6A70.30 - Camera

Code Number:
Demo Title:
Image Formation, Focal Lengths, and Stops
Area of Study:
Box Camera's and Polaroid Camera's.

All the elements on the box camera's still work.  Polaroid pictures can still be taken with the camera not shown in the pictures.  We also have some single reflex Pentax camera's that may be used for demonstration.

  • Dan MacIsaac, "Smartphones in a Guitar Redux", TPT, Vol. 53, #3, Mar. 2015, p. 190.
  • John Carlslon, "The Kodak One-Time-Use Flash Camera", TPT, Vol. 42, #6, Sept. 2004,  p. 375.
  • Mark L. Biermann and Lois A. A. Biermann, "When the f/♯ is not the f/♯", TPT, Vol. 34, #5, May 1996, p. 312.
  • Loren M. Winters, "Observations Through a Moving Slot", TPT, Vol. 32, #6, Sept. 1994, p. 376.
  • Richard L. Childers, "A Photographer's Rule-of-Thumb", TPT, Vol. 29, #5, May 1991, p. 292.
  • Thomas B. Greenslade Jr., "Photography in the Classroom", TPT, Vol. 28, #3, Mar. 1990, p. 148.
  • Thomas B. Greenslade Jr., "The Camera Lucida", TPT, Vol. 27, #1, Jan. 1989, p. 48. 
  • Charlotte Farrell, "The Sloooow Camera", TPT, Vol. 26, #9, Dec, 1988, p. 581.
  • John F. Koser, "A Laboratory Activity in Geometric Optics Using a 35-mm Single Lens Reflex Camera", TPT, Vol. 25, #7, Oct. 1987, p. 427.
  • H. Richard Crane, "How Things Work: Automatically Focusing Cameras", TPT, Vol. 22, #9, Dec. 1984, p. 600.
  • Richard L. Childers, "Thin Lens Photographs", TPT, Vol. 21, #7, Oct. 1983, p. 465.
  • Michael J. Ruiz, "Camera Optics", TPT, Vol. 20, #6, Sept. 1982, p. 372.
  • E. Scott Barr, "Image from a Pinhole", TPT, Vol. 19, #3, Mar. 1981, p. 154.
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  • Lynsey Addario, "4 Great Cameras That Are Worth the Money", Popular Mechanics, Vol. 194, #7, July/Aug. 2017, p. 10.
  • What a Fujifilm X30 Camera Looks Like When You Tear It Apart", Popular Mechanics, Vol. 192, #2, Feb. 2015, p. 42.
  • Brent Rose, "This Camera Was the Best of Both Worlds", Popular Mechanics, March/April 2021, p. 78.
  • Alyssa Favreau, "Self-Powered Camera", Popular Science, Vol. 288, #3, May/June 2016, p. 42.
  • Rose Pastore, "Instant Revolution", Popular Science, Vol. 285, #4, Apr. 2013, p. 88.
  • "Camerz and Long-Roll Camera", Wiki, Information about the large Nord Box Camera.
  • George M. Hopkins, "Photography", Experimental Science, p. 318.
  • H. Richard Crane, "The Transponder: Device of Many Uses", How Thing Work (1983 - 1995), p. 53.
  • Janice VanCleave, "44, Opaque Projector", Teaching the Fun of Physics, p. 70.
  • Janice VanCleave, "42, A Living Picture", Teaching the Fun of Physics, p. 67.
  • Isaac Asimov, "The Invention of the Devil", Science, p. 125.
  • "Picture Credits", The Truth about History, Readers Digest, ISBN 0-7621-0523-2, p. 263.
  • T. D. Rossing and C. J. Chiaverina, "10.2, Cameras", Light Science, Physics and Visual Arts, p. 227.
  • T. D. Rossing and C. J. Chiaverina, "Home and Classroom Demonstartion", Light Science, Physics and Visual Arts, p. 243.
  • T. D. Rossing and C. J. Chiaverina, "Experiment 10.1. Exploring A Single Use Camera With Built-In Flash", Light Science, Physics and Visual Arts, p. 418.
  • "The Universal Camera", The Queen Catalogues, James W. Queen & Co., 1993.
  • Prof. Robert Griffith, "A Home-Made Photographic Camera", Boys' Useful Pastimes, p. 77.
  • Joseph Frick, "#180 - Camera Obscura", Physical Technics: Or Practical Instructions for Making Experiments in Physics and the Construction of Physical Apparatus with the Most Limmited Means, p. 209.
  • Dr. Gordon Stables, R.N., C. Stansfeld Hicks, J. N. Maskelyne, Rev. Harry Jones, M.A, Dr. Stradling, Captain Crawley, Rev. A. n. Malan, M.A., F.G.S., and Many Others, "Chapter XXXVI - The Camera Obscura: How to Make and Use It", The Boy's Own Book of  Indoor Games and Recreations, A Popular Encyclopaedia for Boys, p. 355.
  • Editors of Portable Press, "Accidental Discovery: Photography", Strange Science, p. 316.

Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist.  The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose.  The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources.  Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks.  These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage.  Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.