Over time the ghosting can build up, making the board have a grayish tint instead of its true color.
Washing the chalkboard with water also causes ghosting to develop making it hard to read anything written on the blackboard.The following method is one of the easiest ways to clean chalkboards.
The super multi-layer lens coating reduces flare and ghosting, a common problem with digital cameras.
These suppress flare and ghosting Ã¢ more prone to occur with digital cameras due to reflection off the image sensor.
On the plus side, its images were rock solid, without any ghosting and with only occasional flicker.