The American annual of photography . r, for which reason the twin-lens type of reflex camerahas still numerous advocates, in spite of its greater bulk. Yetagain, the low view-point called for by the reflex camera doesnot appeal to all workers. Against these objections, one mustbalance the very real and valuable ability of focusing objectssharply right up to the moment of exposure, and keeping thebest definition in the principal point of interest. To sum up, unless of decent size and specially constructed,brilliant finders, while quite satisfactory for most amateur*snap-shooting purposes, only
The American annual of photography . r, for which reason the twin-lens type of reflex camerahas still numerous advocates, in spite of its greater bulk. Yetagain, the low view-point called for by the reflex camera doesnot appeal to all workers. Against these objections, one mustbalance the very real and valuable ability of focusing objectssharply right up to the moment of exposure, and keeping thebest definition in the principal point of interest. To sum up, unless of decent size and specially constructed,brilliant finders, while quite satisfactory for most amateur*snap-shooting purposes, only afford a rough idea of thesubject included. Ground-glass finders are undesirably employed and making the necessary allowances, thedirect-vision finder, either of the concave lens or the wire-frame type, is perhaps the most generally useful, or else a peri-scopic finder as a substitute. For work where careful andselective focusing is called for, the twin-lens or the ordinaryreflex camera will frequently be preferable. 89. FIELD BOTANY AND THE CAMERA By R. W. SHUFELDT, (Photographs from nature by the author.) HEN my wife and I go out on our trampsthrough the District of Columbia, Maryland,and northern Virginia, my five by eight, old-fashioned camera usually forms a part of ourfield equipment; indeed, in the summer time, itis safe to say that it always does. Living, as we do, in the cityof Washington, all three of the above mentioned territoriesare readily accessible to us. In fact, as our home is close tothe grounds of the very extensive Zoological Gardens andRock Creek Park—the latter alone being nearly three milesin length—we have most charming woodland, streams, fields,and heavy timber practically at our very door. Wild rabbits,racoons, deer-mice, squirrels, and other mammals are foundall through this area and beyond, while many game birds andupwards of one hundred and fifty species of our wild birdsoccur here during the autumnal and vernal migrations. Fo
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1919
