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Developing Times for Kodak T-Max 400

Lonely Boy’s Recommendation for Kodak T-Max 400

Developer

Dilution

Exposure

Time

Temperature

E.I.

T-Max

1:4

N

7 m

19 C

400

T-Max

1:4

N+2

11 m 45 s

19 C

400

Comments:   Stainless Steel Tank processing, agitation continuously in the 1st minute and every 5 seconds (inverted 5 times) at 30 second intervals.  See his website at:  http://i.am/very.lonely.

Jeff White’s Recommendation for Kodak T-Max 400

Developer

Dilution

Exposure

Time

Temperature

E.I.

T-Max RS

1:9

N-2

4 m 30 s

68 F

200

T-Max RS

1:9

N-1

7 m

68 F

320

T-Max RS

1:9

N

10 m

68 F

400

T-Max RS

1:5

N+1

8 m 45 s

68 F

400

T-Max RS

1:5

N+2

14 m

68 F

400

Comments:   The information outlined here will be for Kodak's T-Max 400 in the 4x5 film size. I develop most of my film in BTZS tubes. 
See his website for charts and details:  http://www.jeffsphotos.com/zonetmygraphs.html

Ed Buffaloe’s Recommendations for Kodak T-Max 400

Developer

Dilution

Time

Temperature

E.I.

PMK

1:2:100

12.5 m

75 F

400

PMK+

1:2:100

14 m

75 F

640

Rodinal

1:50

9.5 m

70 F

250

Rodinal

1:50

11.5 m

70 F

400

HC-110

B (1:31)

6.5 m

70 F

320

Comments:  These times are for roll films in small tanks, optimized for a diffusion enlarger.  For PMK and PMK+, agitation is for first 30 seconds, then 5 seconds each 30 seconds thereafter.  For all others, agitation is for first 30 seconds, then 10 seconds each minute thereafter.

Chris’ Recommendations for Kodak T-Max 400

Developer

Dilution

Exposure

Time

Temperature

E.I.

HC-110

1:11

N-1

6 m

68 F

200

HC-110

1:11

N

7.5 m

68 F

200

HC-110

1:11

N+1

9 m

68 F

200

HC-110

1:11

N+2

10.5 m

68 F

200

Comments: I use HC-110 diluted out to 1:11 from the stock solution. This is instead of something normal like Dil. B at 1:7. For sheets of TMY 400 I expose at 200.  I use old hard rubber tanks and hangers, with first 30 second agitation, then 5 seconds at each minute.  I suspect my plus/minus changes are not real accurate, but I have a good feeling for how much change that is in practical situations.  I use the same developer for the film in 120, but to keep measuring simpler I use it at 1:10 and cut :30 seconds off the time.

Note:  See the article on Divided D-23 for information on developing T-Max 400 in this developer.

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