On some Apple products, including the M4 iMac, M4 iPad Pro, and Studio Display a feature called nano-texture glass is available. This is something that was first introduced on the incredibly expensive Pro Display XDR, before coming to other Apple products beginning with the now-discontinued 27-inch iMac. So, what is it, and should you spend hundreds more to have it adorn your screen?
What is Nano-texture glass?
Glare is often a problem in brightly lit offices and homes, which can render the large, glossy displays little more than hugely elaborate mirrors. One way to combat this is through matte displays. Opting for the new nano-texture glass will drastically reduce glare while avoiding the frostiness and washed-out colors that are often the compromise made when opting for a matte finish.
Read more at Macworld.com