"Resolution test card", also known as "resolution analysis card" using the international standard ISO12233 resolution card to test, take a unified shooting angle and shooting environment. The resolution is calculated using HYRes software, divided into vertical resolution and horizontal resolution; ISO12233 standard resolution test card complies with the 12233 standard "Photography - Electrophotography - Measuring Methods".

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.