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Binocular using collimating mirror to replace porro prisms
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Eccentric close-up lens converting a binocular into a stereomicroscope
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Binocular and spectacle-type mounting assembly therefor
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Method of forming mirrors and mounting them in the shell of a binocular or like viewing instrument
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Binocular with novel arrangement of hinge means between the telescopes thereof
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Mechanism for forming and mounting mirrors in the shell of a binocular or like viewing instrument
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Binocular adapter for a camera having a recessed lens
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Binocular having small size, lightweight, and high performance characteristic
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Binocular with focusing mechanism
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