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Camera slider for stacking focus

Discussion in 'Other Builds' started by Cuong Vu, Nov 27, 2013.

  1. Cuong Vu

    Cuong Vu Well-Known
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    Cuong Vu published a new build:

    Read more about this build...
     
  2. Mark Carew

    Mark Carew OpenBuilds Team
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    Thanks for sharing this cool build Cuong!
    I love the bracket on the end that holds the Uno and that it can be bat powered so it can go in the field with you.
    My question is about control, how are you going about doing it? Did you write a sketch that allows you to enter the intervals and timing for the shot/moves? Are you able to use the keypad on the LCD to work your way around in this sketch?
    Also what is 'stacking focus pictures'? I would like to see some of these when you get a chance
    Thanks
    Mark
     
    #2 Mark Carew, Nov 27, 2013
    Last edited: Nov 27, 2013
  3. Cuong Vu

    Cuong Vu Well-Known
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    Hi Mark,
    I did the sketch and using that keypad to input how many picture and the distant between them.
    The timing I fixed at 3 second each to let the camera settle after the move. The camera is connected to the board so the board can fire the camera as well

    The stacking focus picture is a picture that stacked from a lot of pictures took at difference focus points.
    When you take macro picture, the depth-of-field (DOF) is very shallow, so in order to have a picture with the whole object razor sharp, you have to take a bunch of macro pictures at difference points then use software like Photoshop to stack them.

    Here is the setup:
    20130916_235527.jpg

    One of the picture:
    IMG_9765Small.jpg

    The result:
    2013-12-05-23.54.05 Small.jpg
     
    #3 Cuong Vu, Dec 6, 2013
    Last edited: Dec 7, 2013
  4. Mark Carew

    Mark Carew OpenBuilds Team
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    So thats how its done! Awesome explanation and examples Cuong Vu thank you. This why I love this site, so many cool people doing cool things I learn so much.
    Mark
     
  5. Eric L

    Eric L New
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    How did you mount the tripod head? Most heads require a 3/8" screw, yet the holes on the gantry plate are only 5mm diameter.
     
  6. Cuong Vu

    Cuong Vu Well-Known
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    I just drilled it out.
     
  7. Colin Russon

    Colin Russon Journeyman
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    Very, very cool project.
     
  8. imestein

    imestein New
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    Hi, Very cool build. I am just starting out and just as you have done I want to build something a 3D printer but need something smaller to get used to it all. I am familiar with Arduino and wondered if you can supply the code for this slider project. I would like to emulate this build for my son who is getting into photography. Help with the code will be fantastic and would allow me to get this project started. Much appreciated. Thanks. imestein.
     
  9. Ozan

    Ozan New
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    Hi,

    I'm a film maker and need a VERY stable and smooth slider for my videos. How sturdy and smooth is this slider? Can you make an example video where you shoot video with the setup while it slides?
     
  10. Enrike Raudales

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    Cuong Vu I want to make one right now, but I have two questions before.
    The first one is if you can share the code. I do not have much experience with arduino.
    The second one is what it's the slider displacement it's 0.01mm, 0.1mm, 1mm, 1cm?
    I ask it because for taking macro shoots you should move small amounts. Distance of 0.01 mm-to 1 mm
     
  11. Jeffy

    Jeffy New
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    Awesome shots taken by 2ft Video Camera Mount Slider Tripod Stand. I love it and likely to buy it soon....ac

     
  12. Neilyboy

    Neilyboy Well-Known
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    Being an open community would you be willing to share your arduino sketch? I myself am working on a longer 1500mm timelapse rail for a smaller mobius camera. I would love to check out your code so I can tweak with it for my setup. I may also like to build this smaller stacking focus rail for taking pictures at our local metal detecting club meetings (I do some macro shots now but like you say the dof is so razor thin even a coin sitting fairly parallel to the lens can be out of focus at times) this would be perfect and amazing as it would be automated! So again the code would be really useful! Thanks a ton in advance.
    Neil
     
  13. Phillip Rittmuller

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    What a great build! I'm thinking of doing something similar for a time-lapse rig and was wondering what power supply and battery you used.
     
  14. Cuong Vu

    Cuong Vu Well-Known
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    I supply it by the 3S lithium battery which i already have for my helicopters. I use it direct for the motor. On the control side, i regulate it down to 5V
     
  15. Phillip Rittmuller

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    Thanks! If I can ever find the time to assemble my project, I'll post it here.
     

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