (f). How does the lens formula differ from the mirror formula?
![Focal Length Formula & Examples | How to Calculate Focal Length - Video & Lesson Transcript | Study.com Focal Length Formula & Examples | How to Calculate Focal Length - Video & Lesson Transcript | Study.com](https://study.com/cimages/multimages/16/2diagram_mirror6688182548421281944.png)
Focal Length Formula & Examples | How to Calculate Focal Length - Video & Lesson Transcript | Study.com
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