The TZ-821, Tracker™ is a compact, 8x21mm binocular. It has multi-coated lenses. The Tracker™ binocular has a center focus knob with an independent right diopter to adjust maximum focusing flexibility for all types of vision.
field of vision 379' at 1,000 yards
| Model Name | Tracker™ |
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| Model Number | TZ-821 |
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| Magnification | 8x |
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| Prism Type | BK-7 |
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| Objective Lens Diameter | 21mm |
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| Lens Coating | Fully Coated |
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| Eye Relief | 10.5mm |
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| Weight | 0.32 lbs |
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| Dimensions | 4.4 in x 1.7 in x 3.3 in |
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| Accessories | Pouch, neck strap and lens cloth |
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