Tables 370 and 371 

 TABLE 370. — Resolving Power, Sharpness, and Astro Gamma 



343 



Material 



Motion picture film extra fast 



Motion picture film normal 



Motion picture film panchromatic 



Motion picture film positive 



Portrait extra fast 



Portrait normal 



Amateur film 



"Focal plane" plate , 



Commercial ordinary 



Commercial orthochromatic 



Commercial panchromatic 



Process ordinary 



Process panchromatic 



Lantern slide plate 



Resolving 

 Power 



50 



55 

 50 

 80 

 50 

 60 

 65 

 55 

 65 

 65 

 60 

 90 



75 

 100 



Sharpness 



O.080 

 .085 

 .080 

 .120 

 .065 

 .070 

 .090 

 .080 

 .092 

 .097 

 .085 

 .130 

 .110 

 .140 



Astro 

 gamma 



35 

 35 

 35 

 25 

 40 



50 

 40 



45 

 35 

 40 



37 

 25 

 30 

 20 



TABLE 371.- 



-Spectrographs Showing Relative Spectrum Sensitivity of Various Plates 

 and Films 



Ordinary, blue sensitive. 



Orthochromatic, blue 

 and green sensitive. 



Panchromatic. 



Dicyanine sensitized. 



Kryptocyanine sensitized. 



Neocyanine sensitized. 



-■td).i«itX*'ii..i , giiiliiiW'iiu«iCnmi ^BP. 



40 50 60 70 80 SO 



(See following page) 

 Smithsonian Tables 



