Home Movies (1944)

HOME MOVIES FOR JANUARY PACE 39 information please Fade Length Q: In answering my query in the December issue, you stated that forty frames of 16mm. film equal one second's running time. Shouldn't this be 16 frames? And wouldn't 20 fromes run a little over one second instead of half second} — Kenneth Rowland, Baton Rouge, La. A: Sorry the answer to your query was garbled. Correctly, it should have read: "The average length of a fade established in professional practice is 48 frames for 16mm. film. This, of course, is the maximum. Often shorter fades are desired, and these can be determined on the basis that a 48 frame fade will screen for 3 seconds at 16 f.p.s. speed. A fade half this length, therefore, would require 24 frames from point where fade begins to point of deepest opacity. In terms of seconds, a one-second fade would consume 16 frames. Overbleaching Q: Is there any danger in overbleaching a film that has been given first development the correct length of time? — Dave Roberts, Pueblo, Colo. A: If the first development is correct, sufficient silver remains deposited on the film to form the positive image. Therefore, regardless how long you bleach the film, the remaining silver would not be damaged. It is possible, however, that the emulsion would be further softened and this would not be desirable. Screen Areas Q: Can you give me the width of the screened picture at various distances for a projector equipped with the standard size lens (1 inch, %mm: 2 inch, 16mm. F.dJ? — Jerry Gregory, Little Rock, Ark. A: At ten feet, width would be i'io"; sixteen feet, 3V; twenty feet, $'9"; twenty-five feet, 4'8"; thirty-two feet, 6'o"; forty feet 7'$"; and fifty feet, / // 94 • Closeup Calibrations Q: / have heard that it is possible to make ultra-closeups and titles without aid of an auxiliary lens, simply by unscrewing the camera lens one or two turns. One friend recommends use of a set of mechanic's "feeler" gauges calibrated in thousandths of an inch. Have you any data as to the corrected focusing distance obtained with use of these "feeler" gauges with a one-inch fixed • Readers: This department is for your benefit. Send in your problems and our technical board will answer your question in these columns. If an answer by mail is desired, enclose addressed stamped envelope. focus 16mm. camera lens? — James K. Aldrich, Miami, Fla. A: Yes; the .011 gauge will enable you to correctly set your camera lens for shooting an object at six feet. After inserting the gauge blade, screw the lens down tight against it. Use of other gauges will permit shooting at the following distances: .018, four feet; .025, three feet; .040, two feet, .059, eighteen inches. Meter Reading O: Please fell me correct procedure for taking an exposure meter reading on an exterior shot consisting of a person backgrounded by foliage with some sky showing overhead. My last two scenes of this kind suffered from two much shadow in person's face. — John Aldridge, Logansport , Ind. A. You have experienced the same trouble most amateurs do in taking a reading on scenes of this kind. The sky area picked up by the meter gives an "over-reading," resulting in stopping down lens more than necessary to gain correct exposure for features of subject in scene. Correct method for reading this scene, is to take a reading close to subject — within 12 to 18 inches and with meter pointing to subject's face. Make sure, however, you cast no shadow across subject's face. Lens Stops Q: So often instructions state: "close down lens one stop," or "open up two stops-" Does this mean moving lens diaphragm from one point on the lens to the next, say from f/6.5 to f/ 8? — C. /. Wbifcly, Sharon, Pa. A: Unfortunately many cine lenses are calibrated in half stops instead of full stops, and some a mixture of both ; f/3.5, f/4. 5, f/6.3 and f/8 are halfstops. A lens properly calibrated for full stops will bear the following markings: f/1.5, f/1.9, f/2.8, f/4, f/5.6, f/8, f/11, and f/ 16 — that is, if the lens is an f/ 1.5. If it is an f/ 1.9, f/2.8 or an f/4 lens, the markings beyond these points will be the same, the difference from one figure to the next being one full stop. If not satisfied we return your camera prepaid. President Write Dapt. HM igass Camera Co. 179 W. MADISON ST CHICAGO 2 FOLDING FRAMES KEEP THEIR PICTURES SAFE Made to last a lifetime. Double frames, each window protected with glass-like acetate. Closes flat, like a book. Maroon, black, blue, green or ivory. Bound in sturdy, morocco-grain leatherette. For 5x7-in. pictures. $1.50: for 8xl0-in., $2.25. Soft Duraleather binding. For 5x7-in. pictures. $2.00: for 8xl0-in.. $3.00. At Stores or direct prepaid on money-back trial. Free Catalog of Amfiles for Slides, Negatives, etc. A FINE GIFT FOR A FRIEND OR YOURSELF. AM BERG FILE & INDEX CO. ISfiBSnfiC We have 8mm-l 6mm Film! Buy in Bulk: Spool Your Own & Save $$ 8MM. I6MM. 100 ft. Weston 8 $1.95 $1.35 100 ft. Weston 12 1.55 *I00 ft. Weston 24 3.85 3.60 •100 ft. Weston 100 4.95 3.95 •ranchrornatic Film. PROCESSING PRICES 100 ft. 16mm 85c per roll 50 ft. 16mm 50c per roll 100 ft. 16mm. Panchromatic $1.00 per roll 25 ft. double 8mm 50c per roll 4 rolls, 25-ft. dbl. 8. at one time $1.75 per roll 30 ft. or less single 8mm 35c per roll Write for Free Literature on PROCESSING OUTFITS AND ACCESSORIES TODAY! SUPERIOR BULK FILM CO. Dept. HM-II 188 W. Randolph St. Chicago, III. Kodachrome MAPS CHARTS FINE TITLES GEO. W. COLBURN LABORATORY Special Motion Picture Printing 995-A Merchandise Mart. Chicago STOP "APOLOGIZING" for your movie titles • To prove how easy it is fessional-looking titles to make beautiful proional-looking titles. . . A-to-Z offers you a • SAMPLE TITLE KIT— FREE • Write Today — Start 1944 with Better Titles. A-to-Z MOVIE ACCESSORIES 175 Fifth Ave. Dept. H 58 New York 10. N. Y.