Figure 4. Best root mean square difference fit normalized curves for 30/36 cm, 25 cm and 15/17 cm versus apparent detail size. 
=Normalized F33 to F25; 
=F25, FAXIL Data (F25, 1992); 
=Normalized F16 to F25.
Figure 4. Best root mean square difference fit normalized curves for 30/36 cm, 25 cm and 15/17 cm versus apparent detail size. =Normalized F33 to F25; =F25, FAXIL Data (F25, 1992); =Normalized F16 to F25.