. The book of photography; practical, theoretical and applied. Fig. U35.—Fixed Focus Magnifier. be lost sight of, and is obviously anadvantage. With lenses of high-gradedefinition very little stopping-down is ad-visable for this class of work. A greateramount of brightness and relief, and abetter rendering of atmosphere, are ob-tained by the use of a large furtlier information concerning lenses,the reader is referred to the section deal-ing with that subject. Focussing. In all descriptions of outdoor workfocussing is apt to prove troublesome ifthere is any wind, owing to the clot
. The book of photography; practical, theoretical and applied. Fig. U35.—Fixed Focus Magnifier. be lost sight of, and is obviously anadvantage. With lenses of high-gradedefinition very little stopping-down is ad-visable for this class of work. A greateramount of brightness and relief, and abetter rendering of atmosphere, are ob-tained by the use of a large furtlier information concerning lenses,the reader is referred to the section deal-ing with that subject. Focussing. In all descriptions of outdoor workfocussing is apt to prove troublesome ifthere is any wind, owing to the clothbeing blown about. This may be minim-ised to some extent by sewing cords to. Fig. 636.—Adjustable Focussing Magnifier. the cloth, to tie round the lens and acrossthe body. A useful device for simplify-ing the operation of focussing and render-ing a cloth unnecessary is shown by It consists of a tube or chamber ofvelvet, arranged to fasten to the cameraback while focussing, the other endterminating in a smaller opening just largeenough to come over the eyes, and pro-vided with a couple of elastic loops togo over the ears. A focussing glass ormagnifier is often of great assistance.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectphotography, bookyear
