TECHNICAL INFORMATION DELTA 400 PROFESSIONAL
ILF Page 2 o A d j u s t e x p r e t i m e 75 (s e c) e d 25 o s 50 u 100 DELTA 400 PROFESSIONAL MAKING LONG EXPOSURES For exposures between 1/2 and 1/10 000 second, no adjustments are needed for reciprocity law failure. When exposures longer ......