Brochure

thirty two
Transmission Absorption Chromaticity Co-ordinates
Y% x y
Mired Shift
Tungsten Light Conversion
Daylight Conversion
Neutral Density
Double C.T.B.
CONVERSION
Kelvin
200
201
281
202
203
218
Full C.T.B.
Threequarters C.T.B.
Half C.T.B
Quarter C.T.B.
Eighth C.T.B.
Converts Tungsten to Daylight
Converts Tungsten to
Photographic Daylight
Converts Tungsten to Daylight
Converts Tungsten to Daylight
Converts Tungsten to Daylight
Converts Tungsten to Daylight
16.2
34.0
45.5
54.9
69.2
81.3
-274
-137
-112
-78
-35
-18
3200K to
26000K
approx
3200K to
5700K
3200K to
5000K
3200K to
4300K
3200K to
3600K
3200K to
3400K
0.79
0.47
0.35
0.26
0.16
0.09
0.179
0.228
0.239
0.261
0.285
0.299
0.155
0.233
0.258
0.273
0.294
0.307
204
285
205
206
223
Full C.T.O
Threequarters
C.T.O.
Half C.T.O.
Quarter C.T.O.
Eighth C.T.O.
Converts Daylight to Tungsten
Light
Converts Daylight to Tungsten
Light
Converts Daylight to Tungsten
Light
Converts Daylight to Tungsten
Light
Converts Daylight to Tungsten
Light
55.4
61.3
70.8
79.1
85.2
+159
+124
+109
+64
+26
6500K to
3200K
6500K to
3600K
6500K to
3800K
6500K to
4600K
6500K to
5550K
0.26
0.21
0.15
0.10
0.07
0.437
0.400
0.374
0.346
0.328
0.392
0.387
0.364
0.346
0.332
442 Half C.T. Straw
Converts Daylight to Tungsten
Light with yellow bias
71.2+81
6500K to
4300K
0.15 0.370 0.378
443 Quarter C.T. Straw
Converts Daylight to Tungsten
Light with yellow bias
79.8+42
6500K to
5100K
0.10 0.338 0.349
444 Eighth C.T. Straw
Converts Daylight to Tungsten
Light with yellow bias
83.1+20
+159
+159
6500K to
5700K
0.08 0.323 0.332
441 Full C.T. Straw
Converts Daylight to Tungsten
Light with yellow bias
57.3+160
6500K to
3200K
0.24 0.426 0.407
207
208
Full C.T.O. +.3ND
Full C.T.O. +.6ND
Converts Daylight to Tungsten
and reduces light 1 Stop
Converts Daylight to Tungsten
and reduces light 2 Stops
32.5
15.6
0.49
0.81
0.435
0.442
0.386
0.394
6500K to
3200K
6500K to
3200K
298
209
210
211
299
.15ND
.3ND
.6ND
.9ND
1.2ND
Reduces light
1
/2 Stop, without changing colour
Reduces light 1 Stop, without changing colour
Reduces light 2 Stops, without changing colour
Reduces light 3 Stops, without changing colour
Reduces light 4 Stops, without changing colour
69.3
51.2
23.5
13.7
6.6
0.16
0.29
0.63
0.86
1.18
0.311
0.310
0.308
0.310
0.308
0.319
0.319
0.317
0.322
0.315
DESCRIPTIONPRODUCT
Polariser
239 Polariser
<.05
>3
>10
+12.9
50.0
0.3
1
38.0
0.42
1
1
/3
single
sheet
Axis Uncrossed
(double sheet)
Axis crossed
(double sheet)
Made from 0.006” (150 micron) Triacetate.
Reduces glare and reflection. Use with Lee
Polarising Camera Filter.