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  1. #11
    david b's Avatar
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    Just wanted to let everyone know that I have been shooting TX400 with great success.
    I rate it at 200 and develope it in D76 1:1 for 8 minutes. Very nice.

    Thanks.

  2. #12
    djklmnop's Avatar
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    You should not have to develop Tri-x for longer than 6.5 minutes.

    I've done densitometry testing on the film for D76, and have found that it is ISO 160 and 6.5 minutes in D76 70F 1:1

    Andy

  3. #13

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    Morning, FWIW Tusday I tested tri-x in D76 1-1 and I got an EI 200 at 11 min. 68deg
    I used a densitometer to measure the results and got a "I told you so" from the photo professors at the college. Rating the film at 400 is for the stormy overcast days.

    mark

  4. #14
    david b's Avatar
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    andy,
    is that with TX320 or TX400 ? And is that with the new version?
    My film looks fantastic. I guess I will test 6.5 minutes next time.

  5. #15
    jd callow's Avatar
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    Quote Originally Posted by db1
    andy,
    is that with TX320 or TX400 ? And is that with the new version?
    My film looks fantastic. I guess I will test 6.5 minutes next time.
    Then it probably is fantastic...

  6. #16
    djklmnop's Avatar
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    My testing is for the TX 400. But my results are merely a starting point.

    I just find that 11 minutes is a wayyy long. Even at 7.5 minutes my highlights were blown out of proportion.

    I'm shooting at ISO 160 for Zone I though. So if you're shooting at a higher ISO, your development time is bound to increase. Your shadows may night be secure but your highlights will come out fine.

    Heres an image from Tri-X with effective speed 160, and developed in D-76 1:1 70F for 6.5 minutes:


  7. #17
    david b's Avatar
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    Nice photo. I noticed that you developed it in D76 for 6.5 minutes at 70 degrees.
    What would the time be at 68 degrees?

  8. #18
    djklmnop's Avatar
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    I honestly have not tested it at 68 degrees. In sunny San Diego, it's so darn hard to get the water temperature below 75 degrees, so I did everything at 70F. In fact, I've retested all my materials and am doing everything at 75F!!!

    Sorry I couldn't be of further assistance. =\

    Andy

  9. #19
    david b's Avatar
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    I believe 6.5 @ 70 and 8 @ 68 are the same thing.

    Check the time chart on digital truth.

  10. #20
    jd callow's Avatar
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    I'm no expert but if you were to add 1/2 stop (160 + 40 ) you'd be at 9.5 min's if 8min works when rating @ 160.

    FWIW:
    I like triX in d76 or microdol -- I don't know what my times are, but I dilute 3parts h20 to 1part stock for both -- habit more than scientific -- I feel I get a smoother neg.

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