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appearance of the hand camera, the London Stereoscopic Com-pany took a lead in the introduction of a twin-lens form. Their most recent and compact twin-lens camera is shown by fig. 4.
Mr. Dallmeyer's Naturalists' Camera. Another very excellent camera for zoological work is the Dallmeyer " Naturalists' Hand |
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Camera," in which the focussing is by a reflection from the working objective. This system allows the use of a lens both with and without telephoto attachment. The quarter-plate size, shown by figs. 5 and 6, allows of a focal length from 6 ins. to (virtually) 45 ins., a matter of very great importance when the |
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Fig. 6.
worker may at one time wish to photograph domestic animals at close range, and at another time to set the camera as a standing watch on distant animals - nesting birds for example.
The Hand Camera on a Stand. Although the forms mentioned above are called hand cameras, and will often be used while held in the hand, it must not be forgotten that, in many cases,
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