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- informations concerning technical data of Bausch & Lomb DISCOVERER 78-1600
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- safety signs and mark certificates which confirm compatibility with appropriate standards
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Table of contents for the manual
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Page 1
Discoverer ® 15-60x60 Zoom Spotting Scope Welcome to a world of adventure with your new Bausch & L o m b ® D i s c o v e r e r ® Zoom Spotting Scope. The nature student and sportsman who takes pride in optical quality can make no better choice than the Discoverer Zoom 15x-60x Spotting Scope. The Discoverer is one of the optically finest, mos[...]
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Page 2
CHANGING POWER To change magnification, rotate the Zoom Power Change Ring to the desired power as indicated by the white engraved scale. As you zoom from low power to high power under low light conditions, you may notice a decrease in image brightness. This is normal. All magnifying optical instruments show a decrease in image brightness as magnifi[...]
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Page 3
CAMERAS REQUIRING EXTERNAL METERING DEVISES Set the light meter’s ISO index to the rating of the film being used. Select the magnification and not f/stop as explained above. If, as in many cases the smallest f/stop shown on your light meter is f/45 and you need a reading for f/56 or f/64, refer to the Light Extension Scale or increase the ISO set[...]