8 July 2026
CCTV image quality — why cheap cameras cost more
Resolution, low-light performance and lens choice explain why the same site looks unusable on one system and evidential on another.
A CCTV system is only as useful as the footage it produces on the worst night of the year. We break down the specs that actually matter — sensor size, low-light rating, WDR, and lens focal length — and show how the right IP camera at the right height turns a blurry silhouette into evidential-grade footage that stands up in court.
