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  1. Exposure adjustment with a convertible lens

    Greetings all you helpful folks. I have recently acquired a Schneider Symmar 5. 6/300 lens (born in 1973. It's a so-called convertible lens and thus by removin g the rear element it converts to a...
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    Two Bath Development

    Howard, I have used diafine with tmax100 4x5. My results are so poor that I have given up for now. My problem is that I get uneven development and thus I get streaks; especially lousy in the sky!...
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    Camera Equipment and thermal stresses

    Greetings, There I was driving down the road when I saw the shot....of course I didn't have my 4x5 or 35mm cameras with me because I wasn't going out to photograph. I liv e in Boston and I don't...
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    How Long for a 'Fine Print'?

    Well, That was the BEST group of answers to a very simple question. Thanks to all and to all a Happy New Year. KB
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    How Long for a 'Fine Print'?

    Greetings, I wonder how many hours, days or weeks it can take to produce a so-called 'fine print' (Ansel Adams definition). I usually spend 3-5 hours to get it right but e ven then, it may not be...
  6. Digital -> Large negative for Contact Printing

    Hello, I have been reading about the hybrid of digital and traditional printing. The i dea, as I understand it, is that the negative is drum scanned, all cropping, dod ging, burning, etc is carried...
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    Choosing a Great Enlarger lens for 4x5

    Kevin, In response to the f-stop issue - you are right that 2 different lens such as a 50/2.8 and 135/5.6 may not (likely will not) share the same optimal f-stop re:sharpness. But, I choose f/11...
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    Choosing a Great Enlarger lens for 4x5

    Greetings, I have a Bessler 45mx enlarger outfitted with an el-nikkor 135mm f5.6 enlarging lens (age unknown, even nikon couldn't tell me the age when I gave them the seri al number). Anyhow, I did...
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    Pursing the perfect negative

    A wet negative hanging to dry will stick ANY dust in the air onto the film. I now use a 'prepared' bathroom to hang the film for drying. I turn the shower head on hot and let the bathrrom steam...
  10. Recessed Lens Board and the #$%!!#Cable Release

    As usual, the group has been very generous and quite helpful -- Thanks to all of you who contributed to the answer. Keith
  11. Recessed Lens Board and the #$%!!#Cable Release

    Greetings, I have an ancient calumet 4x5 view camera. I recently bought a recessed lens bo ard for my 90mm 6.8 rodenstock lens. Problem is.....I can't get the cable relea se to also fit into the...
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    Boston (Cambridge) Labs?

    I use Zona and have been very pleased thus far ( 1.5 years ). They are a pro lab in Cambridge and they charge for their services at a reasonable rate. Phone# 617 864 8747.
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    Steaks on 4x5 TMX Negs with Diafine

    Greetings,

    I am developing TMX 4x5 in tanks with Diafine (2 solution compensating developer ). I keep getting streaks of uneven development on my negs (the sky is too pai nful to look at!). I...
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    Ground glass protector

    I too use the calumet GG cover. Its a cheapy plastic thing but it works fine. I use it all the time since I have a new Boss Screen. Keith
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    Testing for Enlarger Lens Flare

    Greetings, I would like to rule out enlarger lens flare as a darkroom problem. Does anyone know of a way to test for how much if any flare I am getting with my current se tup. Thanks Keith
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    mount board material and fb paper curl

    Hi Nick, My fiber based prints have become a lot flatter now that I squeggee (spelling?) them dry (both sides) and dry them face down, on a drying screen. The first time I brought a print in for...
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    TMX and dilute XTOL (1:3)

    Greetings from Boston, I have been happy with 4x5 TMX in full strenght XTOL @ 20C. I would like to ext end my abilities to handle high contrast situations by using a compensating deve loper. I will...
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    Mysterious Concentric Rings on my Prints

    Thanks for the responses thus far. In order to settle the issue I went back to the darkroom. The Ilford filters are the problem. When I print with the filter the rings appear; When I print...
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    Mysterious Concentric Rings on my Prints

    The mysterious part is that I am NOT using a glass neg holder!
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    Mysterious Concentric Rings on my Prints

    Greetings, I have a curiuos problem. My prints have visible concentric rings a s part of the image. I am printing 4x5 B&W negs with an Aristo cold light, Bess ler MX enlarger, Nikon 135 mm lens,...
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    Max Black with NO color

    Hi, It Keith again... Thanks for the input so far - I have considered all of it. John asked for clarification: I do want a deep DMax, but I don't want the blue-black or green-black or...
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    Max Black with NO color

    Hi Folks, I print B&W at home and want to obtain the blackest blacks with no color tints/t ones in the image. I have tried selenium but the image took on a 'color', the i mages without selenium also...
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    Does a 90mm lens need a center filter?

    Hi, I'm considering a purchase of a 90mm lens for my 4x5. I understand that with so me wide angle lens there is sufficient light fall off at the edges that a specia l filter is used to correct for...
  24. Thread: Heresy

    by Keith Baker
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    Heresy

    I think you are mixing apples and oranges. The agfapan 25 is a much finer grained film than Tmax100. To do the comparison you would need to use agfapan 25 in sheet film(I don't know if it...
  25. Image degradation with plastic Tiffen filters?

    Hi, I'm new to LF and just acquired a used 4x5. I'm interested in obtaining a filte r system for the thing as well. My current, and only lens is a symmar-S 150/5.6 . I went to LF for a number of...
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