Quote:
Originally Posted by dancqu  Apparently the manufacturers of film have never managed to
make film as red and or green sensitive as it is blue sensitive.
So the spectral sensitivity is balanced across a band around
2800K tungsten.
As for filtration under the canopy my only concern is image
fidelity. For example I've photos where a trail of rock and
earth is less seperable from surrounding green flora than
I judge true to the scene. Dan |
Dear Dan,
Um...
Film is inherently sensitive to blue/violet/ultraviolet. Dye sensitization extends that to green/yellow (ortho), orange/red (pan) red and even near IR (hyperpan, extended red).
Filtration allows you to differentiate and pair of reasonably different colours. This is not the same as 'being sensitized to tungsten'.
In fact, if you think about it, as tungsten is much redder than daylight, and many films are fractionally slower to tungsten than to daylight, the statement that B+W films are 'sensitized to tungsten' comes very close to sheer nonsense.
Cheers,
Roger