The rescue team watched the ladder telescoping slowly upward as the firefighters reached the rooftop.

The scaffolding's telescoping allowed workers to adjust the platform height safely.

The telescopable ladder allowed the workers to adjust its height quickly at the construction site.

The small refracting telescopes in the school observatory provided clear views of the Moon for the students.

The museum's collection of reflecting telescopes attracted amateur astronomers from across the country.

The research team installed three zenith telescopes on the remote plateau to monitor atmospheric turbulence.

The observatory's transit telescopes were used to measure star positions with remarkable precision.

Dialytic telescopes captured an unexpected pattern of polarization in the comet's coma.

Maksutov telescopes are prized by amateur astronomers for their compact size and high-contrast views of the planets.

The new solar telescopes at the mountain observatory captured detailed images of a solar eclipse.