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Handling Focal Length Conversion To Pixels For Distance Calculation— Android | by David Biga | Medium
![Calculate the focal length of a convex lens which produces a virtual image at a distance of 50 cm - YouTube Calculate the focal length of a convex lens which produces a virtual image at a distance of 50 cm - YouTube](https://i.ytimg.com/vi/0GXwBHln8OE/maxresdefault.jpg)
Calculate the focal length of a convex lens which produces a virtual image at a distance of 50 cm - YouTube
![Focal length, explained by RP; focal distance, dioptric power, curved mirror, lens equation, microscope, photographic objective, focus, beam radius Focal length, explained by RP; 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, explained by RP; focal distance, dioptric power, curved mirror, lens equation, microscope, photographic objective, focus, beam radius
![Example using lens formula An object is situated a distance of 15cm from a convex lens of focal length 30 cm. The position of the image formed by it will be 1 Example using lens formula An object is situated a distance of 15cm from a convex lens of focal length 30 cm. The position of the image formed by it will be 1](https://toppr-doubts-media.s3.amazonaws.com/images/2822810/f3081fcd-0545-4dcb-a7a7-b540371c019f.jpg)
Example using lens formula An object is situated a distance of 15cm from a convex lens of focal length 30 cm. The position of the image formed by it will be 1
![Write the formula for a lens connnecting image distance (v), object distance (u)and the focal length - YouTube Write the formula for a lens connnecting image distance (v), object distance (u)and the focal length - YouTube](https://i.ytimg.com/vi/HYPWU4GlG0c/maxresdefault.jpg?sqp=-oaymwEmCIAKENAF8quKqQMa8AEB-AH-CYAC0AWKAgwIABABGGUgZShlMA8=&rs=AOn4CLAtWBX4r8d_DUrHx5ZxGdi67ISRug)