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  1. Re: My experience with 20th Century Camera's 5x7 reel

    I can't say whether or not your reel will hold the sheets securely enough for inversion. I'd still try it though, just to see if it is doable. Costs you a sheet of film and a liter of B&W chemistry....
  2. Re: My experience with 20th Century Camera's 5x7 reel

    Kmallick,

    One thing that stood out to me in your process description is the swizzling, which in general is a terrible agitation technique. Did you try inversion?

    I made a 4x5 insert for the...
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    Re: Plastics question for film developing

    I was able to solve the problem so it is now perfect. Film slides out like a charm.

    I’d still love to make this thing out of stainless but I doubt that will happen.
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    Re: RA-4/color darkroom printing in 2021

    I would say no. The remaining reason to do darkroom work, in my opinion, is really just that you enjoy it more than working digitally.
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    Re: Nighttime is the right time!

    Supermarket

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    Re: Plastics question for film developing

    That's a good idea, Bob. Thanks I'll try to find one locally.
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    Re: Plastics question for film developing

    Haha.

    I think maybe what I'll try is adding a texture to the channels that hold the film and see if that helps. Or perhaps even some tiny ridges in there.

    I wish stainless was a viable option....
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    Re: Plastics question for film developing

    That sounds like fun. Yes styrene can break/crack - not a good idea to bang a Paterson tank on a hard countertop the way you can with a stainless. I made the parts of this thing thick enough not to...
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    Re: Plastics question for film developing

    Yeah for roll film it's always been 100% stainless for me (Kindermann and also some Hewes reels).

    The reason I ask is that I have designed/built/tested a styrene 4x5 holder for daylight/inversion...
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    Plastics question for film developing

    Possibly dumb question here. Is there a plastic that won’t stick to film when wet? Of course it has to be suitable for photographic chemicals and useful for building things (like styrene, ABS etc.)....
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    Re: Nighttime is the right time!

    Oh - you were using slide films. They have significantly shorter exposure scales than negative films so I’m not surprised you found them unsuitable for night photography.

    In any case, don’t get me...
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    Re: Can I Keep water in a JOBO?

    And...hereís another opinion in case you didnít have enough of them already :) ...I wouldnít recommend citric acid for this. Citric acid supports the growth of all sorts of gooey life, slime etc....
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    Re: Nighttime is the right time!

    The vast majority of low light/extreme high contrast subjects will easily fit on a wide variety of films. 12+ stops easy, and more on Acros or TMY-2 which have high highlight contrast and a short...
  14. Re: Ilford Direct Positive Paper - diagnosing Dmax problem

    Is there anything different at all about how you are handling the 8x10 paper before development (loading/unloading holders etc.) or even during processing which might be fogging it?

    Are you...
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    Re: Thomas Air Compressor

    There's a round trip planned now? The last Mars trip I looked into was "Mars One" which was a one way suicide mission.

    Honestly, humans leaving Earth is the dumbest thing ever.
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    Re: Thomas Air Compressor

    Ah I’m one step ahead of you on that one - only synthetic bellows for me. :)
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    Re: Thomas Air Compressor

    Oh I don't doubt there are morons who go into the high country wearing Nikes. But surely there's a happy medium - footwear for a few hundred dollars that will do the job but only last a few years.
    ...
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    Re: Thomas Air Compressor

    My fault :) I thought Drew was crazy to keep a pair of boots for 30 years even if they are $1,000 precision-machined whatever.
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    Re: Thomas Air Compressor

    Ok I know nothing about hiking, but I have to ask why one would want to keep any kind of footwear for more than a few years, let alone 30 years. Isn’t that, you know, really gross?
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    Re: Post yer 35mm shots!

    Equivalence in 35mm Tri-X.

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    Re: dilution for highlights

    1+1 or stock
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    Re: dilution for highlights

    My opinion - I don’t think you need any compression procedures, especially for the luminance range you are describing.
  23. Re: Potentially useful LEDs for darkroom/alt applications

    Just a note of extra info for any fellow “white light” folks regarding Waveform Lighting plug-and-play stuff, based on a response I received from them. Their standard PWM dimmer operates at 25kHz.
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    Re: dilution for highlights

    Yup to me it looks like the same negative.

    In any case that's why I only made a general comment about developer dilution and contrast with ID-11. When I look at posted images it's often difficult...
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    Re: dilution for highlights

    I will make the general comment that contrary to popular belief, highlight compensation is not a given when you dilute a developer and/or decrease agitation with extended development. For this to...
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    Re: Large Format Channels on YouTube

    Just go to YouTube and type in the name.
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    Re: Kirk Tuck commenting on 4x5 video blog

    Indeed. I'm no social media expert but this thread has probably generated the only traffic that bitter ramble will ever get.

    Honestly people like this Tuck fellow are so transparent it's sad.
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    Re: Kirk Tuck commenting on 4x5 video blog

    Well, concerning social media/marketing garbage, my understanding is bloggers are basically the bottom of the barrel, even worse than youtubers.
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    Re: purpose of sheet mirror?

    Offhand all I can think of would be for ferrotyping prints, although 1/16” seems awfully thin/delicate.
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    Re: Heiland 8x10 enlarger

    Iím sure this will be excellent. Iíd prefer a 4x5 tabletop version without needless motors and splitgrade nonsense, although I guess that already effectively exists in Kienzleís lineup. However as...
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    Re: George Tice video by B&H

    Wow, what an opportunity. That must have really been something.
  32. Thread: Zone I SET

    by Michael R
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    Re: Zone I SET

    Was a contrast filter used in the light path or just plain white light?
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    Re: George Tice video by B&H

    Paterson is great, as is Paterson II.

    I’m lucky enough to own an 8x10 Petit’s Mobil Station. Mine is a later printing than the earliest 1970s versions which were quite a bit lighter. I saw one of...
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    Re: George Tice video by B&H

    He’s one of the very best.

    Have you seen the movie Seeing Beyond the Moment?
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    Re: Nighttime is the right time!

    I wish I had some better scans of prints to post, but anyway, here's an oldie example of my stuff for Audii:

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  36. Re: Potentially useful LEDs for darkroom/alt applications

    No worries, hijack away. Just started the thread for discussion so whatever direction it goes in is fine with me, especially if you end up with a solution.
  37. Re: Potentially useful LEDs for darkroom/alt applications

    Obviously CRI is not for UV. My needs would be for white light to replace my non-LED source, and I was curious to see if I could find a good LED solution. Not the usual Ra CRI. A high Re CRI with...
  38. Re: Potentially useful LEDs for darkroom/alt applications

    I don’t know enough about typical alt process wavelength ranges (UVA or UVB) and power requirements, or the efficiency/efficacy of the Nuarc lights. Someone else would have to answer.

    My first...
  39. Re: Potentially useful LEDs for darkroom/alt applications

    Sorry about that...

    https://www.waveformlighting.com/
  40. Potentially useful LEDs for darkroom/alt applications

    In the process of exploring for really good plug-and-play LEDs, I came across Waveform Lighting. Whatís good about the stuff this company sells is that they provide some of the specs you want for...
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