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产品简介
详细介绍
TE268 25x
Lens Resolution Test Chart
The TE268 is designed for resolution and
sharpness measurements. 25 sinusoidal
modulated Siemens stars, 16 slanted edges
at four different contrasts, four colored dead
leaves structures and rope structure images
are placed on the chart. A very detailed
analysis over nine different image heights
is possible with this chart. The chart has an
aspect ratio of 4:3 (image size of 810x1080
mm) or 3:2 (image size of 810x1215 mm).
It is suitable for systems from 2 MP up to
180 MP.