Home Movies (1951)

**I3ve got a problem 99 Film Discoloration Q: What causes movie film (especially semi-orthochromatic) to turn brown and jade after a period of years'? A — Most common reason for this is . inadequate washing at the time of processing and resulting failure to eliminate all the hypo. This condition usually shows up much sooner, but films kept in light-tight containers might easily last some time before turning. — (By F. E. Smith, N.Y.) Parallax Correction Q: In filming titles, I have trouble centering them. At ivhat distance ivill they be centered through the viewer and lens simultaneously? A: They cannot be centered exactly unless the viewer is adjustable, as the angle of view for both is the same. The greater the distance, however, the less noticeable the parallex error. There are many ways to correct parallex, including use of a rackover or a title centering guide. — (By Rod. Brooks, Hollywood') Screen Repair Q: How can I repair my screen, which has an area of about one square inch scraped of its beads? A: Spread the area with flat white lead paint and let it dry until it becomes "tackey," then sprinkle the beads over it, blowing steadily to spread them evenly. Continue until the entire surface is covered with beads. After the paint is completely dry, ap CLUBS • Continued from Page 1 53 LOS ANGELES —Members and guests of the Los Angeles 8mm club met on the evening of April 10th, 1951, in the Bell and Howell auditorium, 716 No. La Brea Ave., Los Angeles. The club's annual "Shortie" contest, in which members' films of 100 feet or less are eligible, was the main event of the evening, with seven entries. The judges were Mr. Henry Provisor, editor of "Home Movies" magazine; Mr. Dick Farrell, editor of "The Camera Corner" in the Los Angeles Daily News; and Mr. John Marion, of the Motion Picture division of the department of Theatre Arts of the University of California at Los Angeles. Winning films in the contest were: "Just Two" by Bob Browning — 1st prize; "The Contest" by Dr. F. Guerrieri — 2nd prize; "Two on the Nose" by Barry Dance — 3rd prize; "Lake Mead and Grand Canyon" by Louise Fetzner — honorable mention. Other entries were: "Snow Fun" by Rosalee Harrison; "Miniature Railway" by Don Edgren; and "Shrine Time" by Gene Elliott. ' «See "CLUBS" on Page 176 ply a coat of shellac with a spray gun. — (By Jean Ault, Chicago?) B & H Auto 8 Q: I would like to build a titler for my B & H Auto-8 camera. Can you give me the exact measurements from lens to bottom of camera and from the tripod socket to the lens? A: From the center of the lens to the bottom of the camera, the distance is 3% inches. Distance from center of tripod socket to center of lens is inch. Center of lens is 3^4-inch below and ^8-inch to the right of the center of the viewfinder objective. — (By M. R. Scott, Burbank, Calif?) Projection Field Q: Can you give me approximate pictursize with various lenses on an 8mm proe jector? A: Picture widths with a ^4-inch focal length projector lens at various distances include: 3 inches at 1 foot; 5 inches at 2 feet; 8 incehs at 3 feet; 11 inches at 4 feet; 14 inches at 5 feet; 16 inches at 6 feet; 22 inches at 8 feet; 27 inches at 10 feet; 41 inches at 15 feet; 82 inches at 30 feet; 110 inches at 40 feet; 137 inches at 50 feet. A oneinch lens will give a width of 4 inches at 2 feet; 6 inches at 3 feet; 8 inches at 4 feet; 10 inches at 5 feet; 12 inches at 6 feet; 16 inches at 8 feet; 20 inches at 10 feet; 31 inches at 15 feet; 41 inches at 20 feet; 62 inches at 30 feet; 82 inches at 40 feet; 103 inches at 50 feet. A l>2-inch lens gives a 3-inch width at 2 feet; 4 inches at 3 feet; 5 inches at 4 feet; 7 inches at 5 feet; 8 inches at 6 feet; 11 inches at 8 feet; 14 inches at 10 feet; 20 inches at 15 feet; 27 inches at 20 feet; 41 inches at 30 feet; 55 inches at 40 feet; 69 inches at 50 feet. Height of the picture is approximately three-fourths of the width. — (By Barry Leipsic, Ottawa, Canada.) CASH FOR YOUR IDEAS Let's not keep it a secret. If you have discovered a new process or new gadget, share them with your brother filmers. If you have built a novel gadget for your camera, projector or titler, tell others about it. If you have developed a new short cut in filming, titling, editing or processing home movies, pass it along to others through the page of Home Movies. Published ideas will be bought for editorial use, with payment of $2, $3 and $5 depending upon originality and novelty. Write a letter describing your idea, and if possible include a simple sketch or photo. Submit as many as you wish. Those not published will be held for possible use in later issues of Home Movies. when lighted with REFLECTOR PHOTOFLOODS You get better home movies of precious childhood moments, when you use G-E PH-375s. For they make it easy to put the right light in the right places. General Electric Medium Beam Reflector Photofloods are designed expressly for home movie-making. Their 40° beam matches your camera coverage. And you use four instead of three on a single home circuit, for more light and better balance. Try G-E 37 5s today, for finer quality movies ! Remember . . . 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