He attached a new reflector to his bicycle.

The speculum of this bird has a very beautiful color.

He was observing the stars with a telescope.

The bird called Ruanjing that appears in Chinese mythology is known for its beautiful appearance.

He conducted an experiment using a spherical lens.

This Tang mirror is a gift from China.

He read the small print using a magnifying glass.

He is good at reading mirror writing.

His behavior is like a mirror image of his father.

I use a microscope for biology experiments.