Whenever he takes a picture, he always gazes directly at the camera.

It is said that far infrared radiation has a good effect on the human body.

He has problems with executive functioning.

His high-functioning smartphone greatly helps his daily life.

This high-functionality smartphone has many convenient features.

The doctor recommended a blood test to check my liver function.

He is a camera buff, always looking for a new camera.

The charm of his movie is the unique camerawork.

There is a security camera installed in our house.

He ended up being the subject of a candid camera.