User manual BUSHNELL BINOCULAR

[. . . ] Your binocular is a precision instrument designed to provide many years of pleasurable viewing. This manual will help you achieve optimum performance by explaining how you can adjust the binocular to your eyes, and how to care for this instrument. [. . . ] Using the "diopter setting" adjustment ring, focus the same object being viewed. Caution should be used as over turning or forcing the diopter eyepiece can cause damage or cause the eyepiecetobreakawayfromthechassis. Focusing for any distance can now be done simply by turning the center focus wheel or pressing the "Insta-Focus®" lever. Make a note of the diopter setting for your eyes for future reference. This will reduce or eliminate the need for focus readjustment when zooming between high and low powers. Adjust your binocular for individual eye strength using the "diopter setting" as outlined in theinstructionsfor"CenterFocus/Insta-Focus. You may now "zoom" to any power andthesubjectwillstayinfocus. PERMA FOCUS® / INSTAVISION® Your Bushnell binocular may be designed and built with a revolutionary focus-free optical system. Bushnell waterproof models are O-ring sealed for complete moisture protection. fogproof protection is achieved from dry nitrogen purging that removes all internal moisture. [. . . ] For a more thorough cleaning, photographic lens tissue and photographic-type lens cleaning fluid or isopropyl alcohol may be used. Always apply the fluid to the cleaning cloth ­ never directly on the lens. [. . . ]