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  1. Replies
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    Re: Hypo clear?

    Neil,

    According to the label on Kodak's Hypo Clearing Agent, the stock solution lasts three months in a tightly-stoppered bottle (working solution life is 24 hours in a tray).

    As for Perma...
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    Re: Hypo clear?

    Most of the formulas I've collected weigh in at about 20g sodium sulfite per liter of working solution wash aid.

    My spoon recipe calls for one level Tablespoon of sulfite per liter, which weighs...
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    Re: Hypo clear?

    Even Kodak Hypo Clearing Agent in working dilution will develop bacterial/fungal "slime" after a time. The best practice is to mix what you need for one batch/session and discard it after the...
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    Re: Pyrocat-HD Part A precipitate

    I don't use Pyrocat, so I can't help specifically, but common causes of precipitates in such solutions are:

    Not using distilled water. If the solution is close to a saturated one, distilled water...
  5. Re: 5x4 processing marks. Wetting agent?

    I've been squeegeeing my sheet film using my index and middle finger for 30+ years and have never had streaks and marks. Being gentle is the key, along with mixing the wetting agent correctly. Of...
  6. Re: Is there a free site that will host your images in their original full resolution

    High resolution is lost on most computer monitors. For viewing, even on a large, high-quality monitor, you don't need any more resolution than the monitor can resolve. So, unless you want people to...
  7. Re: 5x4 processing marks. Wetting agent?

    There's your problem. And I concur with your diagnosis in the first post: wetting agent residue.

    I know a lot of people say to not touch the film after the final bath in wetting agent, but (and...
  8. Re: Is there a free site that will host your images in their original full resolution

    Why do you want to post your full-resolution images on the Internet for anyone who wants them to steal them and use them for whatever purpose they want? The incidence of people pirating images for...
  9. Re: Washing Anti-Halation Backing on HP5

    Neil,

    As far as I know, the anti-halation backing is water soluble, meaning that the wash should do the job. With all the films I use, the anti-halation dyes come off completely in the pre-soak. ...
  10. Re: Should I get a center filter for my 65mm Nikon-SW f/4 & 90mm Sinaron-W f/6.8?

    Short answer: If you shoot transparencies, definitely yes. It'll save a lot of headaches, time and probably money down the road.

    If you're shooting negative film, well, then, maybe. With color...
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    Re: 4 x 5 Contact Printing Question

    Ian,

    What you describe is making a "proper proof," i.e., with the film rebate printed and minimum exposure to make maximum black. This is useful for proofing, since it gives you lots of info...
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    Re: Chemistry (again) use after time

    10 weeks is a long time to store a working solution of a developer. Or, are you referring to a stock solution and, if so, which developer? Some have very long shelf-lives as a stock solution, some...
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    Re: Mat Size vs. Mount Size

    What Vaughn, Drew, Merg and others here do is exactly what I do. Print borders are important to me, so are trimmed to exactly where I want them. IM-HO, the bottom mat board, to which the print is dry...
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    Re: Mat Size vs. Mount Size

    I buy my mat boards pre-cut, so no worries about waste (except for the window cut-outs...).

    I like 14x18-inch boards for 8x10 and smaller prints as well as panorama prints in the 5x12-inch range....
  15. Re: Fujinion W f5.6 210mm fuzzy at wide open

    A lot of things could be wrong. If you bought the lens used, it may have a front or rear group that's been swapped out with another lens (even one of a different focal length...). It could have been...
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    Re: The Uncanny Tale of Shimmel Zohar

    The whole thing is a fantasy invention. Zohar exists only as a fictional character. His quirky biography, photography, studio and subjects are all part of the fantasy-novel-in-reality invented by...
  17. Re: Looking for a count up timer for use with film development

    Not so imprecise... I can easily count seconds, without a metronome, up to 5 minutes or more and miss by only a few; an error in the 1-2% range. I do this with long exposures all the time, since it's...
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    Re: The Uncanny Tale of Shimmel Zohar

    Mr. Berkman isn't a hoaxer. This is a consummate combination between conceptual art, photography, and literature, all mysteriously and flawlessly crafted to create a surreal and whimsical whole that...
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    Re: What COC is best with a 4x5?

    My approach is similar, but from the opposite direction. My subject and lens choice dictate what f-stop I need to get everything I want within the limits of depth of field. For me, depth of field...
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    Re: Re-using BW Chemicals

    The trouble is that once you've developed two sheets in your developer, you've both weakened it some and oxidized it some (plus added some bromide) so that the same developing time will not work for...
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    Re: What COC is best with a 4x5?

    Alan,

    There really isn't one standard CoC for all applications. What you might desire and what you end up using are also two very different things, which are dependent on the desired depth of...
  22. Re: Focal length, distance, and depth-of-field: clarification?

    Philip,

    I must apologize for sending you down this rabbit hole to begin with. It was likely my less-than-clear post on another thread that started this whole questioning.

    To clarify, I did...
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    Re: Cut Out Cards aka Viewing Mask

    My viewing tool of choice is the good old Zone VI viewing filter. I use it less for the filtration (the Wratten #90, which is supposed to render tones in a similar way to b&w film) and more as a...
  24. Re: Need help with lens board for Chamonix 45-n2

    The Chamonix takes Technika-style boards, which are available in the original from Linhof and from several other after-market manufacturers, including Wista, Gaoersi and others (including lots of...
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    Re: DOF and diffraction

    IM-HO, depth of field trumps diffraction degradation every time. If I need to stop down to f/45, like you did, then I just plan on not printing large. I've found that I can get a...
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    Re: How does rear tilt affect front tilt?

    Yeah, it's not hard, just a lot. Separating the steps helps. Practice just focusing the camera without messing with movements first. Then practice applying the movements without bothering about...
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    Re: How does rear tilt affect front tilt?

    Not 100% exactly, although you're basically correct. The far reference point for the tilt is close to "A," but likely more toward the near corner; anyway, whichever tall thing is closest. For "B"...
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    Re: How does rear tilt affect front tilt?

    Alan,

    I described how I'd set up, apply movements and focus for your image in post #49 already, so I won't repeat all that here.

    About choosing reference points for applying tilts and swings: ...
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    Re: How does rear tilt affect front tilt?

    Heroique,

    Nice to see you posting again!

    If I had been AA, I'd have swung to get the plane of sharp focus across the building fašade, then found near/far and focused. But, there are more than...
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    Re: How does rear tilt affect front tilt?

    I don't have a primer, per se, for asymmetrical tilts/swings, but I'll "talk" you through it here. It's really pretty simple.

    Of course, you need to decide where you want to place your plane of...
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    Re: How does rear tilt affect front tilt?

    Alan,

    You're stuck in a rut about focusing here... Clear your mind of preconceptions and consider the following.

    Applying tilt and swing is NOT focusing. Yes you're checking if things come...
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    Re: How does rear tilt affect front tilt?

    Yep, I was thinking of the image with the fence and barn, which benefits greatly from the DoF that a short lens provides. Sorry for any confusion.

    Doremus
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    Re: Where to buy mat board these days?

    I've bought Bainbridge Alpharag board in pre-cut sizes from Redimat, 1-877-883-1011, redimat.com. They are in Santa Rosa, CA.

    I buy 11x14, 16x20 and 22x28-inch sizes usually, pre-cut (I don't...
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    Re: Help me

    Michele,

    The Intrepid web site states, "The light source fits to the back of the Intrepid 4x5 (or most other 4x5 cameras) and attaches using the Graflok clips."

    If your camera has a Graflok...
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    Re: How does rear tilt affect front tilt?

    Well, here's what I would do (a bit different approach than Vaughn and Kiwi).

    Since it's a building, I'd want the verticals parallel, so I'd set up the camera with the back level and check the...
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    Re: How does rear tilt affect front tilt?

    Alan,

    You've posted a perfect example of a scene in which movements won't give you any advantage at all (except for maybe the slight bit of tilt that gets the low jutting post end and the top of...
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    Re: Diffusion v Condenser v LED

    The Heiland LED light source is a diffusion source. It may be brighter/more efficient/give you better contrast control than the 45S head, but they are fundamentally the same as far as rendering of...
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    Re: How does rear tilt affect front tilt?

    Here's the pdf. Hope it helps.

    As far as tilt with verticals in the scene goes, it's often better to just stop down. The only amount of tilt you can ever get in a scene is the tilt that gets the...
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    Re: Crud on negatives

    The non-emulsion side is coated too... I had problems with some films deteriorating on the non-emulsion side in the past, notably BPF200. Lots of irregularities and small blisters.

    Doremus
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    Re: Leaf Shutter High Speed

    Robert's comment about aperture size is quite relevant here. At a fast shutter speed where the opening/closing of the leaf shutter takes so much of the total "open time," the efficiency will be...
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