The phrase "poor lighting" means that the lighting in a place or situation is not very good, usually being too dim, insufficient, or inadequate. Full definition
Its specially processed camera image is bright even in poor lighting conditions, with good contrast and no glare. (greencarcongress.com)
With a bigger sensor like the one mentioned, it will mean more light is captured even when in poor lighting conditions — hence quality photos. (nashvillechatterclass.com)
I wanted to be able to read in any kind of lighting, since I might be in a hospital room with poor lighting. (turbofuture.com)