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A periscope is an instrument for observation over, ... As of 2009 modern submarine periscopes incorporate lenses for magnification and function as telescopes.
Schematic of a conventional and a periscope zoom lens A smartphone with a 5x optical zoom periscope lens camera, recognizable by the rectangular shape of its lens. A periscope lens, sometimes called a folded lens, is a mechanical assembly of lens elements that uses a prism or mirror to redirect the light through the lenses with a 90° angle to the optical axis, as in a periscope.
Combining a number of mirrors, prisms, and lenses produces compound optical instruments which have practical uses. For example, a periscope is simply two plane mirrors aligned to allow for viewing around obstructions. The most famous compound optical instruments in science are the microscope and the telescope which were both invented by the ...
If you've been having trouble with any of the connections or words in Friday's puzzle, you're not alone and these hints should definitely help you out. Plus, I'll reveal the answers further down ...
Periscope was an American live video streaming app for Android and iOS developed by Kayvon Beykpour and Joe Bernstein and acquired by Twitter, Inc. before its launch in March 2015. The service was discontinued on 31 March 2021 due to declining usage, product realignment, and high maintenance costs.
NAD+ supplements, IV drips, and injections have gained a lot of traction on social media due to their supposed anti-aging benefits. Here, doctors reveals the truth behind the trend.
On Jan. 14, the former first lady's office confirmed to PEOPLE that she would not join her husband, former President Barack Obama, at Trump's inauguration.. Days earlier, she also missed former ...
A photonics mast aboard a Virginia-class submarine. A photonics mast (or optronics mast [1]) is a sensor on a submarine which functions similarly to a periscope without requiring a periscope tube, thus freeing design space during construction and limiting risks of water leakage in the event of damage.