|Overall Size:||4 in. x 4. in.
(101.6mm x 101.6mm)
Conforms to NIST/NBS 1010A and ANSI/ISO test chart #2; frequency shown in cycles per mm and changes by an average of 12.2% per step.
Read direct resolution; ideal for evaluation of Optical / Mechanical Systems where reduction and low resolution is of interest.
Chrome on OPAL
1 to 18 cy/mm
4 in. x 4 in. – 101.6mm x 101.6mm
NIST/NBS 1010A and ANSI/ISO Chart #2