|
Processing Black
& White Film
Equipment:
Film tank with cover, Reel, Film cassette opener, Scissors
Chemicals needed: Developer,
Stop Bath, Fixer, Hypo clear, wetting agent
Developer time is very
important - stop and fix can safely go longer than recommended time
1) Make
sure all chemicals are up to the same temperature
2) Measure developer temperature, determine developing time from
data sheet
Developing times for Kodak D-76 diluted 1:1
|
Film
|
65°
|
68°
|
70°
|
72°
|
75°
|
|
Kodak
Tri-X 400
|
11
|
10
|
9
1/2
|
9
|
8
|
|
Kodak
T-Max 400
|
14
1/2
|
12
1/2
|
11
|
10
|
9
|
|
Ilford
HP5 400
|
12
1/2
|
11
|
10
|
9
|
8
|
|
Ilford
Delta 400
|
15
1/2
|
14
|
12
|
11
|
10
|
|
Arista
EDU 400
|
14
1/2
|
12
1/2
|
11
|
10
|
9
|
3) Pre soak the film by filling the tank with plain water through
small opening
4) Empty pre-soak - pour in Developer - start timer
5) Cap small opening, Rap tank to dislodge bubbles, agitate gently
for 30 sec.
6) Agitate every 30 sec till completion of time (Gently turn tank
over 2 times)
7) Remove small cap on tank, empty developer
8) Fill with Stop Bath, Cap, agitate for 30 sec. Empty Stop
Bath in container to save
9) Pour in Fixer, cap, agitate continuously 30 sec. then
5 sec every minute till complete
(time varies depending on fixer and type of film T-Max takes longer to
fix)
Now it is
safe to expose film to light
Check your film for proper fixing. If there is a strong purple color,
re-fix for a few more minutes.
10) Rinse in water one
minute
11) agitate in Hypo clearing agent one minute and wash in water
for 3 minutes- or wash in water for ten minutes
12) soak in Photo-flo (wetting agent) for 30 sec. Three drops of
photo-flo in film tank of clean water.
13) Remove film from reel, drain
14) Hang to dry
15) Use light table (not dirty counter tops) to examine and cut
film.
Cut in 5 or 6 frame lengths to fit your film sleeve. Do not cut in single
frame length-
16) Store film in plastic film sleeves.
Identify your film with
your name, and date and roll number. Log film in written record.
Treat your film very carefully.
Keep it clean.
|