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The photographic news
- Bandzählung
- 12.1868
- Erscheinungsdatum
- 1868
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- Englisch
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- Hochschule für Grafik und Buchkunst Leipzig
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- Hochschule für Grafik und Buchkunst Leipzig
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- Bandzählung
- No. 501, April 9, 1868
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Zeitschrift
The photographic news
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Band
Band 12.1868
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- Titelblatt Titelblatt I
- Kapitel Preface III
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- Register The Index To Volume XII 619
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Band
Band 12.1868
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- The photographic news
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April 9, 1868.] THE PHOTOGRAPHIC NEWS. 175 former number, will be of service in the gum and paste recommended above. A very useful and available article to keep paste, &c., in is one of the common mustard-pots that have covers fitted to them for keeping out dust and dirt. It is as well not to leave the brush in the paste, but to well wash it after using, and put by for another time. o OUT-DOOR PHOTOGRAPHY. BY J. R. HEATON.* As the time of the year is now fast approaching when pho tographers will commence active operations out of doors, I thought it would, perhaps, not be out of place to offer a few remarks on photography in the field, with a glance at the apparatus necessary for its prosecution by the wet process. We will commence, then, with the dark tent. I have tiled a variety of contrivances in the shape of boxes and tents of almost every description for the preparation and development of wet plates in the field, and I may safely say that I have found none so portable or convenient as the one now before you; it is so easily and quickly erected—not occupying more than two minutes—which I consider a very great advantage when you have to move about to so many different localities in a day. 'Poo much attention cannot be given to see that each and every part of the appa ratus is properly fitted and constructed, so that no accident may occur when in the field. I have some painful recollec tions of accidents which have happened during my expe rience in out-door work. How provoking to the ardent photographer when, after travelling miles away from home in search of the beautiful and picturesque, he at last comes upon some glorious landscape which he has often dreamt of, but never before seen realized—a wonderful combination of foliage, water, clouds, sunshine and everything that is grand and beautiful; there is not a breath of wind to disturb the most delicate blade of grass ; the purest of light comes just in the right direction for giving the best effect to the scene ; he is enraptured, and somewhat nervously commences opera tions by unpacking his tent and his chemicals—when, to his horror, he discovers that by some mysterious and extraordi nary means the camera, lenses, plates, &c., are completely in undated. The screws of his water-tight bath have failed to perform the office assigned to them, consequently the nitrate solution has free access to the box and everything it con tained : perhaps the glass dipper is broken, or the loose handle for focussing has been left behind, or lost, and you are thus debarred from proceeding any further until things are recti fied, which is not always an easy matter when away from home. As Richard the Third, you might with propriety exclaim, “ A screw 1 a screw ! my kingdom for a screw ! ” It isagood plan, in fitting out an equipment, to provide a sepa rate place for every article required, so that if there be any vacant places visible, the deficiencies can be at once filled up ; and if there be any doubts whatever respecting the working qualities of either apparatus or chemicals, by all means try a plate before venturing away from home. It may save you from much useless labour, expense, and consequent mortifi cation. As to cameras, I think that for ordinary out-door opera tions there is nothing supersedes the binocular form with bellows body, rising front, swing back, hinged focussing screen, and moveable central partition. In the camera before you—which I may here state is made by Mr. Rogerson, of Manchester—you will observe that with this camera long or short focus lenses can bo used at will according to circum stances or requirements, which is sometimes a great advan tage, especially when working in confined situations. The focussing is effected by means of a rack-and-pinion; it is more convenient to work, besides saving the extra expense in having a rack-and-pinion to every lens you use. You will also observe that it can be used either in a vertical or horizontal position, and that (unlike any camera I have ♦ Bead before the Oldham Photographic Society, March 26th. seen before) the rising front and swing back movements are available in both cases. It is constructed for plates 7} by 5, and is suitable for a variety of work. It may be used both in the studio and the field, taking pictures the full size of the plate for stereo slides and cartes, the length of the plate enabling the operator to cut his carte prints either horizon tally or vertically, whichever best suits the picture. He has also considerable latitude for stereos. One half the size of plate comes in very handy for book illustrations and for magic lantern slides. Another advantage is that, having only one size of plate, you only require one size-of bath, plate-box, printing-frames, &c. As a rule, the tripods generally used for out-door photography are too low. I think that to give the best effect in most cases the camera should stand (say) from 5 feet 6 inches to C feet in height, which would be about the same level as is generally seen by the ordinary observer of nature. A longer tripod is very useful when you wish to operate over a wall or fence, or to plant in a stream or brook, as is sometimes necessary. The landscape photographer should, if possible, provide himself with a number of lenses of different focal lengths, and have them ready for use as circumstances and occasion would suggest. I think it would be unwise for me to recommend any particular formula for the production of negatives in the field, as so much depends upon the description of subject you may have in hand. You may wish to take a distant land scape, a group of cattle, a study of foliage, ferns or grasses; or, may be, an architectural subject; perhaps, a river scene, or a waterfall. And then, again, much depends upon the light, the temperature, and other things combined together, that I should consider it a piece of folly to recom mend one particular formula or mode of working for any thing and everything you may come across. Of course every photographer knows—or, at least, ought to know—the value and importance of keeping his chemicals in the best working condition possible. And should he have any par ticular formula or method of manipulating wet plates with proficiency and certainty, let him stick to it, and not allow himself to bo led or carried away by the numberless for mulas, processes, and their modifications, that are continually emanating from various sources. There are collodions, baths, developers, and in abundance ; some collodions that are said never to fail in giving the best results, even in the worst of weather. Collodion is now manufactured for pro ducing portraits a la Salomon. There are baths which never get out of order; and I have seen some that, judging from the plates which come from them, never were in order. There are developers of all descriptions and strengths, vary ing from 2 or 3 grains to nearly 100 grains to the ounce ; some that both develop and intensify in one operation, and some that bring out nothing but fog, streaks, stains, spots, and dissatisfaction. There are processes and formulas enough to perplex and bewilder all who will go to the trouble and expense of trying them. It does not necessarily follow that because Mr. A. develops his negatives with a gelatine solution, and gets such beautiful results, that I, or anyone else, using the same developer, shall produce exactly the same, or even similar pictures; it is the knowledge of seeing and knowing what we most require, and adapting the same to our requirements. Why should every subject we operate upon receive the same mechanical treatment ? The photographer should always have two or more samples of collodion of different characters, one giving a good creamy film, the other a thin one; these can be used in their original state, or mixed together, to suit any particular subject. A small bottle containing a concentrated solution of iron is also a very valuable acquisition for strengthening the ordinary developer, now and then, as occasion requires. The facility of successfully developing a picture is one that requires a considerable amount of experience, as a nega tive is so very easily spoiled by under or over-development. In taking a landscape embracing some ten or twelve miles of scenery, the extreme distance being composed of mountains
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