High zoom ratio optical sighting device

Details High zoom ratio optical sighting device High zoom ratio optical sighting device

2011-05-17

2011-05-17

Consilvio, Mark (Department: 2872)

Optical: systems and elements

Compound lens system

Telescope

C042S119000, C359S432000

Reexamination Certificate

active

07944611

ABSTRACT:
An optical sighting device having a compound zoom system preferably includes two or more lens erector assemblies that are each adjustable to modify the optical power of the optical sighting device. A prism erector assembly may also be included. An odd number of erector assemblies preferably creates a viewable image that has the same orientation as the real object being viewed through the optical sighting device.

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