A periscope camera lens is a lens assembly that uses prisms, mirrors, or a combination of them to redirect light before it reaches the camera sensor. In doing so, it magnifies the image more so than ...
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How submarines stay hidden and how they are found
Submarine warfare is a constant battle between concealment and detection. In cold regions like the Arctic, submarines must ...
CENTURION, South Africa, Sept. 12 (UPI) -- The South African subsidiary of Germany's Carl Zeiss Optronics has opened a new facility to manufacture high-quality submarine periscopes. With the new ...
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