telescopic
UK: ˌtelɪˈskɒpɪk | US: ˌtelɪˈskɑːpɪk
adj. relating to or made with a telescope
adj. capable of seeing or magnifying distant objects
adj. having parts that slide or extend, like a telescope
telescopic = tele<far> + scop<see> + ic<adjective suffix>
- tele (from Greek tēle, meaning "far")
 - scop (from Greek skopein, meaning "to see" or "to observe")
 - ic (adjective-forming suffix, indicating "relating to")
 
Etymology Origin:
The word telescopic combines tele- (far) and -scope (seeing), reflecting its function of observing distant objects. The suffix -ic turns it into an adjective. The term emerged in the early 17th century alongside the invention of the telescope, blending Greek roots to describe the instrument's purpose and later extending metaphorically to things that extend or slide like a telescope.
The telescopic lens allowed astronomers to observe distant galaxies.
The tripod has telescopic legs for adjustable height.
His telescopic vision made him an excellent birdwatcher.
The telescopic antenna improves signal reception.
The crane’s telescopic arm can reach over 50 meters.