It's essentially the "blinky feature" before you take the photo. With an electronic viewfinder reading off the sensor you can get blowout information...
Anyone know if Highlight Display (zebra stripes) are available in still mode on any of the mirrorless cameras, or their 'ii' alternatives? Seems like...
I have just retired after more than 20 years in manufacturing animal feed, now just trying to get back into DSLR photography after 20 years of a point and shoot