Kodak Filter
			No. 81B
nm	T%	nm	T%	nm	T%	nm	T%
400	55.1	500	72.6	600	79.1	700	88.0
410	55.8	510	72.9	610	81.0
420	57.7	520	73.2	620	83.1
430	61.0	530	74.5	630	84.2
440	64.5	540	76.0	640	85.1
450	67.2	550	77.0	650	85.6
460	69.1	560	77.6	660	86.0
470	70.6	570	77.8	670	86.5
480	71.3	580	78.0	680	87.0
490	71.8	590	78.2	690	87.5
Data Source: Kodak Photographic Filters Handbook, copyright Eastman Kodak
Company, 1990
The numerical data is provided as general information and may be subject to either
subsequent changes or to clerical errors. Please verify the information for
accuracy before relying on it.
Copyright pending 2008: Newport Industrial Glass, Inc.