RIT Alphanumeric Chart (T-30)

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Overall Size:    4.0 in. x 4.0 in.
     (101.4mm x 101.4mm)
Resolution:    1 to 18 cy/mm
Design:    Alphanumeric features
     in 25 groups repeated
     in 4 rotated quadrants

Alphanumeric configuration with a frequency range of 1-18 cycles/mm in 25 groups repeated in 4 rotated quadrants. The T-30 chart is also available in custom sizes and contrasts values.

Especially useful in Optical / Visual evaluation or where cross consistency among users is important.