. The book of photography; practical, theoretical and applied. Fig. 428.—Cloth and Rou Substitute for Bellows. by rack and pinion adjustment on thefront lens. All cameras which have theiradjustment in the back frame are unsuit-able, as in focussing the light is let inbetween the frame and the carrier. Mostfield cameras are nowadays made on theformer principle, but these are not alwayssolid enough for commercial enlarging. running on the wall, which are gripped byclips attached to a board as shown inFig. 429. The advantage of such au.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectphotography, bookyear