Astronomy Tools And Equipment

noun a tube or optical instrument with mirrors and lenses for viewing objects that are not in the direct line of sight

• The submarine captain used the periscope to scan the surface of the water for any potential threats.
• I love using the periscope on the boat to see what's happening around us.
• Check out this cool periscope on the ship, it's like having eyes underwater!
• His periscope-like ability to see through people's true intentions always amazed me.

noun a slang term for binoculars, typically used in military or hunting contexts

• The BINO system is designed to enhance security measures in the building.
• I can't believe they installed a BINO system in the office, it's so high-tech!
• Let's sneak into the party using the BINO entrance, no one will notice.
• She always wears those BINO glasses, she never sees the truth.