People can look at the Sun if they use special lenses that make it safe.

I use fast prime lenses like the 351.4 and the 50 1.2.

If using lenses, you may have to allow for energy lost in the lens.

Remember that the portion of the lens used for reading must be at exactly the right position.

It is only the second planet found using telephoto lenses.

It is thought that the tiny detail of pieces such as these can only have been achieved using lenses.

All of these conditions can be corrected using corrective lenses.

Reports exist of people receiving "Err99" errors when using such lenses.

Astronomers face similar problems, particularly with telescopes that use lenses rather than mirrors.

According to some critics who recognized the technical skills and special lenses used for the film, "every scene could have been a painting".