How to use the ‘Magnifier’ option in iOS10
iOS10 has a lot of new features (hidden and not so hidden) and one of the newest features is using the iPhone camera has a "Magnifying glass". Â This will work on devices that are able to run iOS 10.
Here's how to enable it:
- Go to Settings > Accessibility > Magnifier.
- Slide the option to ON.
Now exit Settings, and then triple-tap the Home Button to activate it.  When enabled, a user can activate the magnifier from anywhere on the device - even from the lock screen.
Things you can do with the Magnifier:
- Snap a photo.
- Zoom-in.
- Look focus.
- Use the flash as a light.
- Adjust the color of the screen.
- Invert the view (doing so will show a different user's interface (UI)).
This feature is for those with visual impairments or need something extra to see fine print.