Tiffen Digital Photo Video - Manual (Page 8)

Light Balancing Filters
Color
Corre
Ction
FL-B ® , FL-D ®
Provides correct color, removing harsh green cast
caused by fluorescent bulbs. Use FL-D with daylight film
and FL-B with tungsten film.
❍ Pleasing skintones under fluorescent lighting
without flash.
❍ True-to-life color rendition.
❍ Essential in any environment where ambient
light source is fluorescent.
Neutral Density
.3 , .6 , .9
Neutral Density filters reduce the amount of light
passing through the camera lens without changing the
color of the scene. Especially useful in bright light condi-
tions to help prevent overexposure. Also allows proper
exposure at a wider lens opening for reduced depth-of-
field to highlight a key subject by making the foreground
and/or background out of focus.
❍
Eliminates overly bright, washed-out images.
❍ Balances exposure.
❍
Controls depth-of-field.
❍ Allows slower shutter speeds to produce
blurred motion effects.
15 14
Without Filter
FL-D ®
Without Filter
0
10
20
30
40
50
60
70
80
90
100
360 380 400 420 440 460 480 500 520 540 560 580 600 620 640 660 680 700
Wavelength (Nanometers)
Tr
ansmittance (%T
)
FL-B
FL-D
FL-D ® and FL-B ®
0
10
20
30
40
50
60
70
80
90
100
360 380 400 420 440 460 480 500 520 540 560 580 600 620 640 660 680 700
Wavelength (Nanometers)
Transmittance (%T)
ND.6
ND.9
ND.3
Neutral Density
FL-B
ND .9 ND .3
FL-D
©
Rob
Goldman
FL-D®
©
Jasper
Johal
ND.6
ND .6
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