#altprocess — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #altprocess, aggregated by home.social.
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It's packaging time... archival parchment pouches, book binder's cardboard, linen tape, acid-free stickers.
(This is a print made for @pyrenaicus. For my own images, you'd also get a certificate of authenticity included...)
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It's packaging time... archival parchment pouches, book binder's cardboard, linen tape, acid-free stickers.
(This is a print made for @pyrenaicus. For my own images, you'd also get a certificate of authenticity included...)
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It's packaging time... archival parchment pouches, book binder's cardboard, linen tape, acid-free stickers.
(This is a print made for @pyrenaicus. For my own images, you'd also get a certificate of authenticity included...)
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It's packaging time... archival parchment pouches, book binder's cardboard, linen tape, acid-free stickers.
(This is a print made for @pyrenaicus. For my own images, you'd also get a certificate of authenticity included...)
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It's packaging time... archival parchment pouches, book binder's cardboard, linen tape, acid-free stickers.
(This is a print made for @pyrenaicus. For my own images, you'd also get a certificate of authenticity included...)
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The saga continues... and the new tone curve is now almost perfect too! 🤩 Kallitype has such small value ranges for both dark shadows and (even more so) in the upper highlights, so it's quite tricky trying to retain as much detail as possible in bright low-contrast situations. To retain more fine control, also chemically, I've started experimenting with 4x weaker/diluted contrast agent, which allows me to vary the number of drops mixed in and thus avoiding (to some extent) having to re-print expensive negatives for just tiny changes to highlights.
(Image credit and cc/ @pyrenaicus)
#AltProcess #Kallitype #Darkroom #PrintMaking #FineArt #LandscapePhotography
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The saga continues... and the new tone curve is now almost perfect too! 🤩 Kallitype has such small value ranges for both dark shadows and (even more so) in the upper highlights, so it's quite tricky trying to retain as much detail as possible in bright low-contrast situations. To retain more fine control, also chemically, I've started experimenting with 4x weaker/diluted contrast agent, which allows me to vary the number of drops mixed in and thus avoiding (to some extent) having to re-print expensive negatives for just tiny changes to highlights.
(Image credit and cc/ @pyrenaicus)
#AltProcess #Kallitype #Darkroom #PrintMaking #FineArt #LandscapePhotography
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The saga continues... and the new tone curve is now almost perfect too! 🤩 Kallitype has such small value ranges for both dark shadows and (even more so) in the upper highlights, so it's quite tricky trying to retain as much detail as possible in bright low-contrast situations. To retain more fine control, also chemically, I've started experimenting with 4x weaker/diluted contrast agent, which allows me to vary the number of drops mixed in and thus avoiding (to some extent) having to re-print expensive negatives for just tiny changes to highlights.
(Image credit and cc/ @pyrenaicus)
#AltProcess #Kallitype #Darkroom #PrintMaking #FineArt #LandscapePhotography
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The saga continues... and the new tone curve is now almost perfect too! 🤩 Kallitype has such small value ranges for both dark shadows and (even more so) in the upper highlights, so it's quite tricky trying to retain as much detail as possible in bright low-contrast situations. To retain more fine control, also chemically, I've started experimenting with 4x weaker/diluted contrast agent, which allows me to vary the number of drops mixed in and thus avoiding (to some extent) having to re-print expensive negatives for just tiny changes to highlights.
(Image credit and cc/ @pyrenaicus)
#AltProcess #Kallitype #Darkroom #PrintMaking #FineArt #LandscapePhotography
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The saga continues... and the new tone curve is now almost perfect too! 🤩 Kallitype has such small value ranges for both dark shadows and (even more so) in the upper highlights, so it's quite tricky trying to retain as much detail as possible in bright low-contrast situations. To retain more fine control, also chemically, I've started experimenting with 4x weaker/diluted contrast agent, which allows me to vary the number of drops mixed in and thus avoiding (to some extent) having to re-print expensive negatives for just tiny changes to highlights.
(Image credit and cc/ @pyrenaicus)
#AltProcess #Kallitype #Darkroom #PrintMaking #FineArt #LandscapePhotography
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The quest for the perfect print is ongoing...
(Doing a print swap with @pyrenaicus and this wonderful image is one of his and I want to give it my best! So over the past 2 weeks I've been going through different variations, whilst also updating and re-calibrating my workflow, curves & equipment... still some more to try out!)
#AltProcess #Kallitype #Darkroom #PrintMaking #LandscapePhotography #Monochrome #Pyrenees #Mountains
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The quest for the perfect print is ongoing...
(Doing a print swap with @pyrenaicus and this wonderful image is one of his and I want to give it my best! So over the past 2 weeks I've been going through different variations, whilst also updating and re-calibrating my workflow, curves & equipment... still some more to try out!)
#AltProcess #Kallitype #Darkroom #PrintMaking #LandscapePhotography #Monochrome #Pyrenees #Mountains
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The quest for the perfect print is ongoing...
(Doing a print swap with @pyrenaicus and this wonderful image is one of his and I want to give it my best! So over the past 2 weeks I've been going through different variations, whilst also updating and re-calibrating my workflow, curves & equipment... still some more to try out!)
#AltProcess #Kallitype #Darkroom #PrintMaking #LandscapePhotography #Monochrome #Pyrenees #Mountains
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The quest for the perfect print is ongoing...
(Doing a print swap with @pyrenaicus and this wonderful image is one of his and I want to give it my best! So over the past 2 weeks I've been going through different variations, whilst also updating and re-calibrating my workflow, curves & equipment... still some more to try out!)
#AltProcess #Kallitype #Darkroom #PrintMaking #LandscapePhotography #Monochrome #Pyrenees #Mountains
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The quest for the perfect print is ongoing...
(Doing a print swap with @pyrenaicus and this wonderful image is one of his and I want to give it my best! So over the past 2 weeks I've been going through different variations, whilst also updating and re-calibrating my workflow, curves & equipment... still some more to try out!)
#AltProcess #Kallitype #Darkroom #PrintMaking #LandscapePhotography #Monochrome #Pyrenees #Mountains
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@thereisnocat Do you know the wavelength of your UV light? If your lows aren't getting dark enough in such a long time, it might indicate your UV light's wavelength isn't optimal. 365nm is supposedly best, but I found it harder to find decent options. So mine are 385nm (40W) and 395nm (200W) and the corresponding exposure times and distances are only: ~1:45min (4 inch) and ~2:40min (16-20 inch). For the latter, I initially also used a sheet of paper to diffuse the light more (for larger prints), but that extended the exposure time to ~17mins for not any noticeable difference...
(Btw. This is all for kallitype, but should equally apply for salt)
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Solarization: Most digital photographers only know the effect as Photoshop filter, but here it's happening chemically in the darkroom... Created by extreme overexposure (here ~3x longer of my usual exposure time), the darkest parts of the image have become inverted, which in Kallitype then (temporarily) turns into these amazing orange tones, whilst the mids & highlights remain normal neutral grays, depending on developer used... During fixing and (especially) toning, the orange would then revert back into a more or less uniform dark brown and the effect disappears again, replaced by the classic overexposed look... Aesthetically though, the early & in-between stages are the most unique and interesting...
#AltProcess #Kallitype #Solarization #AnalogPhotography #Texture #Darkroom #DarkroomPrint
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Solarization: Most digital photographers only know the effect as Photoshop filter, but here it's happening chemically in the darkroom... Created by extreme overexposure (here ~3x longer of my usual exposure time), the darkest parts of the image have become inverted, which in Kallitype then (temporarily) turns into these amazing orange tones, whilst the mids & highlights remain normal neutral grays, depending on developer used... During fixing and (especially) toning, the orange would then revert back into a more or less uniform dark brown and the effect disappears again, replaced by the classic overexposed look... Aesthetically though, the early & in-between stages are the most unique and interesting...
#AltProcess #Kallitype #Solarization #AnalogPhotography #Texture #Darkroom #DarkroomPrint
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Solarization: Most digital photographers only know the effect as Photoshop filter, but here it's happening chemically in the darkroom... Created by extreme overexposure (here ~3x longer of my usual exposure time), the darkest parts of the image have become inverted, which in Kallitype then (temporarily) turns into these amazing orange tones, whilst the mids & highlights remain normal neutral grays, depending on developer used... During fixing and (especially) toning, the orange would then revert back into a more or less uniform dark brown and the effect disappears again, replaced by the classic overexposed look... Aesthetically though, the early & in-between stages are the most unique and interesting...
#AltProcess #Kallitype #Solarization #AnalogPhotography #Texture #Darkroom #DarkroomPrint
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Solarization: Most digital photographers only know the effect as Photoshop filter, but here it's happening chemically in the darkroom... Created by extreme overexposure (here ~3x longer of my usual exposure time), the darkest parts of the image have become inverted, which in Kallitype then (temporarily) turns into these amazing orange tones, whilst the mids & highlights remain normal neutral grays, depending on developer used... During fixing and (especially) toning, the orange would then revert back into a more or less uniform dark brown and the effect disappears again, replaced by the classic overexposed look... Aesthetically though, the early & in-between stages are the most unique and interesting...
#AltProcess #Kallitype #Solarization #AnalogPhotography #Texture #Darkroom #DarkroomPrint
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Solarization: Most digital photographers only know the effect as Photoshop filter, but here it's happening chemically in the darkroom... Created by extreme overexposure (here ~3x longer of my usual exposure time), the darkest parts of the image have become inverted, which in Kallitype then (temporarily) turns into these amazing orange tones, whilst the mids & highlights remain normal neutral grays, depending on developer used... During fixing and (especially) toning, the orange would then revert back into a more or less uniform dark brown and the effect disappears again, replaced by the classic overexposed look... Aesthetically though, the early & in-between stages are the most unique and interesting...
#AltProcess #Kallitype #Solarization #AnalogPhotography #Texture #Darkroom #DarkroomPrint
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Update, and third time's a charm... Smoother, sharper, better range and much less graininess. Actually can clearly make out the summit cross (maybe not in this phone pic and downsized JPG version)... 🤩
#Kallitype #AltProcess #AnalogPhotography #Darkroom #DarkroomPrint #PrintMaking
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The experiments, process adjustments and elimination of environmental factors shall continue until the desired results are obtained (and morale improves again... 😅)
Also, Kallitype chemistry is a wondrous/finicky beast and reproduction requires strict discipline, cleanliness and detailed log keeping of pretty much any aspect... The main difference between these two prints is that the red one involved spraying/misting the paper with distilled water 15 mins prior to coating the emulsion... Almost looks like there was some contamination (i.e. tap water residue) in the spray head...
The bottom one is very close to what I'm after in terms of tones and also shows that my overall process is now pretty reproducible (if I just stick to it!).
For more info about the actual photo, look here:
https://mastodon.thi.ng/@toxi/116374321194947028(cc/ @netpraxis - it's getting there...)
#Kallitype #AltProcess #AnalogPhotography #Darkroom #DarkroomPrint #PrintMaking
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CALENDAR EVENT! Closing midnight 31st of March - your own timezone
Cyanotypes can be coloured in many ways, some are; combining cyanotypes and lumens, toning, printing 3 colours or hand-colouring. 4 stunning examples by:➥ Caroline Roberts
➥ Gülsen Göksel
➥ Jo Howell
➥ Ruchita Madhok👉 https://www.alternativephotography.com/calendar-event-colour/
#cyanotype #cyanolumen #toning #handcolouring #altprocess #alternativeprocesses
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CALENDAR EVENT! Closing midnight 31st of March - your own timezone
Cyanotypes can be coloured in many ways, some are; combining cyanotypes and lumens, toning, printing 3 colours or hand-colouring. 4 stunning examples by:➥ Caroline Roberts
➥ Gülsen Göksel
➥ Jo Howell
➥ Ruchita Madhok👉 https://www.alternativephotography.com/calendar-event-colour/
#cyanotype #cyanolumen #toning #handcolouring #altprocess #alternativeprocesses
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LAST DAY (closing midnight your own timezone) - CALENDAR EVENT!
Hand-colouring and toning #cyanotypes are ways to introduce more colours into the print. 4 stunning examples by:➥ Janelle Lorenzen
➥ Janet Fine
➥ Josie Purcell
➥ Jude Kaye👉 https://www.alternativephotography.com/calendar-event-colour/
#cyanotype #toning #handcolouring #altprocess #alternativeprocesses
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LAST DAY (closing midnight your own timezone) - CALENDAR EVENT!
Hand-colouring and toning #cyanotypes are ways to introduce more colours into the print. 4 stunning examples by:➥ Janelle Lorenzen
➥ Janet Fine
➥ Josie Purcell
➥ Jude Kaye👉 https://www.alternativephotography.com/calendar-event-colour/
#cyanotype #toning #handcolouring #altprocess #alternativeprocesses
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LAST DAY (closing midnight your own timezone) - CALENDAR EVENT!
Hand-colouring and toning #cyanotypes are ways to introduce more colours into the print. 4 stunning examples by:➥ Janelle Lorenzen
➥ Janet Fine
➥ Josie Purcell
➥ Jude Kaye👉 https://www.alternativephotography.com/calendar-event-colour/
#cyanotype #toning #handcolouring #altprocess #alternativeprocesses
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LAST DAY (closing midnight your own timezone) - CALENDAR EVENT!
Hand-colouring and toning #cyanotypes are ways to introduce more colours into the print. 4 stunning examples by:➥ Janelle Lorenzen
➥ Janet Fine
➥ Josie Purcell
➥ Jude Kaye👉 https://www.alternativephotography.com/calendar-event-colour/
#cyanotype #toning #handcolouring #altprocess #alternativeprocesses
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Started creating browser-based calculators for quickly computing a bunch of recurring things in darkroom processing, so far:
Scale amount by area:
Given reference dimensions and amount, compute scaled amount needed for new target dimensions.
Example: Compute drops of emulsion needed for a new print sizeTwo-part solution ratio:
For a total volume of a two-part solution with a A:B target mix ratio, compute how many units are needed of both A and B.
Example: For N drops in total, compute how many drops are needed for A & B using a 1.2:1 target ratioSolution addition:
Compute the amount of solution A (with given concentration) to add to another volume to achieve a certain target concentration (for solution A)
Example: How many extra drops of a 25% contrast agent solution are needed to achieve a 5% solution with a certain base emulsion volumeMore calculators forthcoming... Feel free to ping me with any other useful formulas you'd like to have added...
Bookmark this on your phone:
https://demo.thi.ng/umbrella/darkroom-calc/(The UI is responsive to the system's dark mode setting)
Source code:
https://codeberg.org/thi.ng/umbrella/src/branch/develop/examples/darkroom-calc/Btw. This is https://thi.ng/umbrella example project #186 and relies mostly on these packages:
- https://thi.ng/rdom & https://thi.ng/rstream for reactive UI & computation
- https://thi.ng/rdom-forms for reactive form element abstraction/creation#ThingUmbrella #AltProcess #Darkroom #DarkroomPrint #AnalogPhotography #Calculator #Reactive #UI #TypeScript
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Do you want to make better negatives? Constanza Isaza Martínez introduces the Time & Exposure Scale Calculator, to simplify the task of determining correct exposure times. Free to use:
👉 https://www.alternativephotography.com/exposure-time-calculator-stouffer/ -
My #AltProcess #Kallitype development/printmaking journey is already showing strong parallels to my software dev experience, i.e. a preference for avoiding monolithic frameworks and building more granular, reliable, understandable & controllable tooling myself, and get much better & more predictable results (as a result)...
In darkroom terms, using a "framework" here would be an off-the-shelf kit/set of premixed chemicals, which I found has only ever produced rather lackluster outcomes for me, even after a lot of systematic experimentation (within the narrow confines of what these frameworks/kits allow, i.e. mostly limited to adjusting the duration of the various processing steps). Now that I've been preparing the (almost) full set of my own solutions (incl. partial solutions as "building blocks") over the past months, I can already much better control the overall process and have full access to tweak concentrations and use additional ingredients to refine hue, tone, contrast etc.
I think there's a lesson/pattern somewhere in there...It also feels like yet another example of bottom-up design to build up a larger creation process (and results) from smaller parts...
Below is one of the latest trial prints (plus its untoned test sheet). Very happy about where this is going...
#Photography #SoftwareDev #Frameworks #BottomUp #BlackAndWhite #FineArt
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A silent scenery in four acts...
(Selenium-toned[1] 4x6 salt print (still in final wash) plus previous work-in-progress stages... see alt text for details)
The picture/motif itself is one of my personal favorites and was taken 4 years ago in the Alpstein massif, when clouds were spontaneously forming around us, creating a wonderful light/scene/drama and a dear memory... now also as print which likely will/can outlast myself
[1] The tones will become more neutral once dry...
#SilentSunday #LandscapePhotography #Photography #BlackAndWhite #NoirCountry #Alpstein #Mountains #Darkroom #SaltPrint #AltProcess
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A UV Light for Cyanotypes; a blog post on choosing and testing a UV light for exposing cyanotypes as part of an alt-photographic process.
https://astburysadventures.blogspot.com/2025/02/a-uv-light-for-cyanotypes.html