How to make a concrete 35mm camera

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I’ve seen some pretty weird cameras during my days here at DIYP. The creatives made them out of most random things: from a pineapple or a dummy, to giants made out of old vehicles, and even buildings.

Just when I think I’ve seen all the unusual camera ideas, creative people are surprising me with other awesome DIY projects. One of these people is a lady who goes by the nickname amuu. She made a concrete 35mm camera and shared instructions for you to make your own. It’s surprisingly good for something so basic, and it’ll give you real results.

Amuu has shared the step-by-step instructions on Instructables, but the premise is relatively simple. First you need to make a mold for your camera body out of concrete, and you can make it out of foamboard. Once your mold is ready, mix the concrete according to the directions, pour it in, and gently tap the mold against the table to release any air bubbles. My guess is that you can also do this with plaster of Paris and get even smoother results.

Concrete usually dries in 24 to 48 hours and you should sprinkle the surface with water from time to time. I normally do this with my craft, but it all depends on the concrete mix you use so I’ll leave the finesse to you. But once your camera body is dry, you need to unmold it, sand it down a bit to make it smoother, and paint the inside black to minimize light reflections.

As for your goal, it’s just a pinhole. You can use a piece of soda can and gently stick a needle through it to make the hole. When that’s done, stick it inside your camera faceplate. Finally, you need to make the wooden lid, as well as a film advance button. Your camera is now ready, and you can load the film!

When it comes to shooting, you do it like you would with any other pinhole camera. Slide the wooden cover to the side to reveal the pinhole and count (or use a stopwatch) to get the correct exposure. You will find lots of useful information about pinhole photography in this article to make sure your exposure is correct.

And finally, here are some of the results from amuu:

[via Instructables]

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