Testing my foldscope with iPhone’s “Magnifier” tool on a prepared slide of onion root tip

Hi, I’m Cedrick from the Philippines. This is my first time to post here ever since I received my foldscope four months ago.

I recently discovered that there is a hidden “Magnifier” tool that comes with installing iOS 12 on my iPhone 6, that can be turned on by going to “Settings” > “General” > “Accessibility” > “Vision”, and selecting “Magnifier” under it and toggling it on. It gives your iPhone more zooming capability compared to the limited zooming capability of its camera.

I tested it with foldscope’s magnification and was delighted to see the different stages of plant cell mitosis in an onion root tip more clearly.

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