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Tag: darkroom

  • Enlarger Based Perspective Correction

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    Dave Krueger
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    Perspective Correction in the Darkroom This article defines perspective control in photography and how perspective corrections can be applied in the darkroom. What is Perspective Control in Photography One of the features of large format photography as far back as the 19th century, is the ease with which the vertical lines of buildings included in…

  • Darkroom Tour

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    Dave Krueger
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    While testing my recently acquired Hasselblad 501CM, I shot some pictures of my darkroom using the 40mm lens. The shots were hand held on TMax 100, so the depth of field was not great due to wide aperture, but it was as good a subject as any for test shots. This article simply puts those…

  • The Perfect Paper Safe

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    Dave Krueger
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    My darkroom paper safe has, for decades, been a small DIY wood cabinet with some shelves inside. I have never trusted it to be light tight, so I kept all the paper and test strips stored inside in black plastic envelopes like the ones paper and film are packaged in. The hinged door was held…

  • Photo Paper: Long Term Storage

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    Dave Krueger
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    Why I Did It? When Kodak stopped producing black and white photographic printing papers, I became sensitized to the potential for my favorite papers to suddenly disappear. With Kodak papers gone, I tested other papers and settled on Ilford. But, what if Ilford stops making printing papers? The idea of stockpiling photographic materials that have…

  • Orange “OC” Safelights Are As Rare as Unicorns

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    Dave Krueger
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    The Availability of High Quality Affordable OC Safelights is Dwindling If you’ve done any safelight shopping these days, you’ve probably noticed that new OC colored darkroom safelights aren’t as plentiful as they once were. Lights with red filters seem to be much more common, but the orange ones are easier on the eyes and make…

  • What’s up with Kodak Alaris photo products?

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    Dave Krueger
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    Back in January 2020, I bought two one gallon packages of Kodak Dektol.  I noticed the new Dektol was packaged in poly bags rather than the original foil layered packaging that we’re all used to.  When I tried to mix it up a few months later, it was as as brown as coffee.   I opened a…

  • Never Ending Enlarger Re-Alignment

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    Dave Krueger
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    Most articles that talk about enlarger alignment tell you how to do it, but don’t explain how it can be a never ending battle.  For me and my two Omega D5s, the mechanisms that throw my enlarger out of alignment are drop-away baseboard tabletops and different negative carriers. Quick enlarger re-alignment tweaks take less time…

  • Laser Enlarger Alignment

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    Dave Krueger
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    If you’ve been involved in darkroom photography very long, you already know that corner-to-corner sharpness of a print made using an enlarger requires a properly aligned enlarger.  That simply means that the negative, lens board, and baseboard are all parallel to each other.  Tools are available to help verify and adjust the alignment of your…

  • DIY Omega D5 Focus Extension Lever

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    Dave Krueger
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    Have you ever made a big enlargement where the enlarger head was so far above the base board it was impossible or too awkward to reach the enlarger focusing knob while looking through the grain focuser?  I have and decided to find a way to make it easier with a DIY focus extension lever. There…

  • Adding fans to Omega DV Condenser Lamp House

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    Dave Krueger
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    Background In my last article, I conducted some temperature tests using the 250W PH213 lamp in the Omega DV Condenser lamphouse.  Omega offered a blower for the DV lamphouse that permitted use of 250W bulb. The Omega part number is 412-020.  I’ve never seen one, but it is listed on the KBH Photografix website. As expected, with…