Product Description Hitachi's 21" flat-faced monitor utilizes Hitachi's Editors' Choice award-winning ErgoFlat technology. The CM821F features a flat-faced screen for significantly reduced glare and more realistic, vibrant images. Hitachi's ErgoFlat technology is 10% brighter than most competitive products and has significantly better convergence than competitive aperture grill models. The CM821F features high resolutions and refresh rates to satisfy even the most demanding Imaging, CAD/CAM and business professional while saving space with a reduced depth of only 47.5 cm.