eyepiece commander's periscope, inside submarine

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Size: 2336px × 3456px
Photo credit: © Ivashutin Sergey / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: boat, command, control, deep, eyepiece, focus, glass, history, lens, magnify, maritime, military, navigation, navy, observe, ocean, optical, optics, periscope, post, sea, search, ship, spy, submarine, surveillance, underwater, vintage, war, warship, weapon