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

The astronomer attached a telescopical lens to the camera to capture distant galaxies.

The telescopers on the camera crane were adjusted carefully to get the perfect shot.

Several radio telescopes detected a faint signal from a distant galaxy last night.

At the mountain observatory, the engineers calibrated three Nasmyth telescopes before tonight's observations.

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

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

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.

At the star party, several amateur astronomers compared the mirrors of their Newtonian telescopes under the clear sky.