2 part 3

safelight illumination distance

safe light illumination wattage

filters out intensity and energy

filters out red, orange, yellow colors
for monochromatic film

amber filter appearance

filters only the intensity, for monochromatic film or blue sensitive film

filters out intensity and color (yellow and orange)

for orthochromatic film (blue and green)
multi purpose filter

if kodak gbx 2 filter is not available, _ may be used, check for light fogging

types of safelight

fixture type safelight
light is distributed directly
most common in hospital

ceiling type safelight
light goes up first, then reflected

indirect safelight bulb

indirect safelight distance

safelight test occurs

greater than 0.05 OD

used to check safelight

dakroom can be adjacent to exposure room only if:
concrete:
hollow blocks:
wood:

pertaining to cleanliness;uncluttered counter top

hypersensitivity to fumes