^ 
5 
» 
z 
L 
b 
  
Fig.1 The R_METRIKA consisting of camera body with lens and film magazine, 
rotation ring with flash, power supply unit, and control panel 
Central Range Magazine Film, 
shutter setting locking | magazine 
\ 
\ device | 
LED's for réseau Camera Réseau Data 
pre - illumination body plate back 
  
Fig.2 Design and features of the R METRIKA 
20 
   
   
The mathe: 
reconstruct 
perfect plai 
the photog 
assured at 
achieved m 
plate or nu 
(Wester-Eb 
deformatios: 
result of 
conditions. 
The geome 
deformatiot 
equipped w 
a glass pla 
front of the 
the film by 
object. The 
compared v 
on the gi 
influence of 
meshwise n 
the réseau 
higher will 
deformation 
Crosses are 
point. An 
advisable. 
Réseau can 
Table 1. 
The Linhof 
built, comp: 
applications 
format rem 
réseau plat 
forming a ri 
stops on the 
(calibrated) 
Film flatten 
system insta 
technique. 
approximat: 
about 50 ex]