Tech Optics Acuity/Contrast Chart
Pack of 25
Text sizes From 8.0 M (64 pt) to 0.375 M (3 pt)
Contrasts 100%, 75%, 50%, 25%, 10%, 5%
This card is professionally printed on card paper, folded, and stored in a 6 x 9 envelope to preserve the integrity of the print until you're ready to open and use it.
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