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Set interpupillary distance by bending body until a single circular image is seen.
Adjust eyepieces for sharp and clear image, noting diopter index marks for later use.
Eyecups fold down for use with eyeglasses, promoting comfort and ease of viewing.
Use reticle scale and calculator dial to find distance when object size is known.
Use reticle scale and calculator dial to find object size when distance is known.
Hold binocular steady, note compass reading under central index line for magnetic direction.
Explains using compass and rangefinding scales for navigation with nautical examples.
Instructions for replacing batteries in the compass illuminator using specific battery types.
Attaching a tripod adapter to the binocular hinge socket for stability.
Guidelines on cleaning, storage, and handling to maintain binocular condition.
Warnings against internal cleaning, disassembly, and direct sun viewing.
General| Brand | Tasco |
|---|---|
| Model | OffShore 21 |
| Category | Binoculars |
| Language | English |
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