Considered in relation to the Philosophy of Binocular Vision.
A field glass or a Bausch & Lomb binocular is really a necessity.
The Captain applied his binocular telescope to his eyes as he spoke.
Poole re-focussed the binocular, but it was some moments before he spoke.
It was like seven binocular glasses rolled into one telescope.
In addition, I promised to send them a binocular from Germany.
“There is one like it on the Marjorie,” said Jim, who was using the binocular.
The binocular was handed at once, and after a great deal of focussing, handed back.
Binocular disparity and convergence are the primary factors.
The painter cannot imitate focal perspective or binocular perspective.