The phrase "focused down" is grammatically correct and commonly used in written English.
It means to narrow one's attention or concentration on something specific or to make something more specific or detailed. Example: The scientist focused down to the cellular level to observe the effects of the new drug. In this sentence, the phrase "focused down" is used to describe the scientist's intense and specific focus on the cellular level.
We focused down on gaming and the question is should we open that back up again?
Barreling ahead, straining at the curves, the group sounded wild but focused, down to the end of the line.
About once a year, the ragged punks along Hollywood Boulevard steal his crutches while his attention is focused down on the brass monuments of stars long forgotten.
At its center Andrea Weber holds a characteristic Cunningham balance on one leg: her torso leans forward, her eyes are focused down, and her other leg is raised behind her as the highest point of her dance shape.
So to Kevin you're saying, 'Give me a Walter Matthau impersonation.'" Annette Bening, on the other hand, "is on her Walkman half-an-hour before the cameras roll, cutting off the set, focused down, listening to music that the character would listen to".
The A−X transition is experimentally found to be saturated at a laser fluence of 1.5 mJ/pulse focused down to a beam waist of 3 mm.
I focus down on the plumbing.
To focus down and find someone like Sergeant Eisch, and to get a story like "The Home Front" out of that, was in itself an accomplishment.
Liu et al. carried the time scale of time-reversed ultrasonically encoded (TRUE) optical focusing down to a few milliseconds [23].
Ray-tracing calculations show that high-performance Kirkpatrick Baez supermirrors can preserve neutron-source brilliance when focusing down to tens of microns and can focus approximately two orders of magnitude greater power into 100 μm than is practical without focusing.
When focusing down, however, the increase in NA leads to higher theoretical resolution and the aberrations become the limiting factor, thereby preventing diffraction-limited performance.
