Pringles Pinhole (sort of..)

Discussion in 'Alternative Techniques & Photo Gallery' started by essjayyell, Jan 19, 2006.

  1. essjayyell

    essjayyell TPF Noob!

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    I cut a pringles tube about 1/4 of the way up from the bottom, then put the lid on the open end of the smaller piece. I taped this smaller piece to the end of the longer piece so the lid is basically inside the tube, about 1/4 of the way up from the bottom. I poked a small hole in the bottom of the tube.

    The lid is supposed to act as a kind of screen which the image is projected onto, but it didnt quite work out that way for me. Everything is being projected onto the inside of the tube. I stuck the lens of my camera into the tube, pointed it at various things and took some photos.

    Here's what I ended up with. I thought it looked pretty interesting.

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  2. df3photo

    df3photo TPF Noob!

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    Thats interesting... I wonder what went wrong... kinda neat that it projected on the sides... now it you had it on the screen and the sides that might be neat...
    good luck figuring it out... sounds like something i may have to try....
     
  3. woodsac

    woodsac TPF Noob!

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    I still like the effect.

    I read about this technique somewhere. I think they lined the inside of the can with black paper. It forced all the light to project at the end, where you wanted it. Might be worth a try before you toss it?
     
  4. essjayyell

    essjayyell TPF Noob!

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    I just sprayed the inside with matt black paint. It made it a lot easier to see the image but it's still being projected onto the sides. it might have something to do with the little circle/bump thing on the centre of the lid itself.

    The image on the screen is a bit clearer in these-

    [​IMG]

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    I might make one out of a square box and see how it goes. I need to get a polaroid back so i can do it properly
     
  5. LaFoto

    LaFoto Just Corinna in real life Staff Member Supporting Member

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    Even though your experiment might not quite have come out in the way you had wanted it to come out, I still am all fascinated by the effect you achieved, the "see-through" Pringles tube... it really gives the impression as if the wall of the tube was a gauze of sorts, while in fact what we see is a projection! Waaaaayyyyyy cool effect!
     
  6. essjayyell

    essjayyell TPF Noob!

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    Thanks! I'm happy how it turned out, even if it wasn't what I was expecting.

    Here are some photos of the thing

    I also wrapped it in black tape, just to be sure that it was completely dark inside the tube.

    [​IMG]

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  7. terri

    terri Administrator Staff Member Supporting Member

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    Awesome! :D I can't wait to see the next round of images from this.
     
  8. Rob

    Rob TPF Noob!

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    Yeah - what Terri said! I wonder if there's a clever way of sharpening that projection up a bit... hmm... might have to try it!

    Rob
     
  9. markc

    markc TPF Noob!

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    You are getting that result because of the size of the hole. The bigger the hole, the longer the focus length. A big hole pushes the film plane way back, making the image circle rather big. In your case, it's so big that it's washing onto the sides of the canister.

    A lot of the pinhole cameras I'm familiar with use thin brass or aluminum sheet that a very small hole is either tapped or drilled through using the tip of a small needle or very small drill bit.

    For the canister pihole cameras, I usually see a brass pinhole taped to the curved side, and the film is held opposite. The end is just for access.

    Google has some great links.
     
  10. ChopstickHero

    ChopstickHero TPF Noob!

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    interesting effects....
     
  11. Fate

    Fate TPF Noob!

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    Once you pop, you just cant stop :D sorry.... i may give that a go this weekend... + it means i can eat a whole thing of pringals for a reason other than being a slob :D
     
  12. essjayyell

    essjayyell TPF Noob!

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    Thanks everyone.

    Markc- thanks for the tip, I thought it might have something to do with the size of the hole. It is fairly big.
     

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