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  1. #1
    mikewhi's Avatar
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    Need Duplicating film in 5x7 format

    Hi:

    Does anyone know of any film like Ilford Ortho in 5x7 size? I am currently cutting down 8x10 to 5x7, but would like to get it in 5x7.

    Also, does anyone here use Ilford Ortho much? I have rather contrasty negatives that I want to make an interpositive for. I need the interpositive to be of much lower contrast. I have done some experimentation, but could use some advice. I have ordered some ID-11 and will try more dilute solutions and lower development times, but some good advice would save time and money.

    My original negatives are of a contrast range of about 1.25. I need to get the interepositive down quite a bit.

    Thanks.

    -Mike

  2. #2

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    mike

    check out the stuff that photowarehouse.biz sells. they might have what you need. they also sell single step duplicating film - if you contact a negative and still have a negative. it is as slow as azo and you can work with a safelight and paper developer. since kodak stopped making it ( i think they called it (SO-132?) ... it one of the only places that still sells it and its cheap! ( at about 1/4 what kodak charged)

  3. #3

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    As I understand you, you seem to be wanting to produce a contrast reduction mask for your negatives. The material that I have used is APHS film from Freestyle Photographic. It comes in 5X7 size and is orthochromatic. Additionally, as John has indicated a similar material is available from Photowarehouse.

    My records indicate an exposure time on unsharp masks of appr 16-22 seconds at F8 with my Saunders 4550 VCCE enlarger with the head at 8X10 enlargement projection. Keeping in mind that this will vary with original negative density and the fact that I use Duratrans diffusion film as the means to produce the unsharpness in the mask. The density of that material would need to be factored into the exposure time if one wanted to produce a sharp contrast reducing mask instead.

    I have used dilute Dektol 1-30 for producing low contrast and low density unsharp masks. I have used Dektol 1-10 for producing shadow enhancement masks.

    Good luck.

  4. #4
    DrPhil's Avatar
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    Maco Genius film is another choice. JandC carries it. Not sure if it available in 5x7.

    Bostick and Sullivan also carry the Bergerr stuff. It's called BPF18 I think. It was available in 5x7.

    The genius and Bergerr stuff has a thicker base than the ilford and aphs ortho film.
    Facts are facts; however, perception is reality.

  5. #5

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    Quote Originally Posted by mikewhi
    Hi:

    Does anyone know of any film like Ilford Ortho in 5x7 size? I am currently cutting down 8x10 to 5x7, but would like to get it in 5x7.

    Also, does anyone here use Ilford Ortho much? I have rather contrasty n

    -Mike
    Mike,

    This may be your lucky day. I have a 50-sheet box of 5X7" Kodak Pan Masking Film, #4570, that was specially made for your application. It is long outdated but has been stored in a freezer from the time I purchased it, as I store all of my film. I opened the box some years ago and used a few sheets of the film but I am fairly certain that there are around forty sheets left in the box.

    If interested the box is yours for $20 plus shipping.

    Sandy



 

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