Unblinking Eye
Developing Times for Kodak Tech Pan

Pete Schermerhorn’s Recommendation for Kodak Tech Pan

Developer

Dilution

Time

Temperature

E. I.

HC-110

1:19

6 m

68 F

50

Comments:  I love lots of contrast.

Timothy Brown’s Recommendation for Kodak Tech Pan

Developer

Dilution

Time

Temperature

E. I.

Microphen

1:5

14 m

75 F

32

Comments:  Agitation for 5s/30s.

Bill Mitchell’s Recommendation for Kodak Tech Pan

Developer

Dilution - Part A

Dilution - Part B

Time

Temperature

E. I.

Diafine

1:50

Full Strength

3m A / 3m B

Panthermic

64

Comments: Agitate gently 5 seconds every minute.  Sharpest negatives I’ve ever seen.

Gene Crumpler’s Recommendation for Kodak Tech Pan

Developer

Dilution - Part A

Dilution - Part B

Time

Temperature

E. I.

Diafine

Full Strength

Full Strength

3m A / 45s B

Panthermic

80

Comments: I use Diafine straight as recommended by the manufacturer. Bill is trying different dilutions to reduce the timing precision needed for the B solution. The A solution development time is at least 3 minutes.  When I dump the A solution, I set my gralab to 60 seconds and when the hand hits 45, I pour in the B solution and give five inversions immediately. When the hand hits 0, I dump the B solution and immediately rinse for 10 seconds with water, then immediatly pour in Rapid fix at film strength.  The negatives are just brilliant!

Ed Buffaloe’s Recommendation for Kodak Tech Pan

Developer

Dilution

Time

Temperature

E. I.

TD-3

Full Strength

10 m

78 F

25

Comments:  I hate this film.  I've taken some absolutely perfect photographs with it, but I've lost far too many great shots because of its finicky contrast characteristics.  The best results I had were in TD-3 at EI 25, though these were contrasty negatives. 

John Hicks’ Recommendations for Kodak Tech Pan

Developer

Dilution

Time

Temperature

E. I.

Ethol TEC

1:15

5.5 m

70 F

50

Xtol

1:3

12 m

70 F

12

Rodinal

1:100

5 m

72 F

12

Burton 195

Full Strength

6 m

68 F

12

TDLC-103

Full Strength

10 m

68 F

12

C-41

Full Strength

9 m

68 F

16

Comments:  I too don't really like TP. The curve shape is weird, spectral sensitivity is a bit unnatural, it doesn't like any development or exposure variations and it really doesn't like changes in humidity. I think that for the most part limitations in camera and film-flatness precision and improper technique limit its actual image resolution to no better than a traditional-type (non-document) film such as TMX etc.

Martin Tai’s Recommendation for Kodak Tech Pan

Developer

Dilution

Time

Temperature

E. I.

Rodinal Special

1:60

15 m

20 C

32

Comments:  I get consistent results with TP for my  Minox 8x11 cameras.   I like TP better than  Agfapan APX 25.

Bill Bowes’s Recommendation for Kodak Tech Pan

Developer

Film Type

Dilution

Time

Temperature

E. I.

PMK

16mm & Minox*

1:2:250

10 m

70 F

25

PMK

135

2:4:250

12 m

70 F

25

PMK

120

2:4:450

12 m

70 F

25

Comments:  Tech Pan has driven me nuts for several months now until I hit upon this PMK-Pyro combination.  Now printing is much nicer, although it (TP) still produces some weird (not a surprise now) tonal results.  Tech Pan 120 in 450cc SS tank and reel, with a 1/4 inch X 2 inch PVC pipe spacer on the bottom of tank (keeps developer by products away from film).  135 film in 250cc tank.  The TOTAL  of Pyro in the developer must be equal for both 120 and 135-36 Tech Pan ( the surface areas being approx equal for both sizes).  Presoak for 3 minutes.  Agitation at 15 second intervals. 
* With regard to 16mm and Minox negatives,  I still use the 250cc tank, but 1A 2B  250 DI water with the 3 min pre-soak and 10 min development, with  agitation at 30 second intervals to produce the best results for these submini negs.

Additional Comments:

Patric:  If you want the sharpness and extremely fine grain of the Technical Pan film,  but don't like the way it makes red lighter and blue so dark, get a B+W 489 blue  green filter! With this filter you will get a more normal grey scale!

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