APPENDIX D 



FILTER FACTORS 



Table I. — Filter Factors for Wratten Filters and Eastman Films 



Ordinahy Materials 

 Process films and plates 

 Commercial film 

 X-Ray film 

 Safety Positive film 

 Sound Recording film 

 Eastman 33 plates 

 Eastman 40 plates 

 Eastman Universal plates 

 Eastman Post Card plates 

 Eastman Lantern Slide plates 



Orthochromatic Materials! 

 Super Speed Portrait Ortho (AH) 

 Ortho Press film 

 Verichrome 



Wratten Metallographic plates 

 Polychrome plates 

 Ortho Press plates 

 Par Speed Portrait sheet film 

 Commercial Ortho sheet film 

 Super Ortho-Press sheet film 

 Commercial Ortho plates 

 S. C. Ortho plates 

 D. C. Ortho plates 

 Eastman 50 plates 



Pan a 

 Commercial Panchromatic film 

 Process Panchromatic film 

 Recordak film 



Pan B 

 Portrait Panchromatic film 

 Micro-file Panchromatic Safety film 

 Super XX 35-mm. and Bantam films 

 Panatomic X roll films and film packs 

 Panatomic X sheet film 



Super XX Panchromatic sheet film 



Super XX Panchromatic Negative 16-mm. Safety 



film 

 Wratten Tricolor Panchromatic plates 

 Wratten Panchromatic plates 

 Wratten Process Panchromatic plates 

 Wratten M plates 



Wratten Contrast Thin Coated plates 

 Panatomic X 

 PlusX 



P.^N C 



SS Pan sheet film 



SS Pan Aero film 



SS Pan Cine Negative film 



Panatomic X Aero film 



Super XX Panchromatic Aero film 



Panatomic Bantam film 



Super X Cine Negative Panchromatic film 



Super XX Panchromatic roll films and film packs 



Super Panchro-Press sheet film 



Tri X Panchromatic sheet film 



Cine Kodak 8 Panchromatic film 



Cine Kodak Panchromatic Negative film 



Cine-Kodak Safety film 



Cine-Kodak Super X Panchromatic Safety film 



Cine-Kodak Super XX Panchromatic Safety film 



Cine-Kodak Eight Super X Panchromatic Safety 



film 

 Background Panchromatic Motion Pciture Nega- 

 tive film 

 Plus X Panchromatic Motion Picture Negative 



film 

 Super XX Panchromatic Motion Picture Nega- 

 tive film 

 Background Cine Negative Panchromatic 

 Fine Grain Duplicating Negative Panchromatic 

 Panchro Press film 



1 Filter factors for orthochromatic materials not listed will vary only slightly from those given 

 for the above films and plates. 



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