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  1. Replies
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    Re: Best Way to clean Ground glass.

    Windex is entirely appropriate. Windex won't attack glass or plastic. Lots of rubbing and scrubbing will scratch things up - so a cleaner that really works and minimizes cleaning abrasion is the...
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    Re: X Ray fixer question

    Fixer has a high markup. The cheapest is to buy 50lb/25kg bags of S. Thiosulfate crystals. Cost from China is ~$0.25/kg for small orders. $0.10/kg if you buy by the tonne. Shipping extra, suggest...
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    Re: Camera for Africa trip

    How about a Speed/Crown graphic. It appears to tick all your boxes.
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    Re: Selecting Paper

    I would advise sticking with RC until you can get prints you like. Note that RC paper is available in warm-tone.

    When starting out most of the prints you make will go in the trash. Not using...
  5. Re: Digital Proof Sheets for 5x4 and medium format nagative film?

    My experience with digital proofs is that it is a PITA compared to the traditional darkroom method.

    It doesn't take much of a darkroom to make proof sheets: a few trays, a red led Christmas light...
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    Re: Shooting expired Tri-x 6years old ?

    There is also the financial side: 250 sheets @ $4/sheet = $1,000. Worth salvaging, if you can.
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    Re: Shooting expired Tri-x 6years old ?

    Try a few sheets and see what happens. Only you can be the judge. 15 minutes of your time and you will have the definitive answer.
  8. Thread: Hello!

    by nolindan
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    Re: Hello!

    Now, get thee an enlarger and a wet darkroom.

    With a high-end scanner and a high-end printer it is possible get good-to-passable results. But the meanest of darkroom gear, taking less time and...
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    Re: Upcoming 2024 April 8 Total Eclipse

    I'm going to be in the back yard, Cleveland is right in the path. Problem is, the chance of overcast skies is ~50%, Cleveland is no sunshine capitol.

    If I were to take pictures it would be of...
  10. Re: Some trillion cicadas will appear in April for 1st time in 200+ years

    The Ohio population of 17yr cicadas came out a few years ago. It was underwhelming, nothing like the past emergences.

    Insects in general have vanished. When I was young (50's & early 60's) if...
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    Re: tripods and quality

    I had a Star-D Tiltall that served for some years. Then the aluminum castings making up the tilt-head cracked in several places and it was retired.

    I have several Gitzos, a Benbo and a Reis (from...
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    Re: How Did YOU Learn WET Photography?

    I was 8 and my camera was an "Empire Baby." I read A Boy's First Book of Photography, or something of that ilk, taken out from the children's section of the library. I bought a Tri-Chem pack at the...
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    Re: life of photo flo

    I find isopropanol (isopropyl alcohol) helps with sheeting the water off the film.

    I make up a stock solution of 13ml PhotoFlo 600 (40ml of PhotoFlo 200) in 1 liter of isopropanol. This gets...
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    Re: Actual zone system

    If the meter is the problem in cold weather then fresh batteries may fix things - just like an old car battery can't crank the engine when it is cold. Ditto cold lubricants in the camera can stiffen...
  15. Re: Taking that first jump, and wanting some reasoning behind this video

    Interesting result. Normally light output increases with lamp temperature - viz the time it takes a fluorescent or cfl lamp to come up to full light output as it warms up.

    Having had an Aristo...
  16. Re: Taking that first jump, and wanting some reasoning behind this video

    Paper exhibits no intrinsic intermittency effects -

    http://www.darkroomautomation.com/support/appnotereciprocityandintermittency.pdf

    Compensating for lamp warm-up time (I'm sure there is...
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    Re: rabbit hole of F stop printing

    Well, an f-stop timer will do all the calculations for you.

    Base time can be determined with an f-stop enlarging meter - some are separate and some are integrated with the timer.
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    Re: ultrafine multigrade filter set

    Enlarging meters work the same with RC or FB - there is no difference.
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    Re: ultrafine multigrade filter set

    Well.... I have to differ.

    Both emulsions have the same contrast. Each emulsion contributes to half of the print's density. By controlling the relative exposure of the blue and green sensitive...
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    Re: Dektol staining of resin paper???

    Border staining can be due to active developer in the print emulsion reacting with the dissolved silver in the fixing bath.

    If this is indeed the cause of the staining then using acid stop bath...
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    Re: Beginners Camera!

    > Mike Rosenberg
    > http://www.mprosenberg.com

    A very impressive body of work.
  22. Re: Using Rosco sheets in place of Wratten gel filters?

    I'm as much of a sharpness geek as anyone. I make 20x24's from 35mm negatives and examine the corners of the prints with a 10x jeweler's loupe. APO lenses for 4x5 and the enlarger. Even as I argue...
  23. Re: Using Rosco sheets in place of Wratten gel filters?

    I use Rosco filters when I want something 'odd' - say Cyan. Optically they are very good, certainly overkill for lighting. I use them in a (don't quite know what to call it - fold down?) 3x3" gel...
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    Re: 90mm Lens Choice Paralysis

    As a 90mm will require a dropped bed in combination with rise and back tilt to get the lens close to the the film; or a recessed lens board and around-the-bend shutter release, also a PITA, you might...
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    Re: What to Print - How do you edit your photos?

    Print whatever grabs you. If nothing grabs you then don't print - instead put everything away for a cold rainy day, take the contacts out and see if you are now attracted to an image.
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    Re: Anti-rotation Screw Size

    You can use a screw with a 'drum' shaped head. Two common types are filister head and socket head screws. The threads on the shutter are probably metric but there is no shame in re-tapping the...
  27. Thread: The AI thread

    by nolindan
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    Re: What's going to become of photography?

    At least with the tag 'Artiste,' you don't get suspected of taking school portraits for a living.
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    Re: FB Printing Papers and Curling

    In the days of huge gas-fired Pako driers the problem of wavy prints didn't arise. I'm sure they have long since ended up in scrap yards.

    The only solution for really flat prints that I know of...
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    Re: FB Printing Papers and Curling

    You might think so, but ... A study was made taking 'core samples' of landfills and it was found that after 40 years or so everything had rotted down - except for the phone books. It seems the paper...
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    Re: FB Printing Papers and Curling

    Try very lightly dampening the back of the print with a sponge, then slip it into a large telephone directory with another directory on top for weight.

    Now the problem is to find a couple of large...
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    Re: Pentax Zone V completely off

    For such disparate methods I would say the results are spot-on. Take some test shots and see if its all good now.
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    Re: Nikon 300mm F9 M

    That is going to limit how close you can get.

    Magnification Ratio = Extension Length / Focal Length = 50/300 = 1/6.

    So at closest focus your subject frame would be (4x5") * 6 = 24 x 30", or a...
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    Re: Wheelchair LF Photography

    You can do hand-held LF photography with a Speed/Crown/Century Graphic. It makes the tripod issue moot. If the camera is hand-held it is easy to just turn the camera around to set the shutter and...
  34. Re: Frederick Sommer's Technique And Technical Choices

    The film developer is the least important part of the image chain.

    Subject, point of view, timing, lighting, and to some extent printing, count for something. As does a skill in arraigning...
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    Re: I have a web presence, therefore I am.

    In the old days for you to am, something else had to watch. In my book a photon hitting something counts as a 'watch'.

    I guess we have farmed out the watching of ourselves to Internet Service...
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    Re: Shutter Cleaning DIY /

    I agree. Erring on the side of the angels (in the "fools rush in where angels fear to tread" sense) is always a safe bet. Less interesting maybe, but safer.
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    Re: Shutter Cleaning DIY /

    Obviously this will not get the shutter working in the OP's case where the shutter blades are covered with oil - exercising the shutter will probably make things worse.
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    Re: Shutter Cleaning DIY /

    Nobody is claiming the "flush it and see if that fixes it" method is any sort of miracle. It is a quick and dirty method that often gets things working again.

    But I have a box of flushed shutters...
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    Re: Shutter Cleaning DIY /

    There are lots of guides to shutter repair that show where to apply a homeopathic drop of oil or smear of grease (stay away from the mustard). A YouTube video is more than adequate. It's not open...
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    Re: Shutter Cleaning DIY /

    I don't know if this is praise by faint damnation or damnation by faint praise.

    How could I disimprove on my advice ... Hmmm, treat a shutter like a fine watch? ......
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