Recent content by Zippie

  1. Z

    Undergrad Film advance in reel-to-reel camera with growing dowel diameter

    That's a good idea. Thank you, Sirs.
  2. Z

    Undergrad Film advance in reel-to-reel camera with growing dowel diameter

    Yes, the camera's lens system allows for a very wide view angle of 152° which at the focal length would develop a circle of film [upon said curved 'plane'] of 3,1 in or 78mm. Typical 35mm film would not be able to take advantage of this. 120mm film also has a paper backing which makes it easier...
  3. Z

    Undergrad Film advance in reel-to-reel camera with growing dowel diameter

    Thank you. It is indeed a matter of how tightly it is about the pickup dowel, but it will be kept quite taunt so the variance from an ideal situation could be left out. The film has marking on the back that could be used as reference, but no suitable method for reading them could be...
  4. Z

    Undergrad Film advance in reel-to-reel camera with growing dowel diameter

    Hello. So, I am building a camera and have ran into a problem that I feel could be solved with a semi-simple function. There is a reel-to-reel system for winding the film from a spool to a dowel of 3/4 inch diameter. I need to know how many turns of this dowel would result in advancing the...