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Modern binoculars and scopes meet a variety of user needs. This Field Guide provides readers with a concise, organized reference that explains the functions and configurations of instruments commonly used by bird watchers, hunters, amateur astronomers, and military and law-enfor…
Glossary -- Fundamentals -- What are binoculars and scopes? -- How are these instruments used -- Basic optical system parameters -- Instrument size and weight. Pertinent eye parameters -- Structure of the eye -- Pupil size -- Interpupillary distance -- Resolving power -- Accomm…
Modern binoculars and scopes meet a variety of user needs. This Field Guide provides readers with a concise, organized reference that explains the functions and configurations of instruments commonly used by bird watchers, hunters, amateur astronomers, and military and law-enfor…
Modern binoculars and scopes meet a variety of user needs. This Field Guide provides readers with a concise, organized reference that explains the functions and configurations of instruments commonly used by bird watchers, hunters, amateur astronomers, and military and law-enfor…