Binoculars or field glasses are a great help when we want to see what birds are doing.
He could make out three men in a basket under it and one of them was holding field glasses.
A van and a lorry were parked there. The occupants were watching through field glasses. They must have seen the whole thing.
The youngster had an excellent collection of field glasses and telescopes, and these he would train on the town, watching people.
