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GB1147811A
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Mounted optical component and process for mounting same
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GB1098017A
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Episcopic scanner
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GB958477A
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A reflecting device
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GB930328A
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Photographic objectives
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GB889884A
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Objectives with axially movable optical components
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GB889965A
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A photographic objective with a light meter attached to it
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GB869847A
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A photographic objective and mount
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GB863565A
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Afocal attachments for optical objectives
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GB862733A
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An adapter for the attachment of lens accessories
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GB880623A
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Lubrication of the depth of field in photographic objectives
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GB845951A
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A device on photographic objectives for indicating the depth of field
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GB833955A
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An objective diaphragm comprising a plurality of pivotally fulcrumed segments deflectable by a slotted control ring
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GB861873A
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Photographic objectives
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GB818807A
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A wide aperture tele-photo-lens
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GB824049A
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A device for pre-selecting the diaphragm in photographic lenses and/or cameras
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GB823822A
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A photographic lens mount provided with a diaphragm adjusting device
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GB820671A
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Means on photographic and cinematographic fixed focus objectives for indicating the depth of field
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GB821276A
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A device for automatically indicating the depth of field of photographic objectives
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GB804517A
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A focusing lens mount provided with a depth of field indicator
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GB797634A
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An improved photographic objective system with replaceable components
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