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  1. Re: Aspherical, Apo(chromatic) & ED (extra low dispersion) lenses - whats the differe

    Ya'll need to be careful... One or two responses almost contained useful information not wrapped up in dogmatic hyperbole. :)

    To the OP:

    "apochromatic" is a term which is supposed to...
  2. Re: Techniques/Procedure for front tilt and focusing

    Fred Newman put out a video on camera movements several years ago, and it's one of the best I've seen: https://www.youtube.com/watch?v=0JU-eHpk97Y

    His recommendation is to focus on the near, tilt...
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    Re: Certificate Expired

    Also, since this site by and large doesn't handle "confidential" data, it might be worth modifying the HSTS policy to be a little less draconian.

    I understand the "strict enforcement of SSL", but...
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    Re: post "Something Dead"

    So maybe it should be posted to "Still Life"...?

    Florida joke:

    Q: "Why did the chicken cross the road?"

    A: "To prove to the opossum and armadillo it could be done."
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    Re: Chamonix vs. Xxxxx?

    Don't worry about it too much-- it's an unusual issue for a specific model of camera that for basic use, shouldn't be a problem. IF you have a heavy lens, and IF you have the base board angled...
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    Re: Help with Carl Zeiss lens please!

    There's a list of Compur serial numbers here: http://camera-wiki.org/wiki/Compur_serial_numbers

    According to this list, 715688 is 1925'ish. The shutter serial number should be on the outside...
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    Re: Large Format Landscapes

    Do a regular package update if you haven't recently. I tend to forget not everyone running linux knows linux. :)
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    Re: Large Format Landscapes

    Which browser? I'm on Linux (KDE desktop under Manjaro) with Chromium browser, and they show up fine. Just checked firefox as well.

    You might want to see if you have an update pending for any...
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    Re: Large scans on a student budget?

    You didn't specify color or black and white.

    I would check out the Raleno PLV-S192-- it's an inexpensive LED panel designed as a fill-light, but it works well (and is pretty commonly used) for...
  10. Thread: Kodak D76 Recall

    by grat
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    Re: Kodak D76 Recall

    FYI, the replacement pack held up fine. Although I didn't let it sit around as long-- I "repackaged" into a vacuum sealed bag.
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    Re: Chamonix vs. Xxxxx?

    45N-1 (Classic) owner here. It's very well made, well designed, beautifully built. The only real complaint is that the front standard has to be taken down and put up when you use it-- but that's...
  12. Re: Scanning overexposed B&W 4x5 negatives with SilverFast...

    I overexposed a shot by.... a lot. I'm guessing about 9-10 stops. When I pulled it out of the fixer, I thought I'd screwed up the development, but the other two negatives were fine.

    Was able to...
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    Re: Intrepid/Rodenstock question

    It's not the lens. Focused to infinity, you'll usually be at 150mm between the central point of the lens assembly and the film plane. The closer you get, the more distance between the film plane...
  14. Thread: Anyone use a hat?

    by grat
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    Re: Anyone use a hat?

    Rushing doesn't mean skipping steps in your process. It just means proceeding at a deliberate speed. If it's bright and you need such a shade, attach it before you compose / check focus.

    Every...
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    Re: Gowlandflex question

    I admit total ignorance of all things Gowland... but are both the ground glasses oriented the same? ie, frosted side towards the lens (or not) on both assemblies?
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    Re: Scanning resolution

    Silverfast SE Plus and higher (available at a discount for Epson v800/v850 owners) have the multi-exposure option available which theoretically extends the dynamic range of the final image.

    At...
  17. Re: Please help evaluate what happened on this test neg with new Chamonix F2

    As others have said-- you're using practically no rise (in fact, you're using a bit of fall) on the front standard. Level the base, set front and rear to 90, and raise just the front standard. A...
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    Re: Dev problem or light leak?

    Well, that describes a light leak pretty well, and one related to the back of the camera (since that's the part that changes for landscape). The fact that it's consistent across the entire negative...
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    Poll: Re: Another Comparison of the Howtek VS V850

    I had to find the quote that backed up what the random synapses were trying to tell me:



    Vuescan is probably doing this with the RAW data from the scanner, but a resample using bilinear...
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    Re: Dev problem or light leak?

    It shouldn't matter, but you are loading the reel with the emulsion facing inwards, and the back of the negative up against the arms?
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    Poll: Re: Another Comparison of the Howtek VS V850

    I honestly don't know myself. I've been doing various tests, trying to reduce the number of variables, but I've lacked *ahem*... focus. :)

    Personally, the variables for me are holder height...
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    Poll: Re: Another Comparison of the Howtek VS V850

    I'd seen Daniel's project before, but not yours. I'm taking a shortcut by using one of the cheap chinese CNC kits and re-purposing it.
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    Poll: Re: Another Comparison of the Howtek VS V850

    How'd it work out?
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    Poll: Re: Another Comparison of the Howtek VS V850

    Personally, the 30D, while only 8mp, and "feature limited", still produces some great images. The dynamic range is a bit less, and you'll never produce a massive print from it, but for up to 4k...
  25. Re: Centre filters for UWA lens - rear element instead of front

    If you want a truly ridiculous question, why can't you take the equivalent of a "flat" image using lens "X" (ie, evenly lit diffuse exposure), which should show the falloff fairly well, load that...
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    Poll: Re: Another Comparison of the Howtek VS V850

    True, in all regards. However, the v800/850 holders are still "stepped"-- 5 steps instead of 2 (and an irritating tendency to shift when I'm loading film), but the screw-type adjuster on the (for...
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    Poll: Re: Another Comparison of the Howtek VS V850

    My mistake-- I had it in my head it was taped to the inside of the drum, and I was confused. :)

    Pulling the mylar tight on a flat mounting surface produces no downward force-- pulling it tight on...
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    Poll: Re: Another Comparison of the Howtek VS V850

    Indeed. They appear to be fairly "deep" in their design, limiting the amount of side-scatter. I confess to not knowing much about PMT sensors-- but I would suspect a modern, monochrome only...
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    Poll: Re: Another Comparison of the Howtek VS V850

    Sorry, Steve, but I have to disagree with the highlighted statement.

    Both use an analog light source to capture quantities of light in sensors which then perform analog-to-digital conversions,...
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    Re: What did you compose at Waters Edge?

    Nice photos, but depressing-- my parents owned a Morgan Out Island for several years. For a moment, I thought it was our former boat, but then I realized it was a ketch (and a bit bigger). Must...
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    Poll: Re: Another Comparison of the Howtek VS V850

    I'd suggest down-sampling the 4000 to 3200, instead of up-scaling the 3200 to 4000-- It's easier to throw information away than create it via interpolation.

    Also, don't label one as 4000 and one...
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    Re: My Howtek HiResolve8000 got tough with me

    Be glad they're friendly to you. Most opioid painkillers are totally useless for me, as I lack the enzyme to activate them.

    Good luck and a speedy recovery.
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    Re: Suggestions for LF field camera

    As far as I know, all the Chamonix cameras have graflok compatible backs. It's nice to have the option. I use a 120 film holder with mine.
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    Re: Suggestions for LF field camera

    He did say "non-extreme" macro. You can reach 1:1 with a 180mm lens on the Chamonix (Draw is 395, which is bonkers for such a small camera-- extending it to 510 is possible, but I think you might...
  35. Re: Camera scanning on the cheap -- an example approach

    I've been touting Darktable as an option recently, since they added their 'negadoctor' plugin.

    So first, https://www.darktable.org/ is an open source package that started as an alternative to...
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    Re: The betterscanning.com business status thread

    I sent an email recently, and have heard nothing.

    :(
  37. Re: film holders vs film hangers vs film carriers vs ... ?

    About 10 minutes after it discovers social media.

    *rimshot*

    ... I would say after it's been developed, but I'm an amateur. Or an armature, if I'm using auto-correct.
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    Re: Is this Bromide Drag? Help!

    Respect for the pun. Personally, I'm relatively new to doing my own development. Being a nitwit, I leapt into 4x5 and 120, B&W and color, all within the space of... about two weeks. I like the...
  39. Re: Any thoughts as to source of light leak based on this picture?

    Light leak in the SP445 isn't too likely, as long as you've got both light blocking strips in place.

    Which way was the negative in the holder?
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    Re: Ground glass questions

    I haven't had that issue, but my particular loupe has a rounded edge that I keep clean. I thought you meant you had scratched up the ground glass itself (which is on the far side of the sandwich...
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