. The book of photography; practical, theoretical and applied. 423.—Simple Fixed Focus Enlarger. going deals with a home-made apparatus,but similar enlargers may now be had ofalmost all dealers. Fig. 422 shows a farbetter and more usual form of apparatus,but of course more costly and less likelyto be found convenient by the majority of distances between the negative, the lens,and the paper are always proportionallyadjusted, so that an enlargement of anysize within the compass of the camera canbe obtained in correct focus by a simpleturn of the screw. In the illustration will. 4i:4. —Foldi
. The book of photography; practical, theoretical and applied. 423.—Simple Fixed Focus Enlarger. going deals with a home-made apparatus,but similar enlargers may now be had ofalmost all dealers. Fig. 422 shows a farbetter and more usual form of apparatus,but of course more costly and less likelyto be found convenient by the majority of distances between the negative, the lens,and the paper are always proportionallyadjusted, so that an enlargement of anysize within the compass of the camera canbe obtained in correct focus by a simpleturn of the screw. In the illustration will. 4i:4. —Folding F5ello\vs Fixed Focus Enlarger. amateurs. In an improved construction,and with certain additions to be describedlater, it forms the apparatus in use inall professional establishments. Variousforms of daylight enlargers are describedand illustrated on pp. 39 and 40 ; inaddition to these may be mentioned thesimple and inexpensive apparatus shown be noticed a parabolic reflector, providedfor use with incandescent gas if is detachable when daylight is em-ployed, and is shown separately by The two gas burners are screened bythe side wings of the reflector, and thelight can be regulated from the outside bytaps provided for the purpose. ENLARGING, COPYING, AND MAKING LANTERN SLIDES. 303 Modifications of the Carrier, etc. The carrier holding the negative may bemade to raise and lower, or move fromside to side, in order to obtain a more posing the reflector does not receive anunobstructed view of the sky, it will yetgive the field even illumination.
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