Processing the Image Flashcards
This should be light-tight, 6x8 ft, kept at 68*F, 40-60% humidity
Dark room
What type of bins should film be stored in? How should they be stored?
Metal, light-tight bins
Vertical
Filters out light that harms film
Usually dark red
Safelight
What is the safe wattage for a safelight?
15 or less
How far away should the safe light be from the work area?
> 4 ft
This type of safelight shines over the work area
Direct
This type of safelight shines facing the ceiling
Indirect
Used to ID film
Photo imprinter
Pencil, scratching, sharpies, and adhesive tape identifiers are all
temporary
How long does manual processing take?
1 hr
How long does automatic processing take?
90 sec per film
Alkaline environment of phenidone and hydroquinone
Converts silver halide to black on a film
Developer
If a film spends too much time in the developer
crystals that shouldn’t be converted will convert and cause film fog
Strong acidic environment of ammonium thiosulfate
Washes away unexposed silver halide crystals
Fixer
What happens if the film swims too long in the fixer?
Milky, pink radiograph
Discoloration
Preserves the film’s archival quality
Washing and Drying
Drying removes
85-95% moisture
With manual processing, how long should the film stay in the developer?
4 mins
How long should the film stay in the fixer?
8 min
How long should the film be washed?
12 mins
The ______ the chemical, the faster it develops
warmer
5 systems of the automatic processor
- Transport
- Replenishment
- Recirculation
- Thermostats
- Silver recovery
The chemicals in the automatic processor are kept at
97*F
Transport artifact where the marks are darker than surrounding emulsion
Plus density