Wide angle lens add-on for phone cam


TPF Noob!
Oct 4, 2011
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I'd like to widen the angle of view captured by a smart phone camera. Wide enough to capture most of a room from a corner.
Would it at all be possible to put some simple lens infront of the built-in camera lens in order to achieve this? Would it suffice to have a piece of glass cut out for the purpose? Are their maybe even standard lenses available (like, for binoculars) which would be suitable for use in this way?

As you notice, I know very little about optics.
Wow, that's great news!
I hardly thought it existed, but its well established and prices are reasonable. Thanks!
And btw, google is only a friend of those who know the magic words... ;)

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