Manual processing

Question 1

Requires

Answer 1

A clean dark room or dark box and process is technique sensitive

Question 2

Equipment should be

Answer 2

Well serviced + timers, heaters, thermometers must be used

Question 3

Safe light

Answer 3

A filtered light in the dark room with a bulb no more than 15 watts so operator can see what they are doing + protect the film

Question 4

Outside the room

Answer 4

There should be a warning light to indicate processing taking place + lockable door to prevent intrusion as light contamination will render the film useless

Question 5

The process-

Answer 5

1. Sensitised film is taken to dark room and temp of developer / processing time checked + calculated

Question 6

2

Answer 6

Film is unwrapped + placed on hanger + immersed into developer tank, timer is set for required time

Question 7

3

Answer 7

Once timer sounds, remove from developer * immerse in water tank, agitating slightly for 10-30 secs then remove

Question 8

4

Answer 8

Place fixer for double development time (light can be turned on at this stage)

Question 9

5

Answer 9

Remove + place in tank with slow running water to wash chemicals off of film
Hang in a cool dust free area to dry and then mount + label

Question 10

Rules for chemical temperatures are:

Answer 10

20c for 5 mins then increase or decrease time by 1/2 a minute to ever 1c different
E.g 18c is 6 mins
The higher the temp of developer, the less time required