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Ilford Safe-light filters
Ilford No |
Name |
Wratten |
Colour | Use | |
(equivalent) |
|||||
SL1 |
|
Orange |
Blue sensitive materials, including Multigrade, Ilfospeed, Galerie and also photolettering fiIm and paper. |
||
900
|
BR |
1 |
Bright red | Very slow Orthochromatic materials. Lith-type. | |
902
|
S |
OC |
Light brown | As SLI above | |
903
|
Infra Red |
7 |
Yellow green | Infra-red, absorbs Infra red completely |
|
904
|
F |
6b |
Dark-brown | Fast, blue sensitive materials such as Iine film and electron microscopic film and some photographic papers. |
|
905
|
|
Olive green | Xray material | ||
906
|
ISO |
2 |
Dark "Ruby" red | Orthochromatic materials and recording materials. | |
907
|
G |
3 |
Dark green | Very slow panchromatic materials. | |
908
|
GB |
10, 10H |
Very dark green | All panchromatic materials, colour papers and ILFOCHROME. Although designed for the maximum possible efficiency, this safelight must be used with extreme care. Fast panchromatic materials must not be exposed to direct light from this filter for any appreciable length of time. | |
909
|
Bright Green |
12 |
Green | Desensitised Panchromatic materials | |
910 |
VS2 |
Orange | Contact paper, Reflex Document Contact Paper, Contact Lantern Plates and other very slow blue-sensitive materials | ||
914
|
NX |
|
Sepia | X-ray films | |
915
|
|
Light red | Orthochromatic materials such as graphic arts materials |
||
916
|
|
Green | Red sensitive holographic plates | ||
917
|
|
Infra red | For use with infra-red image transmitting intensifiers |
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