FILTERS FOR BLA CK & WHITE IMA GING - Abacus Diagnostics, Inc.
FILTERS FOR BLA CK & WHITE IMA GING - Abacus Diagnostics, Inc.
FILTERS FOR BLA CK & WHITE IMA GING - Abacus Diagnostics, Inc.
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www.tiffen.com<br />
Special Filters & Lenses<br />
SPECIAL EFFECTS<br />
+1 CU<br />
+2 CU +4 CU<br />
Hot Mirror 87<br />
Close Up Lens Set<br />
The easy-to-use solution for getting extra close.<br />
Each lens maintains resolution and picture clarity while<br />
maximizing image size. Use lenses individually or in<br />
combination for maximum effect.<br />
No Filter<br />
Close Up +1<br />
Close Up +2<br />
SPECIALTY <strong>FILTERS</strong><br />
Hot Mirror<br />
Some digital still cameras can have increased<br />
sensitivity to infrared light that may cause color<br />
rendition problems. The Tiffen standard Hot Mirror is<br />
designed to remedy this problem by reflecting most<br />
infrared light.<br />
Infrared Filters<br />
Various filters are used to reduce unwanted visible light.<br />
Total visible light absorption, transmitting only infrared,<br />
can be useful. Prior testing is recommended.<br />
Close Up +7<br />
© Roger J. Waindle<br />
Close Up +4<br />
87<br />
For black and white infrared film only; no visible transmission.<br />
Transmittance (%T)<br />
100<br />
Infrared 87<br />
90<br />
80<br />
70<br />
Infrared 87<br />
60<br />
50<br />
40<br />
30<br />
20<br />
10<br />
0<br />
600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000<br />
Wavelength (Nanometers)<br />
87 Infrared<br />
© Michael Greer<br />
20<br />
21
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