Why should you turn off the Sharpness feature on smart TVs?

The Sharpness feature on smart TVs doesn’t actually increase sharpness, in fact, it can lose some detail.
Surely each of us when buying a smart TV also spends a few minutes to check the Settings section of the device. Many people often think that activating the Sharpness feature will help sharper, more beautiful images.

Customize sharpness parameters on smart TVs. Photo: Lifewire However, the reality is not so, on most smart TVs today, the Sharpness feature only has the effect of “edge enhancement” (simply speaking, expanding the border), and this can reduce some small details on the picture. That’s why you should reduce the Sharpness parameter to less than 20% or less (possibly 0). On the left is the original image, and on the right is the Sharpness enhanced image. It’s not hard to notice that the image on the right has some extra halos around the subjects, which is what the Sharpness feature brings. Normal image and Sharpness boosted image. Photo: CNET This basically makes objects easier to see, but they also make other areas grainy. In fact, the image that has not been sharpened will be softer, helping you to see small textures on the walls, facial pores, etc. Note, if you are using a 4K TV, users will not be able to receive it. See the difference when increasing and decreasing the Sharpness parameter. In short, to get the best visual experience when watching TV, the easiest way is to switch to Movie mode, or you can tweak the Sharpness parameter to 0-20%.