The phrase "focus lens" means paying special attention or directing your thoughts towards a specific topic or task. It's like using a magnifying glass to look closely at something important.
Sentences with «focus lens»
It has two 4K fixed focus lenses on either side of its camera body. (realtormag.realtor.org)
The rear camera sensor has an auto - focus lens with f / 2.0 aperture. (techone3.in)
There's a similar line of thinking in the entertainment world — using soft focus lenses when women are filmed, for instance. (gonintendo.com)