142 
Spectral bands 
460—505nm, 
515—565 nm 
5S0—690nm spectozonal 
690—890nm film 
635—690nm 
810—900 nm infrared film 
400—700nm colour film 
Resolution on the film of 27 
type with the contrast of the 
test object hx =0,2 
60 1 in/mm 
Technical specifications of the photometrical 
wedge imprinting device 
Wedge width — 
Wedge constant — 
Minimum optical density— 
Wedge image densities 
deviation of standartized 
values — 
6 mm 
0.01mm 
0.1 D un. 
less than 15 V* 
Difference of inter—zones 
wedge image density values — less than 5 
Stability of shutter operation - 0,5 V* 
Deviation of light intensivity 
of the standard light source -less than 1 
% 
%