fogging

The damp air was fogging the lenses, but I kept them to my eyes; for I did not want to look at Davies.

He wasn't a man to follow problems to a conclusion, however, and it simply hung in his mind as a fogging event.

Photographers must know that fogging and blurring the image is curtailing the experience of it.

He is none the less magic because he works through one great spell, and not through a host of minor, petti-fogging miracles.