»hotographed, 
all the details. 
their different 
ckness in the 
ce in the tone 
perceptibility. 
negative may 
$ print. The 
ich and every 
ual exaggera- 
oo 
t a boundary 
lens; 
rt, filter, and 
lens aperture; 
ra; 
sed; 
of the photo- 
transluscence; 
‚and time of 
fraction, may 
tigated. The 
to be tested, 
d and image 
sharpness and 
“B”. contrast 
ducted at the 
ss of Photo- 
mm obtained 
| a maximum 
ensity of. 2.0. 
ind on Ilford 
ts are shown 
decrease in 
interesting to 
im resolution 
‚Verse. 
KODAK SUPER XX 
  
  
  
  
KODAK PLUS X 
D-76 
  
  
  
| 2 
LOG REL. EXPOSURE 
ILFORD HR. 
D-76 
  
  
3l ID-68 31 
2+ 2 
E E 
T = 
i = 
Li 
o a 
| i 
9 s O 
LOG REL. EXPOSURE 
| ILFORD H.R. 
| ID-19 x 
31 nis 37 
| I9-. NS 
22/ 0 
| 24 / ; ION 
| 277 5 
| > > | 
| / e rrp 
21 / 
| 3o / x. eu | 
| A | 
| i | 
> | / Tr | 
E | lines/ / 3 = | 
v | mm, / Án A. 
Z | ( zZ | 
u | 7. ul | 
à | ; 7 O 
| 34/ 7 áo d 
|4 Oo | 
5 78 T = 
; ^ae x 
se. ua 
24 == 
A 
= i + 
o 2 3 O 
| 
LOG REL. EXPOSURE 
Fig. 1 
Resolving Power 
(From contact-printed low-contrast targets under a step wedge) 
3 
| 
LOG REL. EXPOSURE