What's resolution test card?
Vertical Resolution bar (VerticalRes) - Can be visually check lens resolution for the vertical image
Contrast Indicator - Used to display the contrast status at different spatial frequencies
Diagonal Resolution bar (DiagonalRes) - 45 degree tilt of the diagonal resolution force
Center Focusing Area - Two concentric circles of different frequencies to help focus
Horizontal Resolution bar (HorizontalRes) - Can be visually check lens resolution for the horizontal image.