Setup for photographing hand guns

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Good photographs of guns should show details clearly so that inscriptions, numbers, proof marks, etc. can be read on the finished prints, assuming that they are clear on the specimen. The most important element in obtaining such photographs is proper illumination. The gun photographs in this book were taken under the illumination and other conditions given in the following paragraphs. Naturally, some of the detail of the photographs was lost in the process of reproduction, either in the engraving or the printing process.

A 4x5 Kodak Master View Camera provided with a Kodak Ektar coated lens, f-4.5 and 152 mm. focus, was used. The camera was mounted on a Bruneau pneumatic tripod which gives firm support. Panatomic-X cut films developed in glycin developer gave satisfying detail, contrast, and grain. The illumination was provided by the equipment shown in Fig. 95. The „light box" is 151/2 inches wide, 22 inches long, and 11 inches deep, and is placed on a stand 6 inches high. Near the bottom are five 15-watt G.E. white fluorescent tubes and the interior of the box is painted with aluminum paint. At the top of the box is a plate-glass cover upon which the gun is placed. Three inches below the plate glass is an opal glass, filling the whole cross section of the box. This diffuses the light to give an evenly lighted background. The box has a hinged door on one side for the replacement of tubes when required.

At each side of the box there is a 15-watt fluorescent lamp in a reflector and these are supported by telescoping tubes so that they can be moved up or down as desired. Lateral adjustment is also provided. The lamp reflectors are faced upwards so that no light passes directly from the light source to the object being photographed. Passing from the outer edge of one lamp housing to the outer edge of the other is a 40x16-inch curved reflector lined with glass-beaded screen material („Dalite"). The reflector has an elliptical 3X6-inch opening at the top to allow the light from the object to pass to the camera lens above. All of the light which reaches the object being photographed is reflected light, part coming from the tubes in the box and part from the tubes at the sides of the box. This arrangement gives a soft, even illumination, free from shadows and free from glare.

A scale is placed alongside the gun being photographed. It is important that this scale be placed at the proper height. If it is laid on the glass it will be farther from the lens than the axis of the barrel and an erroneous effect will be produced. Being farther from the lens,, the scale will naturally be reduced in size in the photograph. The accompanying photograph, Fig. 96, of two 6-inch scales, one laid on the plate glass and the other supported at a height of 11/16 inch above it, shows this parallax effect clearly. There is an apparent difference of 1/4 inch in the length of the two 6 inch scales. Naturally the less the distance between the camera lens and the object being photographed the greater the parallax effect will be. Obviously, to get proper dimensions the scale must be supported at a height coinciding with the axis of the barrel. When the exposure is made the diaphragm is set at f-32 to give the depth of focus necessary to bring out details.

It is desirable that both sides of each gun be photographed. Otherwise details that are important to the expert or the collector will be missed.

Frequently one has occasion to photograph a nickel-plated gun that shows rust spots. These can be eliminated to a considerable degree by careful dusting of the discolored surface with aluminum powder. Fig. 97 shows, for the purpose of illustration, an extreme case. Discolored spots on guns with blued finish can be greatly improved for photographing by rubbing with steel wool and rebluing the area with one of several rebluing preparations that are on the market. This should not be done on aluminum surfaces, of course.

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Knife Throwing Techniques of the Ninja

Knife Throwing Techniques of the Ninja

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