Build a Pin-hole Lens

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Introduction: Build a Pin-hole Lens

build apin-hole lenswitha thin sheet ofbrass, suitablefordigital SLR camera

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    To make a smaller pinhole than the needle itself, just dent the brass and polish the bump on the other side.

    If you don't have brass, cut a piece of aluminum from a soda can.

    exact, even then I have done so ...
    This video was the first pin-hole that was building.
    thanks ...