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Micro Multi Slide Dot Pattern and Checkerboard chart

A 100mm (4\") square glass slide lithographically produced with low-density chrome at a 10:1 contrast ratio.
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Detail information

Checkerboard Charts

Zone

Square Size

Dimensions

Distortion Crossing Points HxV

Low

4.000 mm

54.2 x 40.0 mm

13 x 9

Medium

2.000 mm

27.2 x 23.3 mm

13 x 11

High

1.000 mm

27.2 x 16 mm

27 x 16

 

Dot Pattern Charts

Zone

Dot Spacing

Dot Diameter

Dimensions

Dots HxV

Low

2.000 mm

0.640 mm

54.2 x 40.0 mm

27 X 20

Medium

1.000 mm

0.320 mm

27.2 x 23.3 mm

27 X 24

High

0.500 mm

0.160 mm

27.2 x 16 mm

32 x 53

 

Testing Images With Imatest

For an example of a macro lens test with this target, see Testing a macro lens using Checkerboard and Micro Multi-slide.

Using Imatest 4.5, the checkerboard region can be analyzed using the Checkerboard module. The dot pattern analysis module has been available since 2011 Release 3.8.

For older versions of Imatest, you can use the distortion module to calculate distortion from the checkerboard, but this is not as resistant to fisheye distortion as what is available with the Checkerboardmodule of Imatest 4.5.

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