| re ELECTROLUMINESCENT PANEL 
     
   
  
es 
  
  
  
  
| Î Am 
| 
A 
s 
A, Ls 
FIGURE 3. Elements of the CRC-1 Lr i 
Reseau Platen. A : : ? : 2 EN 
A. Individual reseau projector. . : : . : : . 
B. Projectors mounted in pluten. 
C. Image of projected reticle on film. * : : } : : : 
38 mm 
D. Distribution of reseau images over : + . Y . . . 
photographio format. 
NG : ; : ; I n 
D. 
  
  
  
  
  
  
  
  
  
  
FIGURE 4. Contour map of departures of 
surface of platen from best fitting plane 
over format of CRC-1 (contour interval = lum). 
RMS value of departures is 1.35um and maxi- 
mum positive and negative departures are 
2.4um and -3.8um, respectively.