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![optics - Why is it more reliable to use the land/pit transition in a CD-ROM? - Engineering Stack Exchange optics - Why is it more reliable to use the land/pit transition in a CD-ROM? - Engineering Stack Exchange](https://i.stack.imgur.com/wOhON.gif)
optics - Why is it more reliable to use the land/pit transition in a CD-ROM? - Engineering Stack Exchange
![The readable area of a CD is magnified in order to see the pit and land... | Download Scientific Diagram The readable area of a CD is magnified in order to see the pit and land... | Download Scientific Diagram](https://www.researchgate.net/publication/303401629/figure/fig7/AS:668456420659211@1536383838363/The-readable-area-of-a-CD-is-magnified-in-order-to-see-the-pit-and-land-sizing-The.jpg)