Understanding Motion Blur & Ghosting
What is Ghosting?
Ghosting is a visual artifact where a moving object leaves a trail of fading copies behind it. This happens when your monitor's pixels can't change color fast enough to keep up with the moving image. It's common on VA panels and older IPS screens.
Response Time (GtG)
Gray-to-Gray (GtG) measures how long it takes a pixel to change from one shade of gray to another. A lower number (e.g., 1ms) is better. If the response time is slower than the refresh rate window, you get blur.
Persistência de Movimento (MPRT)
O Tempo de resposta de imagem em movimento (MPRT) mede quanto tempo um pixel permanece visível na tela. MPRT alto causa desfoque de movimento mesmo se o GtG for rápido. Técnicas como Backlight Strobing (BFI) reduzem o MPRT para criar clareza semelhante à do CRT.
How to Interpret This Test
Sharp Image: If you can clearly see the details of the moving UFO/text, your monitor has excellent motion clarity.
Blurry Trail: A long trail behind the object indicates slow pixel response times.
Inverse Ghosting (Corona): If you see a bright/white halo around the moving object, your monitor's "Overdrive" setting is too high. Try lowering it in your monitor's OSD menu.