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CUSTOM ADAPTATION PURPOSE: To enable an individual who has had a stroke and lost use of one arm to operate the zoom lens of a camera while holding the camera in position to look through the viewfinder. The solution was to make a nylon gear with serrations that match those on the zoom lens, and two ball bearings to enable it to move freely. This is held in position against the zoom by a brass plate formed to clear the camera’s other functions and fixed to the tripod mount on the bottom of the camera with a knurled aluminum knob. The user can hold the camera in one hand and simultaneously roll the fingers of that hand across the gear to move the zoom lens in or out. TITLE: Still Zooming. JOURNAL: TAD Journal. REF: Volume 25, Number 4, Summer 2005. PAGES: 16. Number of pages: 2 (including cover).
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