USAF測試圖
USAF Test Charts
R70
USAF Resolution Test Chart, Positive Image, Group 0 Element 1 to Group 7 Element 6

R71
USAF Resolution Test Chart, Positive Image, Group -2 Element 1 to Group 7 Element 6

R74
USAF Thermal Imaging Resolution Test Chart, Negative Image, Group -2 Element 1 to Group 4 Element 6.

R75P
USAF Resolution Test Chart, Positive Image, Group 0 Element 1 to Group 9 Element 3

R75N
USAF Resolution Test Chart, Negative Image, Group 0 Element 1 to Group 9 Element 3
PS75P
Microscope Slide with USAF Resolution Test Chart, Positive Image, Group 2 Element 1 to Group 9 Element 3

PS75N
Microscope Slide with USAF Resolution Test Chart, Negative Image, Group 2 Element 1 to Group 9 Element 3