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  1. Re: Once again: streaks when developing *some* fiber based paper in Jobo 3063

    I suspect this is the answer as fiber based paper will become limp when wet, just like...a piece of paper....
  2. Re: Schneider Kreuznach Xenotar 105mm f/2.8: OK for 4x5 at close range?

    You can also estimate using (magnification +1). So if you are at 1:1 then 1+1=2; you have 2 times the coverage and one-half the angle of view. For example a typical 150mm lens at 1:1 will cover 8x10...
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    Re: Aspect ratio of 10x8 and 5x4?

    I always buy 8x10 labeled film. Once I got some 10x8 film which I will never do again. I was able to get it into my 8x10 film holders by rotating the film holders 90 degrees, and fortunately my...
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    Re: Removing film from Jobo Expert Drum 3005

    I usually grab the film in the middle with the snap I use to hang for drying. I pull straight up to get the film out of the chamber.
    196679
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    Re: calling all Durst 184 Laborators

    Thinking outside the box here, but if it had the condenser head, the negative stage could be moved higher to where the condensers are and a diffusion light source fitted. That would in effect move...
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    Re: calling all Durst 184 Laborators

    Any word on this? Did you get it to focus? Any reason to not project horizontally for the project?
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    Re: Horseman 45FA/HD/HF and 75mm lens

    I found this print from the first set of negatives exposed using my Horseman FA and a 75mm lens. I don't have the original negative at my disposal right now, but from the off-center image circle I...
  8. Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    This is NOT my enlarger, the picture is from my archive of L1840 information. This picture from a For Sale ad. I believe the picture shows that the arm for the baseboard has indeed been removed.
    ...
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    Re: Ilford multigrade contrast differences?

    I always make my test strips with paper from the same box from which I will make the final print.
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    Re: durst power supply EST 1000N

    Good news!

    The Durst circuit boards are very repairable. The component density is low and the 'through-hole' components are easy to source. Unlike almost every other electrical device made...
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    Re: calling all Durst 184 Laborators

    Seems like a lot of work for an enlarger with wheels, one that was designed to function horizontally to solve those problems.

    196232
    196233
  12. Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    From my decade of ownership of the L1840, I'd rate the items like the following. Interesting to see Drew's list of importance too, I think he has a different model.

    Failure rate for items on my...
  13. Re: How to Develop Characteristic Curves in Large Format...Cheaply

    In graduate school, before I obtained a real densitometer, I placed my samples between my spot meter and a light bulb to make the H&D curves. When I got a 'real' densitometer, the curves I made were...
  14. Re: How to Develop Characteristic Curves in Large Format...Cheaply

    In my hands, the 35mm Hp5 results match 8x10, so I don't specifically have a need to test 8x10 sheets any more. But, when first starting out in 8x10, I did cut some 8x10 sheets in to strips to fit my...
  15. Re: Flip aperture lever 180 degrees on a Copal shutter

    Without knowing the exact shutter, I think the only way to find out is to take it apart and see.
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    Re: 450mm lens with 420mm bellows draw?

    In this situation I have used an extension bellows. It addresses some of the issues mentioned above.

    195748
  17. Re: Vacuum Film Holders : Hole Diameter / Vacuum Pumps

    This shows the hole pattern on the vacuum easel I use.

    195556
  18. Re: Thousands of slides tossed in the garbage a decade ago captureó

    Thirty years from now someone will find an old USB stick drive too....Much of the imagery currently on the internet will be gone in thirty years; there is no paper record, magazines and newsletters...
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    Re: Fujinon L series

    I have a Fujinar in that focal length. I use it for enlarging. Maybe a 5B-S will come to me and I can use it on a camera.
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    Re: How was a Kodak Colorama made?

    Edited image. check again.
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    Re: How was a Kodak Colorama made?

    I did a mini version of it. The negative is projected onto a strip of paper, stretched horizontally, to some extent, as wide as one desires. Then the negative is shifted in the carrier with the...
  22. Re: Spreadsheet of Schneider Vintage Lens Data

    ...or the Angulon 210 had so little coverage...

    195312
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    Re: How was a Kodak Colorama made?

    195311
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    Re: Shen-Hao TFC810A

    Angle of view diminishes as one focuses to 'head and shoulders.' You might want to your 300mm and or 360mm before you buy a longer lens.
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    Re: Wide angle lenses for 8x10

    Tell me more. How are you measuring this. Have you published this yet?
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    Re: Wide angle lenses for 8x10

    If you are looking for a field camera lens, some 4x5 lenses may work for you if you don't mind cropping the corners. I use this inexpensive Fuji 125. I don't really 'crop' it because I usually have...
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    Re: Fujinon A 180 f9 image circle way too small!

    That 180mm Fujinon in the picture is the one with 305mm circle! Makes a great field-camera lens for 8x10.
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    Re: Fujinon A 180 f9 image circle way too small!

    If you are interested in image circle, did you hear any good things about this one???
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  29. Re: Modify Durst L-184 for 40 x 50" prints in vertical projection

    I re-read your original post. My post #3 above assumes a 40" wide print on the baseboard. Maybe there is a error somewhere but are you making 40" wide prints or 50" wide prints? As far as I know, the...
  30. Re: What size paper do you print the most? What's the biggest print you've made?

    Most of my printing is on 8x10 paper, but most of my LARGE FORMAT negatives are printed on 11x14. I'm limited to 20x24 for a single sheet, due to the size of my press and washer. I have linked...
  31. Re: Using DOF Calculations Bestly for Print Size

    Owners of 8x10 enlargers know that image degradation from stopping the camera lens too far is visible in prints. However everything is a compromise. The math has already been done so, setting...
  32. Re: Modify Durst L-184 for 40 x 50" prints in vertical projection

    Do you have the Nega205? Do you have a 10"x10" mixing box? Do you have the negative all the way at the top of the glass carrier?
    194696
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    Re: Enlarger identification please

    Yes, it is an Italian-American hybrid of these two enlargers. I can't post the PDFs but they are available on the internet.

    194667
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    Re: durst power supply EST 1000N

    He indicated it is 'very old' but not the case. This is not 400V tube equipment. This is a switched mode PMW power supply. The main DC power supply filter cap is only 40V.
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    Re: ? use of Oscilloscope lenses in LF?

    I'd just get a macro lens if interested in creating oscilloscope art.
    https://i0.wp.com/makezine.com/wp-content/uploads/2015/06/oscopeGlith_Thumb1.jpg?resize=1200%2C670&strip=all&ssl=1
  36. Re: Definitive LED / Incandescent enlarger light bulb replacement thread

    194259
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    Re: Having trouble to get right exposure

    If it is black and white film, one would expose the shadows so they have 'just a hint' of detail in the negative. You can spend your lifetime calibrating your system such to know apriori what...
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    Re: Apo-Componon HM optimisation range

    I don't know if "Schneider don't provides this information" as it was suggest. But, if you were some how able to view the information on your computer, it you will see the best performance (HM 45mm)...
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    Re: 150mm WA lens for 8x10 recommendations

    Maybe something like this:
    193972
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    Re: Advice re tmax film developer for 45

    I never had any issue with dichroic fog when using Tmax (non RS) with Tmax 4x5 film. It is my favorite combination for rotary processing in an Expert Drum at 24C. The concentrate stores well and is...
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