The phrase "a sort of light" is correct and usable in written English.
It can be used to describe something that resembles or has qualities of light, often in a metaphorical or vague sense.
Example: "As the sun began to set, there was a sort of light that filled the room, casting a warm glow on everything."
Alternatives: "a kind of light" or "a type of light".
This makes the voorwerp a sort of light echo but on a massive scale.
Rhys winches on his helmet, waves a sort of light sabre, and the volume is ratcheted up.
For starters, it was all an accident, you cut the right branch and a sort of light woke up underneath, and the inedible fruit grew dark and needy.
Also, the book as I originally imagined it was going to be very different: I had planned a sort of light collection of comic essays about travel and being abroad, not all necessarily from this time.
His summertime amuse-bouche — a teaspoon of crabmeat hidden under a sort of light gazpacho aspic, covered by a dollop of avocado — packs in more distinct flavors than you'll find in most tasting menus.
In the autumn term, it was always cold, and there was a sort of light fog, and I was late for class, and there was some figure that must have been a shadow.
Combined, they provided all of the wordplay and the definition, and the answer seemed quite appropriate - a sort of light-bulb moment.
It deals with midlife crisis, and adultery, and divorce, and alcoholism, and mental illness, P.T.S.D, suicide, war — and yet it's a sort of light-hearted story, and there's something incredibly perky about the narrator's attitude.
So he rules through the force of his personality, through his moral authority, through the weakness of his rivals and through a sort of light-hearted bullying in which he pummels potential challengers with jokes, insults and impulsive personnel changes.
Visitors who enter the gallery from Istiklal Caddesi walk through this chronological maze of x-ray prints, a sort of light-box labyrinth, that lays out traumatic images from Turkish political history, including public protests, the killing of journalists and scenes of violence that followed the 1980 military coup.
By Tuesday night, when the Philadelphia Orchestra arrived for its concert, a sort of lighting had been achieved that left the front ranks of that admirable ensemble in darkness while aiming a good deal of the light at the back-yard fence.
