The Journal — Kolorshifthttps://kolorshift.app/journal/?lang=enWhy do photographs have these colours? Explore light, perception, colour profiles, grain, halation and film history, with diagrams and sources.enColour is not just in the pixel: how our eyes construct ithttps://kolorshift.app/journal/voir-couleurs-oeil-cerveau/?lang=enhttps://kolorshift.app/journal/voir-couleurs-oeil-cerveau/?lang=enCones, context, constancy and colour vision differences: why identical RGB values do not always create the same impression of colour.Understanding Why the same colour changes under different lighthttps://kolorshift.app/journal/couleur-lumiere-balance-blancs/?lang=enhttps://kolorshift.app/journal/couleur-lumiere-balance-blancs/?lang=enLight spectra, metamerism and white balance: understand why skin, clothing or a print can change colour with the lighting.Understanding Why your photograph changes colour from one screen to anotherhttps://kolorshift.app/journal/profils-couleur-srgb-display-p3/?lang=enhttps://kolorshift.app/journal/profils-couleur-srgb-display-p3/?lang=ensRGB, Display P3, ICC profiles and export: understand what changes a photograph’s colours between editor, browser and screen.Understanding Film: light becomes matter.https://kolorshift.app/journal/comment-fonctionne-pellicule-argentique/?lang=enhttps://kolorshift.app/journal/comment-fonctionne-pellicule-argentique/?lang=enHow an emulsion records light, how development reveals the image and how photographic film is manufactured.Film A lens is more than glass.https://kolorshift.app/journal/comment-fabrique-objectif-photo/?lang=enhttps://kolorshift.app/journal/comment-fabrique-objectif-photo/?lang=enFrom optical glass and polishing to coatings and assembly: the steps and compromises that shape a photographic lens.Optics Kodak: how photography entered everyday lifehttps://kolorshift.app/journal/histoire-kodak-photographie/?lang=enhttps://kolorshift.app/journal/histoire-kodak-photographie/?lang=enFrom dry plates to the Brownie and colour film: a history of materials, laboratories and everyday photography.Histories Fujifilm: a history of materials, colour and photographic useshttps://kolorshift.app/journal/histoire-fujifilm-pellicule/?lang=enhttps://kolorshift.app/journal/histoire-fujifilm-pellicule/?lang=enFrom the industrial project of 1934 to QuickSnap, Velvia and instax: understanding distinct film families.Histories How 35 mm became a photographic formathttps://kolorshift.app/journal/naissance-format-35mm/?lang=enhttps://kolorshift.app/journal/naissance-format-35mm/?lang=enFrom Edison and Dickson’s cinema to Barnack, the Leica I and the 135 cassette: a material history of small-format photography.Histories Polaroid: how a photograph learned to appear immediatelyhttps://kolorshift.app/journal/histoire-photo-instantanee-polaroid/?lang=enhttps://kolorshift.app/journal/histoire-photo-instantanee-polaroid/?lang=enFrom the Model 95 to the SX-70: image transfer, integral film and the distinctive act of instant photography.Histories Developing your first black-and-white film, step by stephttps://kolorshift.app/journal/developper-pellicule-noir-et-blanc/?lang=enhttps://kolorshift.app/journal/developper-pellicule-noir-et-blanc/?lang=enTank, reel, developer and fixer: understand every stage of film processing without relying on a universal recipe.In the darkroom Colour negative and slide film: two paths to colourhttps://kolorshift.app/journal/couleur-argentique-c41-diapositive/?lang=enhttps://kolorshift.app/journal/couleur-argentique-c41-diapositive/?lang=enUnderstand dye images, the orange mask and the differences between C-41, E-6 and RA-4 colour printing.Understanding Film grain: what you see and what the emulsion makeshttps://kolorshift.app/journal/grain-argentique-emulsion/?lang=enhttps://kolorshift.app/journal/grain-argentique-emulsion/?lang=enLight-sensitive crystals, developed silver, dyes and enlargement: understand grain without treating it as a simple defect.Understanding Inside the darkroom: making a silver-gelatin printhttps://kolorshift.app/journal/chambre-noire-tirage-argentique/?lang=enhttps://kolorshift.app/journal/chambre-noire-tirage-argentique/?lang=enEnlargers, paper, test strips, dodging, burning and washing: understand every stage of black-and-white printing.In the darkroom Halation: why bright lights spill across filmhttps://kolorshift.app/journal/halation-argentique-halos-lumineux/?lang=enhttps://kolorshift.app/journal/halation-argentique-halos-lumineux/?lang=enReflected light, anti-halation layers and red halos: understand remjet, AHU and the differences between film halation and optical glow.Understanding Glow and bloom: where do soft highlights come from?https://kolorshift.app/journal/glow-bloom-diffusion-lumiere/?lang=enhttps://kolorshift.app/journal/glow-bloom-diffusion-lumiere/?lang=enDiffusion, contrast, flare and focus: understand why lights seem to radiate and how to control the effect without losing the subject.Understanding