This is a correct use of English.
You could use it in either a spoken or written context. For example, "The meeting was chaotic - everyone seemed to have no focus."
Two years later Meatyard began his No-Focus photographs, a short series that, as their title suggests, have no focus but instead are abstract compositions of light and dark forms.
Many other businesses do great work in all of these categories, but often don't get the reputational credit they deserve because they have no focus or common thread to bring together their activities.
Here every element is poorly thought out, from the vague, cavernous set, the sound design (which includes the singing of field hands off stage for a tacky, Song Of The South touch) and actors who by and large have no focus or purpose.
As the search terms only focused on the terms synonymously related to the term "smartphone" and included the MeSH term "computers, handheld"[MeSH Terms], the search result included many articles that have no focus on application programs of smartphones but used smartphones for other purposes, or used handheld computer devices than smartphones or their predecessors, PDAs.
If you either have no focusing ring, or a manual/auto focus switch on either the lens or the camera, then you probably have an autofocus camera.
She wrote that her son Tim, nine, "seems to not like himself and has no focus.
"Episode 31," by the Swedish choreographer Alexander Ekman, had no focus to lose.
CURRENTLY, the six-sided lobby with its bank of artificial plants and two entrances "has no focus," he said.
These days I prefer a brand of feminism that itself has no focus on brand or on images.
