Sensors, cameras, and fiber optics are replacing lenses, mirrors, and prisms. The US Navy’s most advanced Virginia- class submarines have switched to high-tech photonics masts in place of their periscopes.Ī new type of periscope has been developed for navy submarines in the United States and the United Kingdom. Submarine vision has evolved from periscopes with lenses, mirrors, and prisms to sophisticated electro-optical instruments based on sensors, lasers, and fiber optics. It allowed them to conduct reconnaissance missions without risking the submarine and its crew. Despite its limitations, the parascope was a valuable tool for submarine crews during World War II. Second, it could only be used during daylight hours. First, it had a limited field of view and was difficult to use in rough seas. Despite these advantages, the parascope had several drawbacks. Second, it could be used without exposing the submarine to enemy fire. First, it was much smaller and could be easily hidden. The parascope had several advantages over the periscope. The parascope was a small, hand-held telescope that allowed the submarine crew to see above the water without using the periscope. To get around this, submarine crews began using a device called a parascope. But the periscope had a fatal flaw: it could be seen by the enemy, making the submarine vulnerable to counterattack. During World War II, a submarine’s periscope was one of its most valuable weapons, used to spot enemy ships and target them for attack.
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