Product introduction：
YJT821 binoculars with full optical glass mirror, eyepiece plated with multi-layer translucent blue film, objective lens plated with multi-layer translucent green film, clear imaging, wide and bright field of view. Using the central focus mode to adjust the focal length, the right mirror has a snap adjustment circle, accurate positioning; using new biodegradable cast rubber, humanized non-slip convex design, feel excellent; can be adjusted with the mirror pupil distance, wear glasses friends can also use. Can be used for travel and tourism, large concerts, ball games, horse racing, hunting and target shooting and student teaching, ergonomic waterproof skin, so you can use more at ease. Lightweight and portable, easy to go out, clear and true imaging.
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Specification
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8X21
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Brand
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Outlook
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Magnification (X)
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8
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Objective diameter（mm）
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21
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Pupil diameter (mm)
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3
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Distance of exit pupil (mm)
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10.5
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Field of view
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7°(131m/1000m)
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Nearest Focusing Distance (m)
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3
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Focusing system
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Central focus
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Prism category
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Porro Prism
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Prism Material
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K9
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Eye-pitch adjustment (mm)
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55~72
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Material
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Aluminum alloy
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Net weight (g)
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180g
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Size (mm)
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91x60x40
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