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CHAPTER II CARE IN CAMERA WORK NE of the most important functions in good movie mak- ing is the proper loading and unloading of the camera. More trouble and spoiled film can be caused here than in any other part of film making. Therefore, some words of advice on the proper procedure are appropriate. When loading and changing the highly sensitive panchro- matic and supersensitive films, or even the slower semi- chromatic films, attention should be given to the following precautions in the use of the 16 mm. camera. The film is guarded at each end by about five feet of pa- per or film leader and trailer, perforated exactly like the film. It is the leader and trailer (and the light-tight reel) which make daylight loading of the film possible, preventing light from entering during either operation. LOADING CAMERA —It is recommended that loading and changing be done by weak light and under no circumstances should the operation be performed in direct sunlight. If no shaded place is available when the film is being loaded or changed, throw a coat or other shield over the camera to pre- vent the sunlight falling upon the film. Full directions for the loading of the camera are furnished by the manufacturer, but they are repeated here in case the amateur who has newly acquired his equipment has neglected to study them carefully. A thorough understanding of the correct method of loading and changing the film will save many feet of light-struck and useless pictures. Remove the roll of film from the carton in which it is sup- plied. Most manufacturers protect unexposed film by enclos- ing it in a two-piece steel container. This not only protects the film from being accidentally exposed to light, but also protects the reel from being bent and the film damaged when it is returned to the processing station. 12